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cyan · cool

#c5e4eb

a light, vivid cyan · cool · closest name: Light Blue

Token name suggestion: Meadow Lagoon

RGB
197, 228, 235
HSL
191°, 49%, 85%
CMYK
16, 3, 0, 8
Luminance
0.7336

#c5e4eb is a light vivid cyan, 191° on the wheel and 92/100 on the cool side. Put black text on it (15.67:1). As text it scores 1.34:1 on white — use #317E8F instead. Nearest name is Light Blue, nearest Tailwind family is cyan.

hsl(191 49% 85%)rgb(197 228 235)Base step 200AAA inkCool

At a glance

Every number on this page in one read: what #c5e4eb is made of, how bright it looks, and which way it leans.

Hex
#c5e4eb
Hue
191°
cyan
Saturation
49%
vivid
Lightness
85%
light
Brightness
92%
HSV value
Perceived
86%
weighted brightness
Luminance
0.7336
WCAG relative
Temperature
Cool
92/100 cool
Color family
Cyan
Tone
Vivid
Best ink
Black
15.67:1
Closest name
Light Blue
ΔE2000 4.6
Chroma
11.1
LCH, 0–130ish
OKLCH L
0.898
perceptual lightness
Tailwind
cyan
500 · ΔE 19.5
Web-safe
#CCCCFF
nearest of 216
Where it sits
Hue191° of 360°
Saturation49%
Lightness85%
Saturation × lightness field

Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #c5e4eb.

Temperature
Warm ← → Cool92% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Luminance by channel
Red16%
Green76%
Blue8%

Green carries most of what the eye calls brightness — that is why WCAG weights it 0.7152.

Every format

HEX#c5e4eb
HEX (8-digit)#c5e4ebff
RGBrgb(197, 228, 235)
RGBArgba(197, 228, 235, 1)
HSLhsl(191, 49%, 85%)
HSV / HSBhsv(191, 16%, 92%)
HWBhwb(191 77% 8%)
CMYKcmyk(16%, 3%, 0%, 8%)
LABlab(88.6 -8.7 -6.8)
LCHlch(88.6 11.1 218.1)
OKLCHoklch(0.898 0.034 212.9)
XYZ (D65)xyz(65.76, 73.35, 89.28)
Decimal12969195
Display P3color(display-p3 0.773 0.894 0.922)
Web-safe#CCCCFF

Copy-ready code

every platformclick to select
/* CSS */
color: #c5e4eb;
background-color: #c5e4eb;
/* CSS custom property */
--brand: #c5e4eb;
/* Tailwind (arbitrary) */
class="text-[#c5e4eb] bg-[#c5e4eb]"
/* SCSS */
$brand: #c5e4eb;
/* SwiftUI */
Color(red: 0.773, green: 0.894, blue: 0.922)
/* UIKit */
UIColor(red: 0.773, green: 0.894, blue: 0.922, alpha: 1)
/* Android XML */
<color name="brand">#C5E4EB</color>
/* Android Compose */
Color(0xFFC5E4EB)
/* Flutter */
Color(0xFFC5E4EB)
/* Python / OpenCV (BGR) */
(235, 228, 197)
/* Python / PIL (RGB) */
(197, 228, 235)
/* Java AWT */
new Color(197, 228, 235)
/* .NET */
Color.FromArgb(255, 197, 228, 235)
/* OpenGL / Unity (0–1) */
(0.7725f, 0.8941f, 0.9216f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{197,228,235}
modern cssclick to select
/* mix without leaving CSS */
background: color-mix(in oklab, #c5e4eb 85%, white);
border-color: color-mix(in oklab, #c5e4eb 40%, transparent);
/* theme-aware in one line */
color: light-dark(#21535F, #D3E9EE);
/* relative colour syntax */
--hover: hsl(from #c5e4eb h s calc(l - 7));

Design tokens

The same ramp in the four formats a team actually needs. Paste one and the whole palette lands with it.

css custom propertiesclick to select
:root {
  --brand-50: #F4F9FA;
  --brand-100: #EAF3F6;
  --brand-200: #c5e4eb;
  --brand-300: #ACD8E2;
  --brand-400: #82C5D4;
  --brand-500: #58B1C5;
  --brand-600: #3FA0B6;
  --brand-700: #348598;
  --brand-800: #2A6B79;
  --brand-900: #224E59;
  --brand-950: #153137;
  --brand: #c5e4eb;
  --brand-ink: #000000;
  --brand-surface: #F4F9FA;
  --brand-border: #C2E3EA;
  --brand-hover: #AAD8E2;
  --brand-pressed: #90CBD9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand-surface: #142124;
    --brand-ink: #D3E9EE;
  }
}
tailwind.config.jsclick to select
theme: {
  extend: {
    colors: {
      brand: {
        50: '#F4F9FA',
        100: '#EAF3F6',
        200: '#c5e4eb',
        300: '#ACD8E2',
        400: '#82C5D4',
        500: '#58B1C5',
        600: '#3FA0B6',
        700: '#348598',
        800: '#2A6B79',
        900: '#224E59',
        950: '#153137',
        DEFAULT: '#c5e4eb',
      },
    },
  },
}
scss mapclick to select
$brand: (
  '50': #F4F9FA,
  '100': #EAF3F6,
  '200': #c5e4eb,
  '300': #ACD8E2,
  '400': #82C5D4,
  '500': #58B1C5,
  '600': #3FA0B6,
  '700': #348598,
  '800': #2A6B79,
  '900': #224E59,
  '950': #153137,
);
$brand-base: #c5e4eb;
$brand-ink: #000000;

@function brand($step) { @return map-get($brand, $step); }
w3c design tokens (json)click to select
{
  "color": {
    "brand": {
      "50": { "$value": "#F4F9FA", "$type": "color" },
      "100": { "$value": "#EAF3F6", "$type": "color" },
      "200": { "$value": "#c5e4eb", "$type": "color" },
      "300": { "$value": "#ACD8E2", "$type": "color" },
      "400": { "$value": "#82C5D4", "$type": "color" },
      "500": { "$value": "#58B1C5", "$type": "color" },
      "600": { "$value": "#3FA0B6", "$type": "color" },
      "700": { "$value": "#348598", "$type": "color" },
      "800": { "$value": "#2A6B79", "$type": "color" },
      "900": { "$value": "#224E59", "$type": "color" },
      "950": { "$value": "#153137", "$type": "color" }
    },
    "brandInk": { "$value": "#000000", "$type": "color" }
  }
}

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#000000 on #c5e4eb · 15.67:1
Use #000000AAA at every size.
Aa
12px
Aa
16px
Aa
24px
Aa
White text · 1.34:1
AA fail · AA large fail · AAA fail
Aa
Black text · 15.67:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #c5e4eb as text scores 1.34:1 on white and 15.67:1 on black.
Best tinted ink on it, if plain black or white feels flat: #21535F at 6.35:1.

Make it accessible

A contrast checker tells you that you failed. This tells you what to ship instead — same hue, same saturation, lightness moved only as far as WCAG demands.

The quick fox
#317E8F · 4.65:1
AA on white−47% L
#317E8F
The quick fox
#26606D · 7.06:1
AAA on white−56% L
#26606D
The quick fox
#c5e4eb · 15.67:1
AA on blackalready passes
#c5e4eb
The quick fox
#c5e4eb · 15.67:1
AAA on blackalready passes
#c5e4eb

Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #3E9FB5 is enough for headings on white. Non-text elements such as icons, chart strokes and focus rings also sit at 3:1 under WCAG 2.2 (1.4.11).

Accessibility — WCAG contrast

Aa
#c5e4eb on white: 1.34:1
AA ✗ fail · AA-large · AAA
Aa
#c5e4eb on black: 15.67:1
AA ✓ pass · AA-large · AAA
Against the neutral ladder

Contrast is symmetric, so each row covers both directions: #c5e4eb as text on that neutral, and that neutral as text on #c5e4eb.

NeutralRatioBoth directions
White1.34:1AaAa
Slate 501.28:1AaAa
Slate 1001.22:1AaAa
Slate 2001.09:1AaAa
Slate 3001.11:1AaAa
Slate 4001.91:1AaAa
Slate 5003.55:1AaAa
Slate 6005.65:1AaAa
Slate 7007.73:1AaAa
Slate 80010.92:1AaAa
Slate 90013.32:1AaAa
Black15.67:1AaAa
Colour vision deficiency
true color
protanopia · #DEE1EB
deuteranopia · #D8DCEB
tritanopia · #BAE7E6

Roughly one man in twelve has some form of colour vision deficiency. If any of the three panels above is hard to tell apart from a neighbouring colour in your palette, add a shape, an icon or a label so the meaning does not rest on hue alone.

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #c5e4eb is pinned to step 200; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F4F9FA
#EAF3F6
#c5e4eb
#ACD8E2
#82C5D4
#58B1C5
#3FA0B6
#348598
#2A6B79
#224E59
#153137
Base = 200Lightest = 50 · #F4F9FADarkest = 950 · #153137Text step on white = 800
Perceptual ramp — OKLCH

The same eleven steps expressed in OKLCH, where equal lightness numbers actually look equally spaced. HSL ramps go muddy in the yellows and washed out in the blues; this one does not. Modern browsers render it natively — the hex ramp above is the fallback.

50100200300400500600700800900950
oklch tokensclick to select
:root {
  --brand-50: oklch(0.97 0.009 212.9);
  --brand-100: oklch(0.94 0.014 212.9);
  --brand-200: oklch(0.88 0.020 212.9);
  --brand-300: oklch(0.80 0.027 212.9);
  --brand-400: oklch(0.72 0.031 212.9);
  --brand-500: oklch(0.64 0.034 212.9);
  --brand-600: oklch(0.56 0.034 212.9);
  --brand-700: oklch(0.48 0.032 212.9);
  --brand-800: oklch(0.40 0.029 212.9);
  --brand-900: oklch(0.32 0.024 212.9);
  --brand-950: oklch(0.24 0.019 212.9);
}

Colors that work with #c5e4eb

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#000000
Black wins here
Surface#F4F9FA
Tinted page background
Border#C2E3EA
Hairlines and dividers
Muted text#4B8C9B
Captions on the surface
Accent#9D2F37
Second voice, not a rival
Dark variant#21535F
Hover, pressed, headers
Light variant#ECF6F8
Selected rows, tints
Dark surface#142124
Dark-mode background
Hover#AAD8E2
One step down in lightness
Pressed#90CBD9
Two steps down
Disabled#F3F6F7
Chroma pulled out
Focus ring#D1EDF3
Offset from the fill so it reads
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

In real components

The same eight roles, wired into the interface patterns you will actually build with them. Every state below is a computed value, not a mock-up.

Buttons and states
Save changesHoverPressedDisabled
OutlineSubtleLinkFocused
Form field
you@company.com

Focus ring uses the light variant so the field still reads as one shape.

Send me product updates
Notice
Your export is ready

The file stays available for seven days. Download it before it expires.

NewBetaDraft
Data
Storage used68%
Acme LtdActive
NorthwindTrial
GlobexActive

How to use #c5e4eb

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Text and icons on dark surfaces
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Card and section backgrounds
  • Brand accents, badges and data highlights
Use with care
  • Text of any size on white — fails WCAG AA
  • Full-page backgrounds — tiring over long sessions
  • White text placed on it
  • Thin strokes and 1px borders — they disappear on light UI
  • Pairing with a same-lightness hue — edges vibrate
Minimum size as text on white
Not as text
Safe as a fill behind white type
No — use #21535F
Safe as a 1px border on white
No — use #3E9FB5

Meaning and mood

What a colour in this family tends to signal, and how this particular chroma and lightness change the reading.

cleantechnicalfreshclinical

Cyan reads as water, air and infrastructure: cool, hygienic, engineered.

This is a confident chroma: strong enough to lead a brand, restrained enough to live in an interface all day. The lightness keeps it airy and approachable.

Worth knowing

At high lightness it disappears into white surfaces and thin strokes vanish entirely.

Reads as
  • FormalityMedium
  • EnergyMedium-high
  • Weight15/100
  • TemperatureCool
  • ApproachabilityReserved

Colour associations are cultural and vary by market. Treat these as a starting point for a conversation with your audience, not a finding about them.

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#EBCCC5
Analogous left#C5EBDF
Analogous right#C5D1EB
Split-complement 1#EBC5D1
Split-complement 2#EBDFC5
Triadic 1#EBC5E4
Triadic 2#E4EBC5
Tetradic#DFC5EB
On the wheel
Base+30°−30°+120°+240°+180°191°

#c5e4eb sits at 191°. Every dot is a harmony position and links to its own page in the table alongside.

RGB percentages

Red77.3%
Green89.4%
Blue92.2%
R · 0–255
197
0xc5
G · 0–255
228
0xe4
B · 0–255
235
0xeb

CMYK percentages

Cyan16.2%
Magenta3.0%
Yellow0.0%
Key (black)7.8%

Total ink coverage is 27%. Most commercial presses cap around 300% — above that, sheets stop drying properly.

Color previews

#c5e4eb text on a black background

contrast 15.67:1

Card sample

#c5e4eb text on a white background

contrast 1.34:1

Card sample

#c5e4eb on grey

1.22:1

#c5e4eb on its own surface

1.26:1

#c5e4eb on its dark surface

12.31:1

CSS3 live lab

Text font color

The quick brown fox

color: #c5e4eb;
Background color
Panel with #c5e4eb background
background-color: #c5e4eb;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #c5e4eb;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(197, 228, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(197, 228, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c5e4eb;
background: linear-gradient(135deg, #c5e4eb, #C5CBEB);
Gradient text

Gradient headline

background: linear-gradient(90deg, #c5e4eb, #C9C5EB);
-webkit-background-clip: text;
color: transparent;
Focus ring
Focused control
outline: 2px solid #c5e4eb;
outline-offset: 3px;
Underline & caret

Marked up text

text-decoration-color: #c5e4eb;
caret-color: #c5e4eb;
Left rule
Pull quote or callout
border-left: 4px solid #c5e4eb;
Ring + tint
Selected chip
background: #ECF6F8;
box-shadow: inset 0 0 0 2px #c5e4eb;
Conic badge
68%
background: conic-gradient(#c5e4eb 68%, #e2e8f0 0);

Transparency

What each alpha value actually composites to. The top row is #c5e4eb over white; the bottom row is the same alpha over a checkerboard, so you can see what survives on a photo or a video.

Bottom row of hexes is the flattened result over white — use those when a design tool refuses transparency, or when you need a solid fallback.

alpha in every syntaxclick to select
rgba(197, 228, 235, 0.5)
rgb(197 228 235 / 50%)
#c5e4eb80
hsl(191 49% 85% / 50%)
color-mix(in srgb, #c5e4eb 50%, transparent)
Alpha8-digit hexFlat on white
10%#c5e4eb1a#F9FCFD
20%#c5e4eb33#F3FAFB
40%#c5e4eb66#E8F4F7
60%#c5e4eb99#DCEFF3
80%#c5e4ebcc#D1E9EF

Gradients from #c5e4eb

Six recipes, each built from this hex and shown with the exact CSS that produced it.

Elevation
Same hue, three lightnesses — safe anywhere
background: linear-gradient(135deg, #F0F8FA, #c5e4eb 45%, #21535F);
Duotone
A short hue run reads richer than a flat fill
background: linear-gradient(120deg, #c5e4eb, #AEB2E3);
Complement sweep
Loud — keep it behind large type only
background: linear-gradient(90deg, #c5e4eb, #EBCCC5);
Spotlight
Hero panels and app headers
background: radial-gradient(120% 120% at 20% 0%, #F4FAFB 0%, #c5e4eb 45%, #21535F 100%);
Soft wash
Section backgrounds that stay readable
background: linear-gradient(180deg, #F4F9FA, #ffffff);
Mesh
Ambient background, no image weight
background: radial-gradient(60% 60% at 15% 20%, #EBF8F3 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #DCE1F3 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #21535F 0%, transparent 65%), #c5e4eb;

Monochromatic scale

Palettes built from #c5e4eb

Shades — darker

Tints — lighter

Tones — desaturated

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#c5e4eb in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
TechnologyTravelHealthcareMedia
Common UI roles
SurfacesBadgesHighlightsEmpty states
Print note

Converts to four-color process without much drama. Proof it anyway.

On screens

Holds up across typical panel gamma. Still worth checking on an uncalibrated laptop, where mid-tones shift most.

In dark mode

Usable as-is on a dark surface at 15.67:1.

Explore nearby colors

Small, deliberate steps away from this hex — useful when you are hunting for the version of a colour that finally feels right.

#c5e4eb, answered

What color is #c5e4eb?

#c5e4eb is a light vivid cyan, closest to Light Blue (ΔE2000 4.6). It sits at 191° on the hue wheel with 49% saturation and 85% lightness, which reads as cool.

What is the RGB value of #c5e4eb?

rgb(197, 228, 235) — 197 red, 228 green and 235 blue out of 255, or 77.3% / 89.4% / 92.2% by channel.

What is #c5e4eb in HSL and HSV?

hsl(191, 49%, 85%) and hsv(191, 16%, 92%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.

Is #c5e4eb a light or a dark color?

It is a light color. Relative luminance is 0.7336 and perceived brightness is 86%, so black text on it reaches 15.67:1.

Should I use black or white text on #c5e4eb?

Black. It scores 15.67:1 against #c5e4eb, versus 1.34:1 for white — AAA at any size.

Is #c5e4eb accessible on a white background?

#c5e4eb on white scores 1.34:1, which fails WCAG AA at every size. Darken it to #317E8F to reach 4.5:1, or #26606D for 7:1.

What is the complementary color of #c5e4eb?

#EBCCC5 sits directly opposite on the wheel. Softer options are the split-complements #EBC5D1 and #EBDFC5, which give the same contrast with far less vibration.

What colors go well with #c5e4eb?

For interface work: #F4F9FA as the surface, #C2E3EA for borders, #4B8C9B for secondary text, #9D2F37 as an accent and #21535F for hover and pressed states. For a palette, the analogous pair #C5EBDF and #C5D1EB stays calm, while #EBCCC5 is the loudest partner.

What is #c5e4eb in CMYK for printing?

cmyk(16%, 3%, 0%, 8%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #c5e4eb warm or cool?

Cool — it scores 92 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #C5EBE4; nudged cooler, #C4D9EC.

Which Tailwind color is closest to #c5e4eb?

The cyan family — its 500 step is #06b6d4, ΔE2000 19.5 away. That is a visible difference, so define #c5e4eb as a custom token rather than reaching for the built-in.

How do I use #c5e4eb in Tailwind CSS?

Inline it as an arbitrary value with bg-[#c5e4eb] or text-[#c5e4eb], or register the whole ramp under theme.extend.colors.brand so you get bg-brand-500 and friends. The generated 50–950 scale on this page is ready to paste into your config.

What is #c5e4eb with 50% opacity?

rgba(197, 228, 235, 0.5), or #c5e4eb80 in eight-digit hex. Over white that composites to #E2F2F5; over black, #637276.

Is #c5e4eb a web-safe color?

No. The nearest web-safe colour is #CCCCFF, ΔE2000 19.5 away. The palette only matters for legacy displays and some email clients now.

What does the color #c5e4eb mean?

As a cyan, it reads clean, technical, fresh. Cyan reads as water, air and infrastructure: cool, hygienic, engineered. At this chroma the effect is amplified — it will dominate whatever sits beside it.

What gradient works with #c5e4eb?

The safest is same-hue elevation: linear-gradient(135deg, #F0F8FA, #c5e4eb 45%, #21535F). For more colour, a short hue run to #AEB2E3 keeps it rich without turning muddy.

Work with #c5e4eb in the Color Lab

Every tool opens with this colour already loaded.

Every value on this page is computed from #c5e4eb at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.