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#8cd3dd

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

RGB
140, 211, 221
HSL
187°, 54%, 71%
CMYK
37, 5, 0, 13
Luminance
0.5738

At a glance

Every number on this page in one read: what #8cd3dd is made of, how bright it looks, and which way it leans.

Hex
#8cd3dd
Hue
187°
cyan
Saturation
54%
vivid
Lightness
71%
light
Brightness
87%
HSV value
Perceived
76%
weighted brightness
Luminance
0.5738
WCAG relative
Temperature
Cool
91/100 cool
Color family
Cyan
Tone
Vivid
Best ink
Black
12.48:1
Closest name
Powder Blue
ΔE2000 5.5
Where it sits
Hue187° of 360°
Saturation54%
Lightness71%
Temperature
Warm ← → Cool91% cool

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

Every format

HEX#8cd3dd
RGBrgb(140, 211, 221)
HSLhsl(187, 54%, 71%)
CMYKcmyk(37%, 5%, 0%, 13%)
LABlab(80.4 -19.7 -12.0)
LCHlch(80.4 23.0 211.3)
OKLCHoklch(0.824 0.072 207.0)
Decimal9229277
Display P3color(display-p3 0.549 0.827 0.867)

Copy-ready code

/* CSS */
color: #8cd3dd;
background-color: #8cd3dd;
/* Tailwind (arbitrary) */
class="text-[#8cd3dd] bg-[#8cd3dd]"
/* SCSS */
$brand: #8cd3dd;
/* SwiftUI */
Color(red: 0.549, green: 0.827, blue: 0.867)
/* Android */
Color.parseColor("#8cd3dd")
/* Flutter */
Color(0xFF8CD3DD)
/* Python / OpenCV (BGR) */
(221, 211, 140)

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 #8cd3dd · 12.48:1
Use #000000AAA at every size.
Aa
White text · 1.68:1
AA fail · AA large fail · AAA fail
Aa
Black text · 12.48:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #8cd3dd as text scores 1.68:1 on white and 12.48:1 on black.

Accessibility — WCAG contrast

Aa
#8cd3dd on white: 1.68:1
AA ✗ fail · AA-large · AAA
Aa
#8cd3dd on black: 12.48:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #C8CEDE
deuteranopia · #BAC3DD
tritanopia · #6CD9D6

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #8cd3dd is pinned to step 400; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F4FAFB
#E9F5F6
#CEEAEE
#A8DEE5
#8cd3dd
#52BDCC
#38ADBD
#2F909D
#25737E
#1F545C
#133539
Base = 400Lightest = 50 · #F4FAFBDarkest = 950 · #133539
:root {
  --brand-50: #F4FAFB;
  --brand-100: #E9F5F6;
  --brand-200: #CEEAEE;
  --brand-300: #A8DEE5;
  --brand-400: #8cd3dd;
  --brand-500: #52BDCC;
  --brand-600: #38ADBD;
  --brand-700: #2F909D;
  --brand-800: #25737E;
  --brand-900: #1F545C;
  --brand-950: #133539;
  --brand: #8cd3dd;
  --brand-ink: #000000;
}

Colors that work with #8cd3dd

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#F4FAFA
Tinted page background
Border#C0E7EC
Hairlines and dividers
Muted text#4B919B
Captions on the surface
Accent#A22A3A
Second voice, not a rival
Dark variant#1D5A62
Hover, pressed, headers
Light variant#EBF7F9
Selected rows, tints
Dark surface#142224
Dark-mode background
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

How to use #8cd3dd

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

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#DD968C
Analogous left#8CDDBF
Analogous right#8CABDD
Split-complement 1#DD8CAB
Split-complement 2#DDBF8C
Triadic 1#DD8CD3
Triadic 2#D3DD8C
Tetradic#BF8CDD

RGB percentages

Red54.9%
Green82.7%
Blue86.7%

CMYK percentages

Cyan36.7%
Magenta4.5%
Yellow0.0%
Key (black)13.3%

Color previews

#8cd3dd text on a black background

contrast 12.48:1

Card sample

#8cd3dd text on a white background

contrast 1.68:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #8cd3dd;
Background color
Panel with #8cd3dd background
background-color: #8cd3dd;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #8cd3dd;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(140, 211, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(140, 211, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #8cd3dd;
background: linear-gradient(135deg, #8cd3dd, #8C9DDD);

Monochromatic scale

Palettes built from #8cd3dd

Shades — darker

Tints — lighter

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.

#8cd3dd 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.

#8cd3dd, answered

What color is #8cd3dd?

#8cd3dd is a light vivid cyan, closest to Powder Blue (ΔE2000 5.5). It sits at 187° on the hue wheel with 54% saturation and 71% lightness, which reads as cool.

What is the RGB value of #8cd3dd?

rgb(140, 211, 221) — 140 red, 211 green and 221 blue out of 255, or 54.9% / 82.7% / 86.7% by channel.

Is #8cd3dd a light or a dark color?

It is a light color. Relative luminance is 0.5738 and perceived brightness is 76%, so black text on it reaches 12.48:1.

Should I use black or white text on #8cd3dd?

Black. It scores 12.48:1 against #8cd3dd, versus 1.68:1 for white — AAA at any size.

What is the complementary color of #8cd3dd?

#DD968C sits directly opposite on the wheel. Softer options are the split-complements #DD8CAB and #DDBF8C, which give the same contrast with far less vibration.

What colors go well with #8cd3dd?

For interface work: #F4FAFA as the surface, #C0E7EC for borders, #4B919B for secondary text, #A22A3A as an accent and #1D5A62 for hover and pressed states. For a palette, the analogous pair #8CDDBF and #8CABDD stays calm, while #DD968C is the loudest partner.

What is #8cd3dd in CMYK for printing?

cmyk(37%, 5%, 0%, 13%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #8cd3dd warm or cool?

Cool — it scores 91 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #8CDDC9; nudged cooler, #8BBCDF.

Work with #8cd3dd in the Color Lab