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cyan · cool

#3e8379

a dark, soft cyan · cool · closest name: Teal

Token name suggestion: Shadow Teal

RGB
62, 131, 121
HSL
171°, 36%, 38%
CMYK
53, 0, 8, 49
Luminance
0.1864

#3e8379 is a dark soft cyan, 171° on the wheel and 84/100 on the cool side. Put black text on it (4.73:1). As text it scores 4.44:1 on white — large text only. Nearest name is Teal, nearest Tailwind family is teal.

hsl(171 36% 38%)rgb(62 131 121)Base step 700AA inkCool

At a glance

Every number on this page in one read: what #3e8379 is made of, how bright it looks, and which way it leans.

Hex
#3e8379
Hue
171°
cyan
Saturation
36%
soft
Lightness
38%
dark
Brightness
51%
HSV value
Perceived
45%
weighted brightness
Luminance
0.1864
WCAG relative
Temperature
Cool
84/100 cool
Color family
Cyan
Tone
Soft
Best ink
Black
4.73:1
Closest name
Teal
ΔE2000 5.5
Chroma
24.4
LCH, 0–130ish
OKLCH L
0.562
perceptual lightness
Tailwind
teal
500 · ΔE 16.9
Web-safe
#339966
nearest of 216
Where it sits
Hue171° of 360°
Saturation36%
Lightness38%
Saturation × lightness field

Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #3e8379.

Temperature
Warm ← → Cool84% 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
Red5%
Green87%
Blue7%

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

Every format

HEX#3e8379
HEX (8-digit)#3e8379ff
RGBrgb(62, 131, 121)
RGBArgba(62, 131, 121, 1)
HSLhsl(171, 36%, 38%)
HSV / HSBhsv(171, 53%, 51%)
HWBhwb(171 24% 49%)
CMYKcmyk(53%, 0%, 8%, 49%)
LABlab(50.3 -24.4 -1.3)
LCHlch(50.3 24.4 183.0)
OKLCHoklch(0.562 0.072 183.0)
XYZ (D65)xyz(13.55, 18.64, 20.97)
Decimal4096889
Display P3color(display-p3 0.243 0.514 0.475)
Web-safe#339966

Copy-ready code

every platformclick to select
/* CSS */
color: #3e8379;
background-color: #3e8379;
/* CSS custom property */
--brand: #3e8379;
/* Tailwind (arbitrary) */
class="text-[#3e8379] bg-[#3e8379]"
/* SCSS */
$brand: #3e8379;
/* SwiftUI */
Color(red: 0.243, green: 0.514, blue: 0.475)
/* UIKit */
UIColor(red: 0.243, green: 0.514, blue: 0.475, alpha: 1)
/* Android XML */
<color name="brand">#3E8379</color>
/* Android Compose */
Color(0xFF3E8379)
/* Flutter */
Color(0xFF3E8379)
/* Python / OpenCV (BGR) */
(121, 131, 62)
/* Python / PIL (RGB) */
(62, 131, 121)
/* Java AWT */
new Color(62, 131, 121)
/* .NET */
Color.FromArgb(255, 62, 131, 121)
/* OpenGL / Unity (0–1) */
(0.2431f, 0.5137f, 0.4745f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{62,131,121}
modern cssclick to select
/* mix without leaving CSS */
background: color-mix(in oklab, #3e8379 85%, white);
border-color: color-mix(in oklab, #3e8379 40%, transparent);
/* theme-aware in one line */
color: light-dark(#295750, #D5EBE8);
/* relative colour syntax */
--hover: hsl(from #3e8379 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: #F5F9F9;
  --brand-100: #EBF4F3;
  --brand-200: #D3E8E5;
  --brand-300: #B3DBD5;
  --brand-400: #8DC9C0;
  --brand-500: #67B7AB;
  --brand-600: #4FA69A;
  --brand-700: #3e8379;
  --brand-800: #346F66;
  --brand-900: #29514C;
  --brand-950: #1A332F;
  --brand: #3e8379;
  --brand-ink: #000000;
  --brand-surface: #F5FAF9;
  --brand-border: #C8E5E1;
  --brand-hover: #326B63;
  --brand-pressed: #27524C;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand-surface: #142422;
    --brand-ink: #D5EBE8;
  }
}
tailwind.config.jsclick to select
theme: {
  extend: {
    colors: {
      brand: {
        50: '#F5F9F9',
        100: '#EBF4F3',
        200: '#D3E8E5',
        300: '#B3DBD5',
        400: '#8DC9C0',
        500: '#67B7AB',
        600: '#4FA69A',
        700: '#3e8379',
        800: '#346F66',
        900: '#29514C',
        950: '#1A332F',
        DEFAULT: '#3e8379',
      },
    },
  },
}
scss mapclick to select
$brand: (
  '50': #F5F9F9,
  '100': #EBF4F3,
  '200': #D3E8E5,
  '300': #B3DBD5,
  '400': #8DC9C0,
  '500': #67B7AB,
  '600': #4FA69A,
  '700': #3e8379,
  '800': #346F66,
  '900': #29514C,
  '950': #1A332F,
);
$brand-base: #3e8379;
$brand-ink: #000000;

@function brand($step) { @return map-get($brand, $step); }
w3c design tokens (json)click to select
{
  "color": {
    "brand": {
      "50": { "$value": "#F5F9F9", "$type": "color" },
      "100": { "$value": "#EBF4F3", "$type": "color" },
      "200": { "$value": "#D3E8E5", "$type": "color" },
      "300": { "$value": "#B3DBD5", "$type": "color" },
      "400": { "$value": "#8DC9C0", "$type": "color" },
      "500": { "$value": "#67B7AB", "$type": "color" },
      "600": { "$value": "#4FA69A", "$type": "color" },
      "700": { "$value": "#3e8379", "$type": "color" },
      "800": { "$value": "#346F66", "$type": "color" },
      "900": { "$value": "#29514C", "$type": "color" },
      "950": { "$value": "#1A332F", "$type": "color" }
    },
    "brandInk": { "$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 #3e8379 · 4.73:1
Use #000000AA at every size, AAA for large text only.
Aa
12px
Aa
16px
Aa
24px
Aa
White text · 4.44:1
AA fail · AA large pass · AAA fail
Aa
Black text · 4.73:1 · recommended
AA pass · AA large pass · AAA fail
Reading the other direction: #3e8379 as text scores 4.44:1 on white and 4.73:1 on black.
Best tinted ink on it, if plain black or white feels flat: #295750 at 1.84:1.

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
#3C7F76 · 4.68:1
AA on white−1% L
#3C7F76
The quick fox
#2E6059 · 7.16:1
AAA on white−10% L
#2E6059
The quick fox
#3e8379 · 4.73:1
AA on blackalready passes
#3e8379
The quick fox
#4EA699 · 7.24:1
AAA on black+10% L
#4EA699

Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #3E8379 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
#3e8379 on white: 4.44:1
AA ✗ fail · AA-large · AAA
Aa
#3e8379 on black: 4.73:1
AA ✓ pass · AA-large · AAA
Against the neutral ladder

Contrast is symmetric, so each row covers both directions: #3e8379 as text on that neutral, and that neutral as text on #3e8379.

NeutralRatioBoth directions
White4.44:1AaAa
Slate 504.25:1AaAa
Slate 1004.05:1AaAa
Slate 2003.60:1AaAa
Slate 3002.99:1AaAa
Slate 4001.73:1AaAa
Slate 5001.07:1AaAa
Slate 6001.71:1AaAa
Slate 7002.33:1AaAa
Slate 8003.29:1AaAa
Slate 9004.02:1AaAa
Black4.73:1AaAa
Colour vision deficiency
true color
protanopia · #7E7C79
deuteranopia · #72747A
tritanopia · #188580

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. #3e8379 is pinned to step 700; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F5F9F9
#EBF4F3
#D3E8E5
#B3DBD5
#8DC9C0
#67B7AB
#4FA69A
#3e8379
#346F66
#29514C
#1A332F
Base = 700Lightest = 50 · #F5F9F9Darkest = 950 · #1A332FText 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 0.018 183.0);
  --brand-100: oklch(0.94 0.029 183.0);
  --brand-200: oklch(0.88 0.043 183.0);
  --brand-300: oklch(0.80 0.056 183.0);
  --brand-400: oklch(0.72 0.066 183.0);
  --brand-500: oklch(0.64 0.072 183.0);
  --brand-600: oklch(0.56 0.072 183.0);
  --brand-700: oklch(0.48 0.067 183.0);
  --brand-800: oklch(0.40 0.060 183.0);
  --brand-900: oklch(0.32 0.050 183.0);
  --brand-950: oklch(0.24 0.039 183.0);
}

Colors that work with #3e8379

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#F5FAF9
Tinted page background
Border#C8E5E1
Hairlines and dividers
Muted text#4B9B8F
Captions on the surface
Accent#873A58
Second voice, not a rival
Dark variant#295750
Hover, pressed, headers
Light variant#EEF7F5
Selected rows, tints
Dark surface#142422
Dark-mode background
Hover#326B63
One step down in lightness
Pressed#27524C
Two steps down
Disabled#82AFA9
Chroma pulled out
Focus ring#3A9B8D
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 #3e8379

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

Works well for
  • Headings from 24px up on white
  • Text and icons on dark surfaces
  • Charts, tags and secondary surfaces
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Small text on white — under 4.5:1
  • Black 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
24px / 18.66px bold
Safe as a fill behind white type
No — use #295750
Safe as a 1px border on white
Yes

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.

The muted chroma softens the association — it reads considered rather than loud, which suits long-form and data-heavy screens. The low lightness adds weight and formality.

Worth knowing

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

Reads as
  • FormalityHigh
  • EnergyMedium
  • Weight62/100
  • 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#833E48
Analogous left#3E8356
Analogous right#3E6A83
Split-complement 1#833E6A
Split-complement 2#83563E
Triadic 1#793E83
Triadic 2#83793E
Tetradic#563E83
On the wheel
Base+30°−30°+120°+240°+180°171°

#3e8379 sits at 171°. Every dot is a harmony position and links to its own page in the table alongside.

RGB percentages

Red24.3%
Green51.4%
Blue47.5%
R · 0–255
62
0x3e
G · 0–255
131
0x83
B · 0–255
121
0x79

CMYK percentages

Cyan52.7%
Magenta0.0%
Yellow7.6%
Key (black)48.6%

Total ink coverage is 109%. Most commercial presses cap around 300% — above that, sheets stop drying properly.

Color previews

#3e8379 text on a black background

contrast 4.73:1

Card sample

#3e8379 text on a white background

contrast 4.44:1

Card sample

#3e8379 on grey

4.05:1

#3e8379 on its own surface

4.21:1

#3e8379 on its dark surface

3.62:1

CSS3 live lab

Text font color

The quick brown fox

color: #3e8379;
Background color
Panel with #3e8379 background
background-color: #3e8379;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #3e8379;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(62, 131, 121, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(62, 131, 121, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3e8379;
background: linear-gradient(135deg, #3e8379, #3E5F83);
Gradient text

Gradient headline

background: linear-gradient(90deg, #3e8379, #3E4E83);
-webkit-background-clip: text;
color: transparent;
Focus ring
Focused control
outline: 2px solid #3e8379;
outline-offset: 3px;
Underline & caret

Marked up text

text-decoration-color: #3e8379;
caret-color: #3e8379;
Left rule
Pull quote or callout
border-left: 4px solid #3e8379;
Ring + tint
Selected chip
background: #EEF7F5;
box-shadow: inset 0 0 0 2px #3e8379;
Conic badge
68%
background: conic-gradient(#3e8379 68%, #e2e8f0 0);

Transparency

What each alpha value actually composites to. The top row is #3e8379 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(62, 131, 121, 0.5)
rgb(62 131 121 / 50%)
#3e837980
hsl(171 36% 38% / 50%)
color-mix(in srgb, #3e8379 50%, transparent)
Alpha8-digit hexFlat on white
10%#3e83791a#ECF3F2
20%#3e837933#D8E6E4
40%#3e837966#B2CDC9
60%#3e837999#8BB5AF
80%#3e8379cc#659C94

Gradients from #3e8379

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, #52AC9F, #3e8379 45%, #295750);
Duotone
A short hue run reads richer than a flat fill
background: linear-gradient(120deg, #3e8379, #344B6E);
Complement sweep
Loud — keep it behind large type only
background: linear-gradient(90deg, #3e8379, #833E48);
Spotlight
Hero panels and app headers
background: radial-gradient(120% 120% at 20% 0%, #66B7AB 0%, #3e8379 45%, #295750 100%);
Soft wash
Section backgrounds that stay readable
background: linear-gradient(180deg, #F5FAF9, #ffffff);
Mesh
Ambient background, no image weight
background: radial-gradient(60% 60% at 15% 20%, #4EA666 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #487598 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #295750 0%, transparent 65%), #3e8379;

Monochromatic scale

Palettes built from #3e8379

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.

#3e8379 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
ButtonsLinksFocus statesCharts
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 4.73:1.

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.

#3e8379, answered

What color is #3e8379?

#3e8379 is a dark soft cyan, closest to Teal (ΔE2000 5.5). It sits at 171° on the hue wheel with 36% saturation and 38% lightness, which reads as cool.

What is the RGB value of #3e8379?

rgb(62, 131, 121) — 62 red, 131 green and 121 blue out of 255, or 24.3% / 51.4% / 47.5% by channel.

What is #3e8379 in HSL and HSV?

hsl(171, 36%, 38%) and hsv(171, 53%, 51%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.

Is #3e8379 a light or a dark color?

It is a mid-tone. Relative luminance is 0.1864 and perceived brightness is 45%, so black text on it reaches 4.73:1.

Should I use black or white text on #3e8379?

Black. It scores 4.73:1 against #3e8379, versus 4.44:1 for white — AA at any size.

Is #3e8379 accessible on a white background?

#3e8379 on white scores 4.44:1, which only clears AA for large text — 18.66px bold or 24px regular and up. Darken it to #3C7F76 to reach 4.5:1, or #2E6059 for 7:1.

What is the complementary color of #3e8379?

#833E48 sits directly opposite on the wheel. Softer options are the split-complements #833E6A and #83563E, which give the same contrast with far less vibration.

What colors go well with #3e8379?

For interface work: #F5FAF9 as the surface, #C8E5E1 for borders, #4B9B8F for secondary text, #873A58 as an accent and #295750 for hover and pressed states. For a palette, the analogous pair #3E8356 and #3E6A83 stays calm, while #833E48 is the loudest partner.

What is #3e8379 in CMYK for printing?

cmyk(53%, 0%, 8%, 49%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #3e8379 warm or cool?

Cool — it scores 84 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #3E8360; nudged cooler, #3C7585.

Which Tailwind color is closest to #3e8379?

The teal family — its 500 step is #14b8a6, ΔE2000 16.9 away. That is a visible difference, so define #3e8379 as a custom token rather than reaching for the built-in.

How do I use #3e8379 in Tailwind CSS?

Inline it as an arbitrary value with bg-[#3e8379] or text-[#3e8379], 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 #3e8379 with 50% opacity?

rgba(62, 131, 121, 0.5), or #3e837980 in eight-digit hex. Over white that composites to #9FC1BC; over black, #1F423D.

Is #3e8379 a web-safe color?

No. The nearest web-safe colour is #339966, ΔE2000 14.1 away. The palette only matters for legacy displays and some email clients now.

What does the color #3e8379 mean?

As a cyan, it reads clean, technical, fresh. Cyan reads as water, air and infrastructure: cool, hygienic, engineered. At this moderate chroma the association is present but not shouted.

What gradient works with #3e8379?

The safest is same-hue elevation: linear-gradient(135deg, #52AC9F, #3e8379 45%, #295750). For more colour, a short hue run to #344B6E keeps it rich without turning muddy.

Work with #3e8379 in the Color Lab

Every tool opens with this colour already loaded.

Every value on this page is computed from #3e8379 at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.