#278C81#278C81

#278C81 is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.1% C 0.091 H 184.4°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#278C81
RGB	rgb(39, 140, 129)
HSL	hsl(173, 56%, 35%)
HSV	hsv(173, 72%, 55%)
CMYK	cmyk(72.1%, 0%, 7.9%, 45.1%)
CIE-LAB	lab(52.70, -30.95, -2.41)
CIE-LCH	lch(52.70, 31.05, 184.46°)
OKLab	oklab(58.09% -0.0912 -0.007)
OKLCH	oklch(58.09% 0.091 184.4)
XYZ	xyz(14.1753, 20.7708, 24.0267)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C81 #8C2732

analogous

#278C4E #278C81 #27658C

triadic

#278C81 #81278C #8C8127

tetradic

#278C81 #4E278C #8C2732 #658C27

square

#278C81 #4E278C #8C2732 #658C27

split-complementary

#278C81 #8C2765 #8C4E27

monochromatic

#0C2C29 #1A5C55 #278C81 #34BCAD #5CD2C5

Accessibility & contrast

On white

4.07

#278C81 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#278C81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C81

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C81	#FFFFFF	#000000	##000000
##278C81	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858481

Deuteranopia (green-blind)

#777982

Tritanopia (blue-blind)

#008F88

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #278c81;
/* rgb */ color: rgb(39, 140, 129);
/* oklch */ color: oklch(58.1% 0.091 184.4);

Tailwind

colors: {
  custom: {
    50: '#71aea5',
    500: '#278c81',
    950: '#000000',
  },
}

SCSS

$custom: #278c81;
$custom-light: #71aea5;
$custom-dark: #000000;

JSON

{
  "hex": "#278c81",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 129
  },
  "hsl": {
    "h": 173.465,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.58089,
    "c": 0.09146,
    "h": 184.4
  },
  "luminance": 0.20772
}

Semantic roles & 50–950 ramp

primary

#278C81

secondary

#B75862

accent

#4859E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #278C81

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →