#278A8B#278A8B

#278A8B is a mid, moderate teal. Relative luminance 0.205; OKLCH L 57.9% C 0.088 H 196.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#278A8B
RGB	rgb(39, 138, 139)
HSL	hsl(181, 56%, 35%)
HSV	hsv(181, 72%, 55%)
CMYK	cmyk(71.9%, 0.7%, 0%, 45.5%)
CIE-LAB	lab(52.37, -27.00, -8.71)
CIE-LCH	lch(52.37, 28.37, 197.88°)
OKLab	oklab(57.92% -0.0843 -0.0242)
OKLCH	oklch(57.92% 0.088 196)
XYZ	xyz(14.5833, 20.4707, 27.6037)
Luminance	0.2047 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278A8B #8B2827

analogous

#278B5A #278A8B #27588B

triadic

#278A8B #8B278A #8A8B27

tetradic

#278A8B #5A278B #8B2827 #588B27

square

#278A8B #5A278B #8B2827 #588B27

split-complementary

#278A8B #8B2758 #8B5A27

monochromatic

#0C2B2B #1A5B5B #278A8B #34B9BB #5BD0D1

Accessibility & contrast

On white

4.12

#278A8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#278A8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278A8B

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278A8B	#FFFFFF	#000000	##000000
##278A8B	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81838B

Deuteranopia (green-blind)

#72788C

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278a8b;
/* rgb */ color: rgb(39, 138, 139);
/* oklch */ color: oklch(57.9% 0.088 196.0);

Tailwind

colors: {
  custom: {
    50: '#72acac',
    500: '#278a8b',
    950: '#000000',
  },
}

SCSS

$custom: #278a8b;
$custom-light: #72acac;
$custom-dark: #000000;

JSON

{
  "hex": "#278a8b",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 139
  },
  "hsl": {
    "h": 180.6,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.57921,
    "c": 0.08775,
    "h": 196
  },
  "luminance": 0.20472
}

Semantic roles & 50–950 ramp

primary

#278A8B

secondary

#B65958

accent

#4A48DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278A8B

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

Preview Lab → · Contrast checker → · Palette generator →