#2879AB#2879AB

#2879AB is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.1% C 0.109 H 240.5°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#2879AB
RGB	rgb(40, 121, 171)
HSL	hsl(203, 62%, 41%)
HSV	hsv(203, 77%, 67%)
CMYK	cmyk(76.6%, 29.2%, 0%, 32.9%)
CIE-LAB	lab(48.34, -6.77, -33.51)
CIE-LCH	lch(48.34, 34.19, 258.58°)
OKLab	oklab(55.12% -0.0537 -0.0948)
OKLCH	oklch(55.12% 0.109 240.5)
XYZ	xyz(15.0602, 17.0644, 41.0202)
Luminance	0.1707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2879AB #AB5A28

analogous

#28AB9C #2879AB #2838AB

triadic

#2879AB #AB2879 #79AB28

tetradic

#2879AB #9C28AB #AB5A28 #38AB28

square

#2879AB #9C28AB #AB5A28 #38AB28

split-complementary

#2879AB #AB2838 #AB9C28

monochromatic

#113348 #1C5679 #2879AB #3E9AD2 #70B4DE

Accessibility & contrast

On white

4.76

#2879AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#2879AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2879AB

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2879AB	#FFFFFF	#000000	##FFFFFF
##2879AB	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627AAD

Deuteranopia (green-blind)

#506DAA

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2879ab;
/* rgb */ color: rgb(40, 121, 171);
/* oklch */ color: oklch(55.1% 0.109 240.5);

Tailwind

colors: {
  custom: {
    50: '#759fc4',
    500: '#2879ab',
    950: '#000000',
  },
}

SCSS

$custom: #2879ab;
$custom-light: #759fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2879ab",
  "rgb": {
    "r": 40,
    "g": 121,
    "b": 171
  },
  "hsl": {
    "h": 202.901,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55121,
    "c": 0.10894,
    "h": 240.5
  },
  "luminance": 0.17066
}

Semantic roles & 50–950 ramp

primary

#2879AB

secondary

#C48D6A

accent

#8143E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #2879AB

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

Preview Lab → · Contrast checker → · Palette generator →