#2979AB#2979AB

#2979AB is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.1% C 0.109 H 240.7°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#2979AB
RGB	rgb(41, 121, 171)
HSL	hsl(203, 61%, 42%)
HSV	hsv(203, 76%, 67%)
CMYK	cmyk(76%, 29.2%, 0%, 32.9%)
CIE-LAB	lab(48.37, -6.64, -33.47)
CIE-LCH	lch(48.37, 34.13, 258.77°)
OKLab	oklab(55.15% -0.0531 -0.0947)
OKLCH	oklch(55.15% 0.109 240.7)
XYZ	xyz(15.0996, 17.0847, 41.0220)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2979AB #AB5B29

analogous

#29AB9C #2979AB #2938AB

triadic

#2979AB #AB2979 #79AB29

tetradic

#2979AB #9C29AB #AB5B29 #38AB29

square

#2979AB #9C29AB #AB5B29 #38AB29

split-complementary

#2979AB #AB2938 #AB9C29

monochromatic

#113348 #1D567A #2979AB #4099D1 #71B4DD

Accessibility & contrast

On white

4.75

#2979AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#2979AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2979AB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2979AB	#FFFFFF	#000000	##FFFFFF
##2979AB	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	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: #2979ab;
/* rgb */ color: rgb(41, 121, 171);
/* oklch */ color: oklch(55.1% 0.109 240.7);

Tailwind

colors: {
  custom: {
    50: '#759fc4',
    500: '#2979ab',
    950: '#000000',
  },
}

SCSS

$custom: #2979ab;
$custom-light: #759fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2979ab",
  "rgb": {
    "r": 41,
    "g": 121,
    "b": 171
  },
  "hsl": {
    "h": 203.077,
    "s": 61.321,
    "l": 41.569
  },
  "oklch": {
    "l": 0.55148,
    "c": 0.10858,
    "h": 240.7
  },
  "luminance": 0.17086
}

Semantic roles & 50–950 ramp

primary

#2979AB

secondary

#C48E6C

accent

#8143E4

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #2979AB

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

Preview Lab → · Contrast checker → · Palette generator →