#2979B0#2979B0

#2979B0 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.4% C 0.114 H 243.2°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#2979B0
RGB	rgb(41, 121, 176)
HSL	hsl(204, 62%, 43%)
HSV	hsv(204, 77%, 69%)
CMYK	cmyk(76.7%, 31.3%, 0%, 31%)
CIE-LAB	lab(48.61, -4.82, -36.00)
CIE-LCH	lch(48.61, 36.32, 262.38°)
OKLab	oklab(55.42% -0.0516 -0.102)
OKLCH	oklch(55.42% 0.114 243.2)
XYZ	xyz(15.5853, 17.2789, 43.5796)
Luminance	0.1728 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2979B0 #B06029

analogous

#29B0A3 #2979B0 #2936B0

triadic

#2979B0 #B02979 #79B029

tetradic

#2979B0 #A329B0 #B06029 #36B029

square

#2979B0 #A329B0 #B06029 #36B029

split-complementary

#2979B0 #B02936 #B0A329

monochromatic

#12354D #1D577E #2979B0 #4398D3 #75B4DF

Accessibility & contrast

On white

4.71

#2979B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#2979B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2979B0

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2979B0	#FFFFFF	#000000	##FFFFFF
##2979B0	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7AB2

Deuteranopia (green-blind)

#4D6EAF

Tritanopia (blue-blind)

#00868C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2979b0;
/* rgb */ color: rgb(41, 121, 176);
/* oklch */ color: oklch(55.4% 0.114 243.2);

Tailwind

colors: {
  custom: {
    50: '#769fc8',
    500: '#2979b0',
    950: '#000000',
  },
}

SCSS

$custom: #2979b0;
$custom-light: #769fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2979b0",
  "rgb": {
    "r": 41,
    "g": 121,
    "b": 176
  },
  "hsl": {
    "h": 204.444,
    "s": 62.212,
    "l": 42.549
  },
  "oklch": {
    "l": 0.5542,
    "c": 0.11431,
    "h": 243.2
  },
  "luminance": 0.17281
}

Semantic roles & 50–950 ramp

primary

#2979B0

secondary

#C6926F

accent

#8543E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2979B0

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

Preview Lab → · Contrast checker → · Palette generator →