#2979B2#2979B2

#2979B2 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.5% C 0.117 H 244.1°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#2979B2
RGB	rgb(41, 121, 178)
HSL	hsl(205, 63%, 43%)
HSV	hsv(205, 77%, 70%)
CMYK	cmyk(77%, 32%, 0%, 30.2%)
CIE-LAB	lab(48.71, -4.08, -37.00)
CIE-LCH	lch(48.71, 37.22, 263.70°)
OKLab	oklab(55.53% -0.0509 -0.1049)
OKLCH	oklch(55.53% 0.117 244.1)
XYZ	xyz(15.7846, 17.3586, 44.6295)
Luminance	0.1736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2979B2 #B26229

analogous

#29B2A7 #2979B2 #2934B2

triadic

#2979B2 #B22979 #79B229

tetradic

#2979B2 #A729B2 #B26229 #34B229

square

#2979B2 #A729B2 #B26229 #34B229

split-complementary

#2979B2 #B22934 #B2A729

monochromatic

#12354F #1E5780 #2979B2 #4498D4 #76B4DF

Accessibility & contrast

On white

4.70

#2979B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#2979B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2979B2

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2979B2	#FFFFFF	#000000	##FFFFFF
##2979B2	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7BB4

Deuteranopia (green-blind)

#4B6EB1

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2979b2;
/* rgb */ color: rgb(41, 121, 178);
/* oklch */ color: oklch(55.5% 0.117 244.1);

Tailwind

colors: {
  custom: {
    50: '#779fc9',
    500: '#2979b2',
    950: '#000000',
  },
}

SCSS

$custom: #2979b2;
$custom-light: #779fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2979b2",
  "rgb": {
    "r": 41,
    "g": 121,
    "b": 178
  },
  "hsl": {
    "h": 204.964,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.55531,
    "c": 0.11665,
    "h": 244.1
  },
  "luminance": 0.17361
}

Semantic roles & 50–950 ramp

primary

#2979B2

secondary

#C79470

accent

#8642E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2979B2

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

Preview Lab → · Contrast checker → · Palette generator →