#2979B1#2979B1

#2979B1 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.5% C 0.115 H 243.7°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#2979B1
RGB	rgb(41, 121, 177)
HSL	hsl(205, 62%, 43%)
HSV	hsv(205, 77%, 69%)
CMYK	cmyk(76.8%, 31.6%, 0%, 30.6%)
CIE-LAB	lab(48.66, -4.45, -36.50)
CIE-LCH	lch(48.66, 36.77, 263.05°)
OKLab	oklab(55.48% -0.0512 -0.1035)
OKLCH	oklch(55.48% 0.115 243.7)
XYZ	xyz(15.6846, 17.3186, 44.1026)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2979B1 #B16129

analogous

#29B1A5 #2979B1 #2935B1

triadic

#2979B1 #B12979 #79B129

tetradic

#2979B1 #A529B1 #B16129 #35B129

square

#2979B1 #A529B1 #B16129 #35B129

split-complementary

#2979B1 #B12935 #B1A529

monochromatic

#12354E #1D577F #2979B1 #4498D4 #75B4DF

Accessibility & contrast

On white

4.70

#2979B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#2979B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2979B1

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2979B1	#FFFFFF	#000000	##FFFFFF
##2979B1	1.00	4.70	4.46	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7BB3

Deuteranopia (green-blind)

#4C6EB0

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2979b1;
/* rgb */ color: rgb(41, 121, 177);
/* oklch */ color: oklch(55.5% 0.115 243.7);

Tailwind

colors: {
  custom: {
    50: '#779fc8',
    500: '#2979b1',
    950: '#000000',
  },
}

SCSS

$custom: #2979b1;
$custom-light: #779fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2979b1",
  "rgb": {
    "r": 41,
    "g": 121,
    "b": 177
  },
  "hsl": {
    "h": 204.706,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55476,
    "c": 0.11548,
    "h": 243.7
  },
  "luminance": 0.1732
}

Semantic roles & 50–950 ramp

primary

#2979B1

secondary

#C7936F

accent

#8642E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2979B1

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

Preview Lab → · Contrast checker → · Palette generator →