#2979B3#2979B3

#2979B3 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.6% C 0.118 H 244.5°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#2979B3
RGB	rgb(41, 121, 179)
HSL	hsl(205, 63%, 43%)
HSV	hsv(205, 77%, 70%)
CMYK	cmyk(77.1%, 32.4%, 0%, 29.8%)
CIE-LAB	lab(48.76, -3.72, -37.50)
CIE-LCH	lch(48.76, 37.68, 264.34°)
OKLab	oklab(55.59% -0.0506 -0.1064)
OKLCH	oklch(55.59% 0.118 244.5)
XYZ	xyz(15.8854, 17.3990, 45.1602)
Luminance	0.1740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2979B3 #B36329

analogous

#29B3A8 #2979B3 #2934B3

triadic

#2979B3 #B32979 #79B329

tetradic

#2979B3 #A829B3 #B36329 #34B329

square

#2979B3 #A829B3 #B36329 #34B329

split-complementary

#2979B3 #B32934 #B3A829

monochromatic

#12364F #1E5781 #2979B3 #4598D4 #77B4E0

Accessibility & contrast

On white

4.69

#2979B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#2979B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2979B3

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2979B3	#FFFFFF	#000000	##FFFFFF
##2979B3	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7BB6

Deuteranopia (green-blind)

#4B6EB2

Tritanopia (blue-blind)

#00878E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2979b3;
/* rgb */ color: rgb(41, 121, 179);
/* oklch */ color: oklch(55.6% 0.118 244.5);

Tailwind

colors: {
  custom: {
    50: '#779fca',
    500: '#2979b3',
    950: '#000000',
  },
}

SCSS

$custom: #2979b3;
$custom-light: #779fca;
$custom-dark: #000000;

JSON

{
  "hex": "#2979b3",
  "rgb": {
    "r": 41,
    "g": 121,
    "b": 179
  },
  "hsl": {
    "h": 205.217,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55587,
    "c": 0.11784,
    "h": 244.5
  },
  "luminance": 0.17401
}

Semantic roles & 50–950 ramp

primary

#2979B3

secondary

#C79570

accent

#8742E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2979B3

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

Preview Lab → · Contrast checker → · Palette generator →