#2879C4#2879C4

#2879C4 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.6% C 0.139 H 250.5°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#2879C4
RGB	rgb(40, 121, 196)
HSL	hsl(209, 66%, 46%)
HSV	hsv(209, 80%, 77%)
CMYK	cmyk(79.6%, 38.3%, 0%, 23.1%)
CIE-LAB	lab(49.63, 2.50, -45.91)
CIE-LCH	lch(49.63, 45.98, 273.12°)
OKLab	oklab(56.56% -0.0464 -0.131)
OKLCH	oklch(56.56% 0.139 250.5)
XYZ	xyz(17.6725, 18.1092, 54.7779)
Luminance	0.1811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2879C4 #C47328

analogous

#28C4C1 #2879C4 #282BC4

triadic

#2879C4 #C42879 #79C428

tetradic

#2879C4 #C128C4 #C47328 #2BC428

square

#2879C4 #C128C4 #C47328 #2BC428

split-complementary

#2879C4 #C4282B #C4C128

monochromatic

#133A5E #1E5A91 #2879C4 #4E97DB #81B5E5

Accessibility & contrast

On white

4.54

#2879C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#2879C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2879C4

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2879C4	#FFFFFF	#000000	##000000
##2879C4	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557EC7

Deuteranopia (green-blind)

#3D70C3

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #2879c4;
/* rgb */ color: rgb(40, 121, 196);
/* oklch */ color: oklch(56.6% 0.139 250.5);

Tailwind

colors: {
  custom: {
    50: '#7a9fd6',
    500: '#2879c4',
    950: '#000000',
  },
}

SCSS

$custom: #2879c4;
$custom-light: #7a9fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#2879c4",
  "rgb": {
    "r": 40,
    "g": 121,
    "b": 196
  },
  "hsl": {
    "h": 208.846,
    "s": 66.102,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56556,
    "c": 0.13903,
    "h": 250.5
  },
  "luminance": 0.18111
}

Semantic roles & 50–950 ramp

primary

#2879C4

secondary

#CEA27A

accent

#913FE9

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #2879C4

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

Preview Lab → · Contrast checker → · Palette generator →