#4279C4#4279C4

#4279C4 is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.5% C 0.130 H 256.7°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4279C4
RGB	rgb(66, 121, 196)
HSL	hsl(215, 52%, 51%)
HSV	hsv(215, 66%, 77%)
CMYK	cmyk(66.3%, 38.3%, 0%, 23.1%)
CIE-LAB	lab(50.47, 6.06, -44.52)
CIE-LCH	lch(50.47, 44.93, 277.76°)
OKLab	oklab(57.45% -0.0299 -0.1266)
OKLCH	oklch(57.45% 0.13 256.7)
XYZ	xyz(19.0443, 18.8166, 54.8422)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4279C4 #C48D42

analogous

#42BAC4 #4279C4 #4C42C4

triadic

#4279C4 #C44279 #79C442

tetradic

#4279C4 #C442BA #C48D42 #42C44C

square

#4279C4 #C442BA #C48D42 #42C44C

split-complementary

#4279C4 #C44C42 #BAC442

monochromatic

#21406A #305C99 #4279C4 #719AD3 #9FBBE1

Accessibility & contrast

On white

4.41

#4279C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4279C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4279C4

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4279C4	#FFFFFF	#000000	##000000
##4279C4	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587FC7

Deuteranopia (green-blind)

#4573C2

Tritanopia (blue-blind)

#008A95

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4279c4;
/* rgb */ color: rgb(66, 121, 196);
/* oklch */ color: oklch(57.5% 0.130 256.7);

Tailwind

colors: {
  custom: {
    50: '#849fd6',
    500: '#4279c4',
    950: '#000000',
  },
}

SCSS

$custom: #4279c4;
$custom-light: #849fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#4279c4",
  "rgb": {
    "r": 66,
    "g": 121,
    "b": 196
  },
  "hsl": {
    "h": 214.615,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57451,
    "c": 0.13012,
    "h": 256.7
  },
  "luminance": 0.18819
}

Semantic roles & 50–950 ramp

primary

#4279C4

secondary

#CEB594

accent

#9F4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4279C4

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

Preview Lab → · Contrast checker → · Palette generator →