#427CC4#427CC4

#427CC4 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.1% C 0.127 H 255.0°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#427CC4
RGB	rgb(66, 124, 196)
HSL	hsl(213, 52%, 51%)
HSV	hsv(213, 66%, 77%)
CMYK	cmyk(66.3%, 36.7%, 0%, 23.1%)
CIE-LAB	lab(51.33, 4.24, -43.16)
CIE-LCH	lch(51.33, 43.36, 275.61°)
OKLab	oklab(58.12% -0.0329 -0.1226)
OKLCH	oklch(58.12% 0.127 255)
XYZ	xyz(19.4146, 19.5571, 54.9656)
Luminance	0.1956 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CC4 #C48A42

analogous

#42BDC4 #427CC4 #4942C4

triadic

#427CC4 #C4427C #7CC442

tetradic

#427CC4 #C442BD #C48A42 #42C449

square

#427CC4 #C442BD #C48A42 #42C449

split-complementary

#427CC4 #C44942 #BDC442

monochromatic

#21426A #305F99 #427CC4 #719CD3 #9FBDE1

Accessibility & contrast

On white

4.28

#427CC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#427CC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CC4

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CC4	#FFFFFF	#000000	##000000
##427CC4	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C81C7

Deuteranopia (green-blind)

#4A75C3

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #427cc4;
/* rgb */ color: rgb(66, 124, 196);
/* oklch */ color: oklch(58.1% 0.127 255.0);

Tailwind

colors: {
  custom: {
    50: '#84a1d6',
    500: '#427cc4',
    950: '#000000',
  },
}

SCSS

$custom: #427cc4;
$custom-light: #84a1d6;
$custom-dark: #000000;

JSON

{
  "hex": "#427cc4",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 196
  },
  "hsl": {
    "h": 213.231,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58122,
    "c": 0.12695,
    "h": 255
  },
  "luminance": 0.19559
}

Semantic roles & 50–950 ramp

primary

#427CC4

secondary

#CEB494

accent

#9C4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #427CC4

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

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