#427DC4#427DC4

#427DC4 is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.3% C 0.126 H 254.4°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#427DC4
RGB	rgb(66, 125, 196)
HSL	hsl(213, 52%, 51%)
HSV	hsv(213, 66%, 77%)
CMYK	cmyk(66.3%, 36.2%, 0%, 23.1%)
CIE-LAB	lab(51.62, 3.63, -42.70)
CIE-LCH	lch(51.62, 42.86, 274.86°)
OKLab	oklab(58.35% -0.034 -0.1212)
OKLCH	oklch(58.35% 0.126 254.4)
XYZ	xyz(19.5406, 19.8090, 55.0076)
Luminance	0.1981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DC4 #C48942

analogous

#42BEC4 #427DC4 #4842C4

triadic

#427DC4 #C4427D #7DC442

tetradic

#427DC4 #C442BE #C48942 #42C448

square

#427DC4 #C442BE #C48942 #42C448

split-complementary

#427DC4 #C44842 #BEC442

monochromatic

#21426A #306099 #427DC4 #719DD3 #9FBDE1

Accessibility & contrast

On white

4.23

#427DC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#427DC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DC4

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DC4	#FFFFFF	#000000	##000000
##427DC4	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E82C7

Deuteranopia (green-blind)

#4B75C3

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #427dc4;
/* rgb */ color: rgb(66, 125, 196);
/* oklch */ color: oklch(58.3% 0.126 254.4);

Tailwind

colors: {
  custom: {
    50: '#84a2d6',
    500: '#427dc4',
    950: '#000000',
  },
}

SCSS

$custom: #427dc4;
$custom-light: #84a2d6;
$custom-dark: #000000;

JSON

{
  "hex": "#427dc4",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 196
  },
  "hsl": {
    "h": 212.769,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58347,
    "c": 0.12592,
    "h": 254.4
  },
  "luminance": 0.19811
}

Semantic roles & 50–950 ramp

primary

#427DC4

secondary

#CEB494

accent

#9B4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #427DC4

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

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