#427DC7#427DC7

#427DC7 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.5% C 0.130 H 255.2°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#427DC7
RGB	rgb(66, 125, 199)
HSL	hsl(213, 54%, 52%)
HSV	hsv(213, 67%, 78%)
CMYK	cmyk(66.8%, 37.2%, 0%, 22%)
CIE-LAB	lab(51.78, 4.68, -44.17)
CIE-LCH	lch(51.78, 44.41, 276.05°)
OKLab	oklab(58.52% -0.0332 -0.1255)
OKLCH	oklch(58.52% 0.13 255.2)
XYZ	xyz(19.8854, 19.9470, 56.8239)
Luminance	0.1995 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DC7 #C78C42

analogous

#42C0C7 #427DC7 #4942C7

triadic

#427DC7 #C7427D #7DC742

tetradic

#427DC7 #C742C0 #C78C42 #42C749

square

#427DC7 #C742C0 #C78C42 #42C749

split-complementary

#427DC7 #C74942 #C0C742

monochromatic

#21436E #2F609D #427DC7 #719DD5 #A0BEE3

Accessibility & contrast

On white

4.21

#427DC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#427DC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DC7

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DC7	#FFFFFF	#000000	##000000
##427DC7	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C82CA

Deuteranopia (green-blind)

#4976C5

Tritanopia (blue-blind)

#008E98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #427dc7;
/* rgb */ color: rgb(66, 125, 199);
/* oklch */ color: oklch(58.5% 0.130 255.2);

Tailwind

colors: {
  custom: {
    50: '#84a2d8',
    500: '#427dc7',
    950: '#000000',
  },
}

SCSS

$custom: #427dc7;
$custom-light: #84a2d8;
$custom-dark: #000000;

JSON

{
  "hex": "#427dc7",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 199
  },
  "hsl": {
    "h": 213.383,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.5852,
    "c": 0.12986,
    "h": 255.2
  },
  "luminance": 0.19949
}

Semantic roles & 50–950 ramp

primary

#427DC7

secondary

#D0B695

accent

#9C4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #427DC7

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

Preview Lab → · Contrast checker → · Palette generator →