#427DC8#427DC8

#427DC8 is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.6% C 0.131 H 255.4°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#427DC8
RGB	rgb(66, 125, 200)
HSL	hsl(214, 55%, 52%)
HSV	hsv(214, 67%, 78%)
CMYK	cmyk(67%, 37.5%, 0%, 21.6%)
CIE-LAB	lab(51.83, 5.03, -44.65)
CIE-LCH	lch(51.83, 44.93, 276.43°)
OKLab	oklab(58.58% -0.033 -0.127)
OKLCH	oklch(58.58% 0.131 255.4)
XYZ	xyz(20.0019, 19.9936, 57.4374)
Luminance	0.2000 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DC8 #C88D42

analogous

#42C0C8 #427DC8 #4A42C8

triadic

#427DC8 #C8427D #7DC842

tetradic

#427DC8 #C842C0 #C88D42 #42C84A

square

#427DC8 #C842C0 #C88D42 #42C84A

split-complementary

#427DC8 #C84A42 #C0C842

monochromatic

#20436F #2E609F #427DC8 #719ED6 #A1BEE4

Accessibility & contrast

On white

4.20

#427DC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#427DC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DC8

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DC8	#FFFFFF	#000000	##000000
##427DC8	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C82CB

Deuteranopia (green-blind)

#4876C6

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427dc8;
/* rgb */ color: rgb(66, 125, 200);
/* oklch */ color: oklch(58.6% 0.131 255.4);

Tailwind

colors: {
  custom: {
    50: '#84a2d9',
    500: '#427dc8',
    950: '#000000',
  },
}

SCSS

$custom: #427dc8;
$custom-light: #84a2d9;
$custom-dark: #000000;

JSON

{
  "hex": "#427dc8",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 200
  },
  "hsl": {
    "h": 213.582,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58578,
    "c": 0.13117,
    "h": 255.4
  },
  "luminance": 0.19996
}

Semantic roles & 50–950 ramp

primary

#427DC8

secondary

#D0B696

accent

#9D4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #427DC8

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

Preview Lab → · Contrast checker → · Palette generator →