#427AC8#427AC8

#427AC8 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.9% C 0.134 H 257.1°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#427AC8
RGB	rgb(66, 122, 200)
HSL	hsl(215, 55%, 52%)
HSV	hsv(215, 67%, 78%)
CMYK	cmyk(67%, 39%, 0%, 21.6%)
CIE-LAB	lab(50.97, 6.86, -46.01)
CIE-LCH	lch(50.97, 46.52, 278.48°)
OKLab	oklab(57.91% -0.03 -0.131)
OKLCH	oklch(57.91% 0.134 257.1)
XYZ	xyz(19.6279, 19.2455, 57.3127)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427AC8 #C89042

analogous

#42BDC8 #427AC8 #4D42C8

triadic

#427AC8 #C8427A #7AC842

tetradic

#427AC8 #C842BD #C89042 #42C84D

square

#427AC8 #C842BD #C89042 #42C84D

split-complementary

#427AC8 #C84D42 #BDC842

monochromatic

#20416F #2E5D9F #427AC8 #719BD6 #A1BDE4

Accessibility & contrast

On white

4.33

#427AC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#427AC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427AC8

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427AC8	#FFFFFF	#000000	##000000
##427AC8	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5780CB

Deuteranopia (green-blind)

#4374C6

Tritanopia (blue-blind)

#008C97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427ac8;
/* rgb */ color: rgb(66, 122, 200);
/* oklch */ color: oklch(57.9% 0.134 257.1);

Tailwind

colors: {
  custom: {
    50: '#84a0d9',
    500: '#427ac8',
    950: '#000000',
  },
}

SCSS

$custom: #427ac8;
$custom-light: #84a0d9;
$custom-dark: #000000;

JSON

{
  "hex": "#427ac8",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 200
  },
  "hsl": {
    "h": 214.925,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57911,
    "c": 0.13438,
    "h": 257.1
  },
  "luminance": 0.19247
}

Semantic roles & 50–950 ramp

primary

#427AC8

secondary

#D0B896

accent

#A04ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #427AC8

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

Preview Lab → · Contrast checker → · Palette generator →