#427ADE#427ADE

#427ADE is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.3% C 0.164 H 261.0°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#427ADE
RGB	rgb(66, 122, 222)
HSL	hsl(218, 70%, 56%)
HSV	hsv(218, 70%, 87%)
CMYK	cmyk(70.3%, 45%, 0%, 12.9%)
CIE-LAB	lab(52.23, 14.69, -56.48)
CIE-LCH	lch(52.23, 58.36, 284.58°)
OKLab	oklab(59.29% -0.0256 -0.1617)
OKLCH	oklch(59.29% 0.164 261)
XYZ	xyz(22.3864, 20.3489, 71.8410)
Luminance	0.2035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ADE #DEA642

analogous

#42C8DE #427ADE #5842DE

triadic

#427ADE #DE427A #7ADE42

tetradic

#427ADE #DE42C8 #DEA642 #42DE58

square

#427ADE #DE42C8 #DEA642 #42DE58

split-complementary

#427ADE #DE5842 #C8DE42

monochromatic

#19428D #225BC1 #427ADE #769FE7 #AAC3F0

Accessibility & contrast

On white

4.14

#427ADE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#427ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ADE

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ADE	#FFFFFF	#000000	##000000
##427ADE	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4784E2

Deuteranopia (green-blind)

#2876DC

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #427ade;
/* rgb */ color: rgb(66, 122, 222);
/* oklch */ color: oklch(59.3% 0.164 261.0);

Tailwind

colors: {
  custom: {
    50: '#889fe9',
    500: '#427ade',
    950: '#000000',
  },
}

SCSS

$custom: #427ade;
$custom-light: #889fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#427ade",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 222
  },
  "hsl": {
    "h": 218.462,
    "s": 70.27,
    "l": 56.471
  },
  "oklch": {
    "l": 0.5929,
    "c": 0.16374,
    "h": 261
  },
  "luminance": 0.20351
}

Semantic roles & 50–950 ramp

primary

#427ADE

secondary

#DEC79E

accent

#AD3BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #427ADE

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

Preview Lab → · Contrast checker → · Palette generator →