#576BDD#576BDD

#576BDD is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.2% C 0.174 H 272.3°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#576BDD
RGB	rgb(87, 107, 221)
HSL	hsl(231, 66%, 60%)
HSV	hsv(231, 61%, 87%)
CMYK	cmyk(60.6%, 51.6%, 0%, 13.3%)
CIE-LAB	lab(49.20, 27.03, -60.72)
CIE-LCH	lch(49.20, 66.47, 294.00°)
OKLab	oklab(57.24% 0.0069 -0.174)
OKLCH	oklch(57.24% 0.174 272.3)
XYZ	xyz(22.2350, 17.7603, 70.6489)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BDD #DDC957

analogous

#57AEDD #576BDD #8657DD

triadic

#576BDD #DD576B #6BDD57

tetradic

#576BDD #DD57AE #DDC957 #57DD86

square

#576BDD #DD57AE #DDC957 #57DD86

split-complementary

#576BDD #DD8657 #AEDD57

monochromatic

#1F329A #2A42CD #576BDD #8A98E7 #BDC5F2

Accessibility & contrast

On white

4.61

#576BDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#576BDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #576BDD

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BDD	#FFFFFF	#000000	##FFFFFF
##576BDD	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#287BE1

Deuteranopia (green-blind)

#006FDB

Tritanopia (blue-blind)

#00859A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #576bdd;
/* rgb */ color: rgb(87, 107, 221);
/* oklch */ color: oklch(57.2% 0.174 272.3);

Tailwind

colors: {
  custom: {
    50: '#9295e8',
    500: '#576bdd',
    950: '#000000',
  },
}

SCSS

$custom: #576bdd;
$custom-light: #9295e8;
$custom-dark: #000000;

JSON

{
  "hex": "#576bdd",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 221
  },
  "hsl": {
    "h": 231.045,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.57239,
    "c": 0.17416,
    "h": 272.3
  },
  "luminance": 0.17762
}

Semantic roles & 50–950 ramp

primary

#576BDD

secondary

#E1DAAE

accent

#B317CE

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #576BDD

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

Preview Lab → · Contrast checker → · Palette generator →