#576CDD#576CDD

#576CDD is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.4% C 0.173 H 272.0°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#576CDD
RGB	rgb(87, 108, 221)
HSL	hsl(231, 66%, 60%)
HSV	hsv(231, 61%, 87%)
CMYK	cmyk(60.6%, 51.1%, 0%, 13.3%)
CIE-LAB	lab(49.46, 26.41, -60.31)
CIE-LCH	lch(49.46, 65.84, 293.65°)
OKLab	oklab(57.43% 0.0059 -0.1728)
OKLCH	oklch(57.43% 0.173 272)
XYZ	xyz(22.3398, 17.9700, 70.6839)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576CDD #DDC857

analogous

#57AFDD #576CDD #8557DD

triadic

#576CDD #DD576C #6CDD57

tetradic

#576CDD #DD57AF #DDC857 #57DD85

square

#576CDD #DD57AF #DDC857 #57DD85

split-complementary

#576CDD #DD8557 #AFDD57

monochromatic

#1F339A #2A43CD #576CDD #8A99E7 #BDC5F2

Accessibility & contrast

On white

4.57

#576CDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#576CDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #576CDD

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576CDD	#FFFFFF	#000000	##000000
##576CDD	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B7CE1

Deuteranopia (green-blind)

#0070DB

Tritanopia (blue-blind)

#00869A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #576cdd;
/* rgb */ color: rgb(87, 108, 221);
/* oklch */ color: oklch(57.4% 0.173 272.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#576cdd",
  "rgb": {
    "r": 87,
    "g": 108,
    "b": 221
  },
  "hsl": {
    "h": 230.597,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.57432,
    "c": 0.17289,
    "h": 272
  },
  "luminance": 0.17972
}

Semantic roles & 50–950 ramp

primary

#576CDD

secondary

#E1D9AE

accent

#B217CE

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #576CDD

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

Preview Lab → · Contrast checker → · Palette generator →