#576CCC#576CCC

#576CCC is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.3% C 0.149 H 271.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#576CCC
RGB	rgb(87, 108, 204)
HSL	hsl(229, 53%, 57%)
HSV	hsv(229, 57%, 80%)
CMYK	cmyk(57.4%, 47.1%, 0%, 20%)
CIE-LAB	lab(48.40, 20.75, -52.35)
CIE-LCH	lch(48.40, 56.31, 291.62°)
OKLab	oklab(56.29% 0.0041 -0.1494)
OKLCH	oklch(56.29% 0.149 271.6)
XYZ	xyz(20.1885, 17.1095, 59.3536)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576CCC #CCB757

analogous

#57A7CC #576CCC #7D57CC

triadic

#576CCC #CC576C #6CCC57

tetradic

#576CCC #CC57A7 #CCB757 #57CC7D

square

#576CCC #CC57A7 #CCB757 #57CC7D

split-complementary

#576CCC #CC7D57 #A7CC57

monochromatic

#273781 #364CB0 #576CCC #8695DA #B5BEE9

Accessibility & contrast

On white

4.75

#576CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#576CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576CCC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576CCC	#FFFFFF	#000000	##FFFFFF
##576CCC	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E78D0

Deuteranopia (green-blind)

#2D6ECA

Tritanopia (blue-blind)

#018192

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #576ccc;
/* rgb */ color: rgb(87, 108, 204);
/* oklch */ color: oklch(56.3% 0.149 271.6);

Tailwind

colors: {
  custom: {
    50: '#9095dc',
    500: '#576ccc',
    950: '#000000',
  },
}

SCSS

$custom: #576ccc;
$custom-light: #9095dc;
$custom-dark: #000000;

JSON

{
  "hex": "#576ccc",
  "rgb": {
    "r": 87,
    "g": 108,
    "b": 204
  },
  "hsl": {
    "h": 229.231,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56287,
    "c": 0.14943,
    "h": 271.6
  },
  "luminance": 0.17111
}

Semantic roles & 50–950 ramp

primary

#576CCC

secondary

#D7CFA8

accent

#C34BDD

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #576CCC

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

Preview Lab → · Contrast checker → · Palette generator →