#576FDB#576FDB

#576FDB is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.9% C 0.166 H 271.0°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#576FDB
RGB	rgb(87, 111, 219)
HSL	hsl(229, 65%, 60%)
HSV	hsv(229, 60%, 86%)
CMYK	cmyk(60.3%, 49.3%, 0%, 14.1%)
CIE-LAB	lab(50.11, 23.89, -58.14)
CIE-LCH	lch(50.11, 62.86, 292.34°)
OKLab	oklab(57.88% 0.0028 -0.1664)
OKLCH	oklch(57.88% 0.166 271)
XYZ	xyz(22.3968, 18.5078, 69.3962)
Luminance	0.1851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576FDB #DBC357

analogous

#57B1DB #576FDB #8157DB

triadic

#576FDB #DB576F #6FDB57

tetradic

#576FDB #DB57B1 #DBC357 #57DB81

square

#576FDB #DB57B1 #DBC357 #57DB81

split-complementary

#576FDB #DB8157 #B1DB57

monochromatic

#203697 #2B48CA #576FDB #899AE6 #BCC5F1

Accessibility & contrast

On white

4.47

#576FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#576FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #576FDB

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576FDB	#FFFFFF	#000000	##000000
##576FDB	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367DDF

Deuteranopia (green-blind)

#1A72D9

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #576fdb;
/* rgb */ color: rgb(87, 111, 219);
/* oklch */ color: oklch(57.9% 0.166 271.0);

Tailwind

colors: {
  custom: {
    50: '#9298e7',
    500: '#576fdb',
    950: '#000000',
  },
}

SCSS

$custom: #576fdb;
$custom-light: #9298e7;
$custom-dark: #000000;

JSON

{
  "hex": "#576fdb",
  "rgb": {
    "r": 87,
    "g": 111,
    "b": 219
  },
  "hsl": {
    "h": 229.091,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.5788,
    "c": 0.16638,
    "h": 271
  },
  "luminance": 0.1851
}

Semantic roles & 50–950 ramp

primary

#576FDB

secondary

#E0D7AD

accent

#C940E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #576FDB

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

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