#576CBB#576CBB

#576CBB is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.2% C 0.125 H 270.6°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#576CBB
RGB	rgb(87, 108, 187)
HSL	hsl(227, 42%, 54%)
HSV	hsv(227, 53%, 73%)
CMYK	cmyk(53.5%, 42.2%, 0%, 26.7%)
CIE-LAB	lab(47.41, 15.17, -44.13)
CIE-LCH	lch(47.41, 46.67, 288.97°)
OKLab	oklab(55.22% 0.0014 -0.1253)
OKLCH	oklch(55.22% 0.125 270.6)
XYZ	xyz(18.2598, 16.3380, 49.1954)
Luminance	0.1634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576CBB #BBA657

analogous

#579EBB #576CBB #7457BB

triadic

#576CBB #BB576C #6CBB57

tetradic

#576CBB #BB579E #BBA657 #57BB74

square

#576CBB #BB579E #BBA657 #57BB74

split-complementary

#576CBB #BB7457 #9EBB57

monochromatic

#2C396C #3D5097 #576CBB #8392CD #AEB8DE

Accessibility & contrast

On white

4.92

#576CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#576CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576CBB

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576CBB	#FFFFFF	#000000	##FFFFFF
##576CBB	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B75BE

Deuteranopia (green-blind)

#406CB9

Tritanopia (blue-blind)

#267D8A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #576cbb;
/* rgb */ color: rgb(87, 108, 187);
/* oklch */ color: oklch(55.2% 0.125 270.6);

Tailwind

colors: {
  custom: {
    50: '#8d95d0',
    500: '#576cbb',
    950: '#000000',
  },
}

SCSS

$custom: #576cbb;
$custom-light: #8d95d0;
$custom-dark: #000000;

JSON

{
  "hex": "#576cbb",
  "rgb": {
    "r": 87,
    "g": 108,
    "b": 187
  },
  "hsl": {
    "h": 227.4,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.55218,
    "c": 0.12527,
    "h": 270.6
  },
  "luminance": 0.16339
}

Semantic roles & 50–950 ramp

primary

#576CBB

secondary

#CCC3A2

accent

#B856D2

background

#F9F9FC

surface

#F1F1F9

border

#CBCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #576CBB

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

Preview Lab → · Contrast checker → · Palette generator →