#576CB9#576CB9

#576CB9 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.1% C 0.122 H 270.5°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#576CB9
RGB	rgb(87, 108, 185)
HSL	hsl(227, 41%, 53%)
HSV	hsv(227, 53%, 73%)
CMYK	cmyk(53%, 41.6%, 0%, 27.5%)
CIE-LAB	lab(47.30, 14.52, -43.15)
CIE-LCH	lch(47.30, 45.53, 288.60°)
OKLab	oklab(55.1% 0.001 -0.1224)
OKLCH	oklch(55.1% 0.122 270.5)
XYZ	xyz(18.0471, 16.2529, 48.0757)
Luminance	0.1625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576CB9 #B9A457

analogous

#579DB9 #576CB9 #7357B9

triadic

#576CB9 #B9576C #6CB957

tetradic

#576CB9 #B9579D #B9A457 #57B973

square

#576CB9 #B9579D #B9A457 #57B973

split-complementary

#576CB9 #B97357 #9DB957

monochromatic

#2C396A #3E5195 #576CB9 #8292CB #ADB8DD

Accessibility & contrast

On white

4.94

#576CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#576CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576CB9

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576CB9	#FFFFFF	#000000	##FFFFFF
##576CB9	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C75BC

Deuteranopia (green-blind)

#416CB7

Tritanopia (blue-blind)

#287D89

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #576cb9;
/* rgb */ color: rgb(87, 108, 185);
/* oklch */ color: oklch(55.1% 0.122 270.5);

Tailwind

colors: {
  custom: {
    50: '#8d95ce',
    500: '#576cb9',
    950: '#000000',
  },
}

SCSS

$custom: #576cb9;
$custom-light: #8d95ce;
$custom-dark: #000000;

JSON

{
  "hex": "#576cb9",
  "rgb": {
    "r": 87,
    "g": 108,
    "b": 185
  },
  "hsl": {
    "h": 227.143,
    "s": 41.176,
    "l": 53.333
  },
  "oklch": {
    "l": 0.55097,
    "c": 0.12238,
    "h": 270.5
  },
  "luminance": 0.16254
}

Semantic roles & 50–950 ramp

primary

#576CB9

secondary

#CBC2A1

accent

#B757D1

background

#F9F9FC

surface

#F1F1F9

border

#CBCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #576CB9

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

Preview Lab → · Contrast checker → · Palette generator →