#576FBC#576FBC

#576FBC is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.9% C 0.123 H 269.1°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#576FBC
RGB	rgb(87, 111, 188)
HSL	hsl(226, 43%, 54%)
HSV	hsv(226, 54%, 74%)
CMYK	cmyk(53.7%, 41%, 0%, 26.3%)
CIE-LAB	lab(48.29, 13.63, -43.32)
CIE-LCH	lch(48.29, 45.41, 287.47°)
OKLab	oklab(55.91% -0.0019 -0.1228)
OKLCH	oklch(55.91% 0.123 269.1)
XYZ	xyz(18.6890, 17.0246, 49.8685)
Luminance	0.1703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576FBC #BCA457

analogous

#57A2BC #576FBC #7257BC

triadic

#576FBC #BC576F #6FBC57

tetradic

#576FBC #BC57A2 #BCA457 #57BC72

square

#576FBC #BC57A2 #BCA457 #57BC72

split-complementary

#576FBC #BC7257 #A2BC57

monochromatic

#2C3B6D #3D5399 #576FBC #8395CD #AFBADF

Accessibility & contrast

On white

4.77

#576FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#576FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576FBC

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576FBC	#FFFFFF	#000000	##FFFFFF
##576FBC	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F77BF

Deuteranopia (green-blind)

#446EBA

Tritanopia (blue-blind)

#24808C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #576fbc;
/* rgb */ color: rgb(87, 111, 188);
/* oklch */ color: oklch(55.9% 0.123 269.1);

Tailwind

colors: {
  custom: {
    50: '#8d98d0',
    500: '#576fbc',
    950: '#000000',
  },
}

SCSS

$custom: #576fbc;
$custom-light: #8d98d0;
$custom-dark: #000000;

JSON

{
  "hex": "#576fbc",
  "rgb": {
    "r": 87,
    "g": 111,
    "b": 188
  },
  "hsl": {
    "h": 225.743,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.55908,
    "c": 0.12286,
    "h": 269.1
  },
  "luminance": 0.17026
}

Semantic roles & 50–950 ramp

primary

#576FBC

secondary

#CDC3A2

accent

#B555D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #576FBC

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

Preview Lab → · Contrast checker → · Palette generator →