#575CB8#575CB8

#575CB8 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.8% C 0.142 H 277.8°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#575CB8
RGB	rgb(87, 92, 184)
HSL	hsl(237, 41%, 53%)
HSV	hsv(237, 53%, 72%)
CMYK	cmyk(52.7%, 50%, 0%, 27.8%)
CIE-LAB	lab(42.97, 24.20, -49.48)
CIE-LCH	lch(42.97, 55.08, 296.06°)
OKLab	oklab(51.78% 0.0194 -0.1411)
OKLCH	oklch(51.78% 0.142 277.8)
XYZ	xyz(16.4066, 13.1402, 47.0099)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575CB8 #B8B357

analogous

#578CB8 #575CB8 #8257B8

triadic

#575CB8 #B8575C #5CB857

tetradic

#575CB8 #B8578C #B8B357 #57B882

square

#575CB8 #B8578C #B8B357 #57B882

split-complementary

#575CB8 #B88257 #8CB857

monochromatic

#2C2F68 #3E4393 #575CB8 #8286CA #ADAFDC

Accessibility & contrast

On white

5.79

#575CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#575CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575CB8

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575CB8	#FFFFFF	#000000	##FFFFFF
##575CB8	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F69BB

Deuteranopia (green-blind)

#2462B6

Tritanopia (blue-blind)

#2D7081

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #575cb8;
/* rgb */ color: rgb(87, 92, 184);
/* oklch */ color: oklch(51.8% 0.142 277.8);

Tailwind

colors: {
  custom: {
    50: '#8d8ace',
    500: '#575cb8',
    950: '#000000',
  },
}

SCSS

$custom: #575cb8;
$custom-light: #8d8ace;
$custom-dark: #000000;

JSON

{
  "hex": "#575cb8",
  "rgb": {
    "r": 87,
    "g": 92,
    "b": 184
  },
  "hsl": {
    "h": 236.907,
    "s": 40.586,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51783,
    "c": 0.14243,
    "h": 277.8
  },
  "luminance": 0.13141
}

Semantic roles & 50–950 ramp

primary

#575CB8

secondary

#CAC8A0

accent

#CA57D0

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #575CB8

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

Preview Lab → · Contrast checker → · Palette generator →