#575CB0#575CB0

#575CB0 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.3% C 0.131 H 278.1°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#575CB0
RGB	rgb(87, 92, 176)
HSL	hsl(237, 36%, 52%)
HSV	hsv(237, 51%, 69%)
CMYK	cmyk(50.6%, 47.7%, 0%, 31%)
CIE-LAB	lab(42.48, 21.63, -45.58)
CIE-LCH	lch(42.48, 50.45, 295.39°)
OKLab	oklab(51.25% 0.0186 -0.1296)
OKLCH	oklch(51.25% 0.131 278.1)
XYZ	xyz(15.5917, 12.8142, 42.7177)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575CB0 #B0AB57

analogous

#5789B0 #575CB0 #7F57B0

triadic

#575CB0 #B0575C #5CB057

tetradic

#575CB0 #B05789 #B0AB57 #57B07F

square

#575CB0 #B05789 #B0AB57 #57B07F

split-complementary

#575CB0 #B07F57 #89B057

monochromatic

#2D3060 #414589 #575CB0 #8184C4 #AAADD7

Accessibility & contrast

On white

5.89

#575CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#575CB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575CB0

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575CB0	#FFFFFF	#000000	##FFFFFF
##575CB0	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3768B3

Deuteranopia (green-blind)

#2F61AE

Tritanopia (blue-blind)

#346E7D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #575cb0;
/* rgb */ color: rgb(87, 92, 176);
/* oklch */ color: oklch(51.3% 0.131 278.1);

Tailwind

colors: {
  custom: {
    50: '#8c8ac8',
    500: '#575cb0',
    950: '#000000',
  },
}

SCSS

$custom: #575cb0;
$custom-light: #8c8ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#575cb0",
  "rgb": {
    "r": 87,
    "g": 92,
    "b": 176
  },
  "hsl": {
    "h": 236.629,
    "s": 36.032,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51253,
    "c": 0.13096,
    "h": 278.1
  },
  "luminance": 0.12815
}

Semantic roles & 50–950 ramp

primary

#575CB0

secondary

#C5C39E

accent

#C65CCC

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0D0B13

muted

#7D7C82

Preview Lab

Preview with #575CB0

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

Preview Lab → · Contrast checker → · Palette generator →