#575EB0#575EB0

#575EB0 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.7% C 0.128 H 277.2°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#575EB0
RGB	rgb(87, 94, 176)
HSL	hsl(235, 36%, 52%)
HSV	hsv(235, 51%, 69%)
CMYK	cmyk(50.6%, 46.6%, 0%, 31%)
CIE-LAB	lab(43.01, 20.37, -44.74)
CIE-LCH	lch(43.01, 49.16, 294.48°)
OKLab	oklab(51.65% 0.0162 -0.1271)
OKLCH	oklch(51.65% 0.128 277.2)
XYZ	xyz(15.7672, 13.1653, 42.7762)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575EB0 #B0A957

analogous

#578BB0 #575EB0 #7D57B0

triadic

#575EB0 #B0575E #5EB057

tetradic

#575EB0 #B0578B #B0A957 #57B07D

square

#575EB0 #B0578B #B0A957 #57B07D

split-complementary

#575EB0 #B07D57 #8BB057

monochromatic

#2D3160 #414689 #575EB0 #8186C4 #AAAED7

Accessibility & contrast

On white

5.78

#575EB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#575EB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575EB0

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575EB0	#FFFFFF	#000000	##FFFFFF
##575EB0	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B69B3

Deuteranopia (green-blind)

#3262AE

Tritanopia (blue-blind)

#33707E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #575eb0;
/* rgb */ color: rgb(87, 94, 176);
/* oklch */ color: oklch(51.7% 0.128 277.2);

Tailwind

colors: {
  custom: {
    50: '#8c8bc8',
    500: '#575eb0',
    950: '#000000',
  },
}

SCSS

$custom: #575eb0;
$custom-light: #8c8bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#575eb0",
  "rgb": {
    "r": 87,
    "g": 94,
    "b": 176
  },
  "hsl": {
    "h": 235.281,
    "s": 36.032,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51654,
    "c": 0.12816,
    "h": 277.2
  },
  "luminance": 0.13166
}

Semantic roles & 50–950 ramp

primary

#575EB0

secondary

#C5C29E

accent

#C35CCC

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0D0C13

muted

#7D7D82

Preview Lab

Preview with #575EB0

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

Preview Lab → · Contrast checker → · Palette generator →