#575AB9#575AB9

#575AB9 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.147 H 278.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#575AB9
RGB	rgb(87, 90, 185)
HSL	hsl(238, 41%, 53%)
HSV	hsv(238, 53%, 73%)
CMYK	cmyk(53%, 51.4%, 0%, 27.5%)
CIE-LAB	lab(42.52, 25.78, -50.79)
CIE-LCH	lch(42.52, 56.96, 296.91°)
OKLab	oklab(51.46% 0.0218 -0.145)
OKLCH	oklch(51.46% 0.147 278.6)
XYZ	xyz(16.3409, 12.8403, 47.5069)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575AB9 #B9B657

analogous

#578BB9 #575AB9 #8557B9

triadic

#575AB9 #B9575A #5AB957

tetradic

#575AB9 #B9578B #B9B657 #57B985

square

#575AB9 #B9578B #B9B657 #57B985

split-complementary

#575AB9 #B98557 #8BB957

monochromatic

#2C2E6A #3E4195 #575AB9 #8284CB #ADAFDD

Accessibility & contrast

On white

5.89

#575AB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#575AB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575AB9

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575AB9	#FFFFFF	#000000	##FFFFFF
##575AB9	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A68BC

Deuteranopia (green-blind)

#1D61B7

Tritanopia (blue-blind)

#2C6F81

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #575ab9;
/* rgb */ color: rgb(87, 90, 185);
/* oklch */ color: oklch(51.5% 0.147 278.6);

Tailwind

colors: {
  custom: {
    50: '#8e88cf',
    500: '#575ab9',
    950: '#000000',
  },
}

SCSS

$custom: #575ab9;
$custom-light: #8e88cf;
$custom-dark: #000000;

JSON

{
  "hex": "#575ab9",
  "rgb": {
    "r": 87,
    "g": 90,
    "b": 185
  },
  "hsl": {
    "h": 238.163,
    "s": 41.176,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51463,
    "c": 0.1466,
    "h": 278.6
  },
  "luminance": 0.12841
}

Semantic roles & 50–950 ramp

primary

#575AB9

secondary

#CBCAA1

accent

#CD57D1

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #575AB9

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

Preview Lab → · Contrast checker → · Palette generator →