#575CB2#575CB2

#575CB2 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.4% C 0.134 H 278.1°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#575CB2
RGB	rgb(87, 92, 178)
HSL	hsl(237, 37%, 52%)
HSV	hsv(237, 51%, 70%)
CMYK	cmyk(51.1%, 48.3%, 0%, 30.2%)
CIE-LAB	lab(42.60, 22.27, -46.56)
CIE-LCH	lch(42.60, 51.61, 295.56°)
OKLab	oklab(51.38% 0.0188 -0.1325)
OKLCH	oklch(51.38% 0.134 278.1)
XYZ	xyz(15.7910, 12.8940, 43.7675)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575CB2 #B2AD57

analogous

#578AB2 #575CB2 #8057B2

triadic

#575CB2 #B2575C #5CB257

tetradic

#575CB2 #B2578A #B2AD57 #57B280

square

#575CB2 #B2578A #B2AD57 #57B280

split-complementary

#575CB2 #B28057 #8AB257

monochromatic

#2D3062 #40448C #575CB2 #8185C5 #ABADD8

Accessibility & contrast

On white

5.87

#575CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#575CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575CB2

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575CB2	#FFFFFF	#000000	##FFFFFF
##575CB2	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3568B5

Deuteranopia (green-blind)

#2C61B0

Tritanopia (blue-blind)

#326F7E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #575cb2;
/* rgb */ color: rgb(87, 92, 178);
/* oklch */ color: oklch(51.4% 0.134 278.1);

Tailwind

colors: {
  custom: {
    50: '#8d8ac9',
    500: '#575cb2',
    950: '#000000',
  },
}

SCSS

$custom: #575cb2;
$custom-light: #8d8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#575cb2",
  "rgb": {
    "r": 87,
    "g": 92,
    "b": 178
  },
  "hsl": {
    "h": 236.703,
    "s": 37.143,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51383,
    "c": 0.13385,
    "h": 278.1
  },
  "luminance": 0.12895
}

Semantic roles & 50–950 ramp

primary

#575CB2

secondary

#C6C49E

accent

#C75BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0D0B13

muted

#7D7C82

Preview Lab

Preview with #575CB2

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

Preview Lab → · Contrast checker → · Palette generator →