#575CB3#575CB3

#575CB3 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.4% C 0.135 H 278.0°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#575CB3
RGB	rgb(87, 92, 179)
HSL	hsl(237, 38%, 52%)
HSV	hsv(237, 51%, 70%)
CMYK	cmyk(51.4%, 48.6%, 0%, 29.8%)
CIE-LAB	lab(42.66, 22.59, -47.05)
CIE-LCH	lch(42.66, 52.19, 295.65°)
OKLab	oklab(51.45% 0.0189 -0.134)
OKLCH	oklch(51.45% 0.135 278)
XYZ	xyz(15.8918, 12.9343, 44.2983)
Luminance	0.1293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575CB3 #B3AE57

analogous

#578AB3 #575CB3 #8057B3

triadic

#575CB3 #B3575C #5CB357

tetradic

#575CB3 #B3578A #B3AE57 #57B380

square

#575CB3 #B3578A #B3AE57 #57B380

split-complementary

#575CB3 #B38057 #8AB357

monochromatic

#2D3063 #40448D #575CB3 #8185C6 #ABAED9

Accessibility & contrast

On white

5.85

#575CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#575CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575CB3

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575CB3	#FFFFFF	#000000	##FFFFFF
##575CB3	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3468B6

Deuteranopia (green-blind)

#2B61B1

Tritanopia (blue-blind)

#316F7F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #575cb3;
/* rgb */ color: rgb(87, 92, 179);
/* oklch */ color: oklch(51.4% 0.135 278.0);

Tailwind

colors: {
  custom: {
    50: '#8d8aca',
    500: '#575cb3',
    950: '#000000',
  },
}

SCSS

$custom: #575cb3;
$custom-light: #8d8aca;
$custom-dark: #000000;

JSON

{
  "hex": "#575cb3",
  "rgb": {
    "r": 87,
    "g": 92,
    "b": 179
  },
  "hsl": {
    "h": 236.739,
    "s": 37.705,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51449,
    "c": 0.13529,
    "h": 278
  },
  "luminance": 0.12935
}

Semantic roles & 50–950 ramp

primary

#575CB3

secondary

#C7C59F

accent

#C75ACE

background

#F9F8FC

surface

#F1F0F8

border

#CBCBD1

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #575CB3

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

Preview Lab → · Contrast checker → · Palette generator →