#575CB5#575CB5

#575CB5 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.138 H 278.0°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#575CB5
RGB	rgb(87, 92, 181)
HSL	hsl(237, 39%, 53%)
HSV	hsv(237, 52%, 71%)
CMYK	cmyk(51.9%, 49.2%, 0%, 29%)
CIE-LAB	lab(42.79, 23.23, -48.03)
CIE-LCH	lch(42.79, 53.35, 295.82°)
OKLab	oklab(51.58% 0.0191 -0.1368)
OKLCH	oklch(51.58% 0.138 278)
XYZ	xyz(16.0955, 13.0158, 45.3713)
Luminance	0.1302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575CB5 #B5B057

analogous

#578BB5 #575CB5 #8157B5

triadic

#575CB5 #B5575C #5CB557

tetradic

#575CB5 #B5578B #B5B057 #57B581

square

#575CB5 #B5578B #B5B057 #57B581

split-complementary

#575CB5 #B58157 #8BB557

monochromatic

#2D3065 #3F4490 #575CB5 #8185C8 #ACAEDA

Accessibility & contrast

On white

5.83

#575CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#575CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575CB5

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575CB5	#FFFFFF	#000000	##FFFFFF
##575CB5	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3369B8

Deuteranopia (green-blind)

#2961B3

Tritanopia (blue-blind)

#2F6F80

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #575cb5;
/* rgb */ color: rgb(87, 92, 181);
/* oklch */ color: oklch(51.6% 0.138 278.0);

Tailwind

colors: {
  custom: {
    50: '#8d8acc',
    500: '#575cb5',
    950: '#000000',
  },
}

SCSS

$custom: #575cb5;
$custom-light: #8d8acc;
$custom-dark: #000000;

JSON

{
  "hex": "#575cb5",
  "rgb": {
    "r": 87,
    "g": 92,
    "b": 181
  },
  "hsl": {
    "h": 236.809,
    "s": 38.843,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51582,
    "c": 0.13815,
    "h": 278
  },
  "luminance": 0.13017
}

Semantic roles & 50–950 ramp

primary

#575CB5

secondary

#C8C69F

accent

#C859CF

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #575CB5

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

Preview Lab → · Contrast checker → · Palette generator →