#575BB0#575BB0

#575BB0 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.1% C 0.132 H 278.6°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#575BB0
RGB	rgb(87, 91, 176)
HSL	hsl(237, 36%, 52%)
HSV	hsv(237, 51%, 69%)
CMYK	cmyk(50.6%, 48.3%, 0%, 31%)
CIE-LAB	lab(42.22, 22.26, -46.00)
CIE-LCH	lch(42.22, 51.11, 295.82°)
OKLab	oklab(51.05% 0.0197 -0.1309)
OKLCH	oklch(51.05% 0.132 278.6)
XYZ	xyz(15.5056, 12.6421, 42.6890)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575BB0 #B0AC57

analogous

#5788B0 #575BB0 #8057B0

triadic

#575BB0 #B0575B #5BB057

tetradic

#575BB0 #B05788 #B0AC57 #57B080

square

#575BB0 #B05788 #B0AC57 #57B080

split-complementary

#575BB0 #B08057 #88B057

monochromatic

#2D2F60 #414489 #575BB0 #8184C4 #AAACD7

Accessibility & contrast

On white

5.95

#575BB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#575BB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575BB0

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575BB0	#FFFFFF	#000000	##FFFFFF
##575BB0	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3567B3

Deuteranopia (green-blind)

#2D60AE

Tritanopia (blue-blind)

#346D7D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #575bb0;
/* rgb */ color: rgb(87, 91, 176);
/* oklch */ color: oklch(51.1% 0.132 278.6);

Tailwind

colors: {
  custom: {
    50: '#8c89c8',
    500: '#575bb0',
    950: '#000000',
  },
}

SCSS

$custom: #575bb0;
$custom-light: #8c89c8;
$custom-dark: #000000;

JSON

{
  "hex": "#575bb0",
  "rgb": {
    "r": 87,
    "g": 91,
    "b": 176
  },
  "hsl": {
    "h": 237.303,
    "s": 36.032,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51054,
    "c": 0.13236,
    "h": 278.6
  },
  "luminance": 0.12643
}

Semantic roles & 50–950 ramp

primary

#575BB0

secondary

#C5C39E

accent

#C75CCC

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0D0B13

muted

#7D7C82

Preview Lab

Preview with #575BB0

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

Preview Lab → · Contrast checker → · Palette generator →