#57366B#57366B

#57366B is a dark, moderate violet. Relative luminance 0.057; OKLCH L 39.6% C 0.094 H 311.5°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#57366B
RGB	rgb(87, 54, 107)
HSL	hsl(277, 33%, 32%)
HSV	hsv(277, 50%, 42%)
CMYK	cmyk(18.7%, 49.5%, 0%, 58%)
CIE-LAB	lab(28.71, 25.51, -25.27)
CIE-LCH	lch(28.71, 35.91, 315.27°)
OKLab	oklab(39.59% 0.0622 -0.0703)
OKLCH	oklch(39.59% 0.094 311.5)
XYZ	xyz(7.9030, 5.7263, 14.5960)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57366B #4A6B36

analogous

#3D366B #57366B #6B3665

triadic

#57366B #6B5736 #366B57

tetradic

#57366B #6B3D36 #4A6B36 #36656B

square

#57366B #6B3D36 #4A6B36 #36656B

split-complementary

#57366B #656B36 #366B3D

monochromatic

#150D1A #362142 #57366B #784B94 #9768B3

Accessibility & contrast

On white

9.79

#57366B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#57366B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57366B

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57366B	#FFFFFF	#000000	##FFFFFF
##57366B	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A426D

Deuteranopia (green-blind)

#33446A

Tritanopia (blue-blind)

#553E4B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #57366b;
/* rgb */ color: rgb(87, 54, 107);
/* oklch */ color: oklch(39.6% 0.094 311.5);

Tailwind

colors: {
  custom: {
    50: '#886e95',
    500: '#57366b',
    950: '#000000',
  },
}

SCSS

$custom: #57366b;
$custom-light: #886e95;
$custom-dark: #000000;

JSON

{
  "hex": "#57366b",
  "rgb": {
    "r": 87,
    "g": 54,
    "b": 107
  },
  "hsl": {
    "h": 277.358,
    "s": 32.919,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39594,
    "c": 0.09392,
    "h": 311.5
  },
  "luminance": 0.05726
}

Semantic roles & 50–950 ramp

primary

#57366B

secondary

#779C61

accent

#C95F87

background

#F8F6F9

surface

#F0ECF2

border

#CBC7CC

text

#0B070D

muted

#7C7A7E

Preview Lab

Preview with #57366B

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

Preview Lab → · Contrast checker → · Palette generator →