#57137B#57137B

#57137B is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.1% C 0.163 H 309.9°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#57137B
RGB	rgb(87, 19, 123)
HSL	hsl(279, 73%, 28%)
HSV	hsv(279, 85%, 48%)
CMYK	cmyk(29.3%, 84.6%, 0%, 51.8%)
CIE-LAB	lab(23.41, 46.82, -43.97)
CIE-LCH	lch(23.41, 64.23, 316.80°)
OKLab	oklab(36.11% 0.1045 -0.1249)
OKLCH	oklch(36.11% 0.163 309.9)
XYZ	xyz(7.7378, 3.9222, 19.0845)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57137B #377B13

analogous

#23137B #57137B #7B136B

triadic

#57137B #7B5713 #137B57

tetradic

#57137B #7B2313 #377B13 #136B7B

square

#57137B #7B2313 #377B13 #136B7B

split-complementary

#57137B #6B7B13 #137B23

monochromatic

#13041B #320B46 #57137B #7C1BB0 #A02ADE

Accessibility & contrast

On white

11.77

#57137B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#57137B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57137B

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57137B	#FFFFFF	#000000	##FFFFFF
##57137B	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#003979

Tritanopia (blue-blind)

#522E48

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #57137b;
/* rgb */ color: rgb(87, 19, 123);
/* oklch */ color: oklch(36.1% 0.163 309.9);

Tailwind

colors: {
  custom: {
    50: '#8b5ba2',
    500: '#57137b',
    950: '#000000',
  },
}

SCSS

$custom: #57137b;
$custom-light: #8b5ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#57137b",
  "rgb": {
    "r": 87,
    "g": 19,
    "b": 123
  },
  "hsl": {
    "h": 279.231,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3611,
    "c": 0.16282,
    "h": 309.9
  },
  "luminance": 0.03922
}

Semantic roles & 50–950 ramp

primary

#57137B

secondary

#62B139

accent

#F03878

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #57137B

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

Preview Lab → · Contrast checker → · Palette generator →