#57137E#57137E

#57137E is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.4% C 0.166 H 308.7°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#57137E
RGB	rgb(87, 19, 126)
HSL	hsl(278, 74%, 28%)
HSV	hsv(278, 85%, 49%)
CMYK	cmyk(31%, 84.9%, 0%, 50.6%)
CIE-LAB	lab(23.67, 47.49, -45.47)
CIE-LCH	lch(23.67, 65.75, 316.25°)
OKLab	oklab(36.37% 0.1036 -0.1293)
OKLCH	oklch(36.37% 0.166 308.7)
XYZ	xyz(7.9285, 3.9985, 20.0887)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.41

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57137E #3A7E13

analogous

#21137E #57137E #7E136F

triadic

#57137E #7E5713 #137E57

tetradic

#57137E #7E2113 #3A7E13 #136F7E

square

#57137E #7E2113 #3A7E13 #136F7E

split-complementary

#57137E #6F7E13 #137E21

monochromatic

#12041B #320B49 #57137E #7C1BB3 #9E2CDF

Accessibility & contrast

On white

11.67

#57137E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#57137E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57137E

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57137E	#FFFFFF	#000000	##FFFFFF
##57137E	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003681

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#51304A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #57137e;
/* rgb */ color: rgb(87, 19, 126);
/* oklch */ color: oklch(36.4% 0.166 308.7);

Tailwind

colors: {
  custom: {
    50: '#8b5ba4',
    500: '#57137e',
    950: '#000000',
  },
}

SCSS

$custom: #57137e;
$custom-light: #8b5ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#57137e",
  "rgb": {
    "r": 87,
    "g": 19,
    "b": 126
  },
  "hsl": {
    "h": 278.131,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36366,
    "c": 0.16567,
    "h": 308.7
  },
  "luminance": 0.03998
}

Semantic roles & 50–950 ramp

primary

#57137E

secondary

#66B439

accent

#F0377B

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #57137E

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

Preview Lab → · Contrast checker → · Palette generator →