#57137D#57137D

#57137D is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.3% C 0.165 H 309.1°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#57137D
RGB	rgb(87, 19, 125)
HSL	hsl(278, 74%, 28%)
HSV	hsv(278, 85%, 49%)
CMYK	cmyk(30.4%, 84.8%, 0%, 51%)
CIE-LAB	lab(23.58, 47.27, -44.97)
CIE-LCH	lch(23.58, 65.24, 316.43°)
OKLab	oklab(36.28% 0.1039 -0.1278)
OKLCH	oklch(36.28% 0.165 309.1)
XYZ	xyz(7.8643, 3.9728, 19.7506)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.51

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57137D #397D13

analogous

#22137D #57137D #7D136E

triadic

#57137D #7D5713 #137D57

tetradic

#57137D #7D2213 #397D13 #136E7D

square

#57137D #7D2213 #397D13 #136E7D

split-complementary

#57137D #6E7D13 #137D22

monochromatic

#12041B #320B48 #57137D #7C1BB2 #9F2CDF

Accessibility & contrast

On white

11.70

#57137D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#57137D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57137D

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57137D	#FFFFFF	#000000	##FFFFFF
##57137D	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003680

Deuteranopia (green-blind)

#00397B

Tritanopia (blue-blind)

#512F49

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #57137d;
/* rgb */ color: rgb(87, 19, 125);
/* oklch */ color: oklch(36.3% 0.165 309.1);

Tailwind

colors: {
  custom: {
    50: '#8b5ba3',
    500: '#57137d',
    950: '#000000',
  },
}

SCSS

$custom: #57137d;
$custom-light: #8b5ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#57137d",
  "rgb": {
    "r": 87,
    "g": 19,
    "b": 125
  },
  "hsl": {
    "h": 278.491,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3628,
    "c": 0.16473,
    "h": 309.1
  },
  "luminance": 0.03973
}

Semantic roles & 50–950 ramp

primary

#57137D

secondary

#65B339

accent

#F0387A

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #57137D

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

Preview Lab → · Contrast checker → · Palette generator →