#57137F#57137F

#57137F is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.5% C 0.167 H 308.3°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#57137F
RGB	rgb(87, 19, 127)
HSL	hsl(278, 74%, 29%)
HSV	hsv(278, 85%, 50%)
CMYK	cmyk(31.5%, 85%, 0%, 50.2%)
CIE-LAB	lab(23.75, 47.72, -45.96)
CIE-LCH	lch(23.75, 66.25, 316.07°)
OKLab	oklab(36.45% 0.1034 -0.1307)
OKLCH	oklch(36.45% 0.167 308.3)
XYZ	xyz(7.9933, 4.0244, 20.4303)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.33

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57137F #3B7F13

analogous

#21137F #57137F #7F1371

triadic

#57137F #7F5713 #137F57

tetradic

#57137F #7F2113 #3B7F13 #13717F

square

#57137F #7F2113 #3B7F13 #13717F

split-complementary

#57137F #717F13 #137F21

monochromatic

#12041B #330B4A #57137F #7B1BB4 #9D2DE0

Accessibility & contrast

On white

11.64

#57137F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#57137F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57137F

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57137F	#FFFFFF	#000000	##FFFFFF
##57137F	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003682

Deuteranopia (green-blind)

#00397D

Tritanopia (blue-blind)

#50304B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #57137f;
/* rgb */ color: rgb(87, 19, 127);
/* oklch */ color: oklch(36.5% 0.167 308.3);

Tailwind

colors: {
  custom: {
    50: '#8b5ba5',
    500: '#57137f',
    950: '#000000',
  },
}

SCSS

$custom: #57137f;
$custom-light: #8b5ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#57137f",
  "rgb": {
    "r": 87,
    "g": 19,
    "b": 127
  },
  "hsl": {
    "h": 277.778,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36452,
    "c": 0.16663,
    "h": 308.3
  },
  "luminance": 0.04024
}

Semantic roles & 50–950 ramp

primary

#57137F

secondary

#67B439

accent

#F1377C

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #57137F

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

Preview Lab → · Contrast checker → · Palette generator →