#57158A#57158A

#57158A is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.6% C 0.176 H 304.1°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#57158A
RGB	rgb(87, 21, 138)
HSL	hsl(274, 74%, 31%)
HSV	hsv(274, 85%, 54%)
CMYK	cmyk(37%, 84.8%, 0%, 45.9%)
CIE-LAB	lab(24.94, 49.58, -50.93)
CIE-LCH	lch(24.94, 71.08, 314.23°)
OKLab	oklab(37.58% 0.0985 -0.1453)
OKLCH	oklch(37.58% 0.176 304.1)
XYZ	xyz(8.7850, 4.3976, 24.4258)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.28

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57158A #488A15

analogous

#1C158A #57158A #8A1582

triadic

#57158A #8A5715 #158A57

tetradic

#57158A #8A1C15 #488A15 #15828A

square

#57158A #8A1C15 #488A15 #15828A

split-complementary

#57158A #828A15 #158A1C

monochromatic

#140520 #360D55 #57158A #781DBF #9739E1

Accessibility & contrast

On white

11.17

#57158A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#57158A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57158A

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57158A	#FFFFFF	#000000	##FFFFFF
##57158A	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8D

Deuteranopia (green-blind)

#003B88

Tritanopia (blue-blind)

#4D3651

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #57158a;
/* rgb */ color: rgb(87, 21, 138);
/* oklch */ color: oklch(37.6% 0.176 304.1);

Tailwind

colors: {
  custom: {
    50: '#8c5dad',
    500: '#57158a',
    950: '#000000',
  },
}

SCSS

$custom: #57158a;
$custom-light: #8c5dad;
$custom-dark: #000000;

JSON

{
  "hex": "#57158a",
  "rgb": {
    "r": 87,
    "g": 21,
    "b": 138
  },
  "hsl": {
    "h": 273.846,
    "s": 73.585,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37579,
    "c": 0.17555,
    "h": 304.1
  },
  "luminance": 0.04398
}

Semantic roles & 50–950 ramp

primary

#57158A

secondary

#75BE3D

accent

#F03888

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #57158A

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

Preview Lab → · Contrast checker → · Palette generator →