#57188D#57188D

#57188D is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.1% C 0.176 H 302.8°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#57188D
RGB	rgb(87, 24, 141)
HSL	hsl(272, 71%, 32%)
HSV	hsv(272, 83%, 55%)
CMYK	cmyk(38.3%, 83%, 0%, 44.7%)
CIE-LAB	lab(25.57, 49.25, -51.77)
CIE-LCH	lch(25.57, 71.45, 313.57°)
OKLab	oklab(38.1% 0.0953 -0.1478)
OKLCH	oklch(38.1% 0.176 302.8)
XYZ	xyz(9.0637, 4.6026, 25.6050)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.72

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57188D #4E8D18

analogous

#1D188D #57188D #8D1888

triadic

#57188D #8D5718 #188D57

tetradic

#57188D #8D1D18 #4E8D18 #18888D

square

#57188D #8D1D18 #4E8D18 #18888D

split-complementary

#57188D #888D18 #188D1D

monochromatic

#160624 #370F59 #57188D #7721C1 #9641DF

Accessibility & contrast

On white

10.93

#57188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#57188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57188D

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57188D	#FFFFFF	#000000	##FFFFFF
##57188D	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C90

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#4C3954

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #57188d;
/* rgb */ color: rgb(87, 24, 141);
/* oklch */ color: oklch(38.1% 0.176 302.8);

Tailwind

colors: {
  custom: {
    50: '#8c5eaf',
    500: '#57188d',
    950: '#000000',
  },
}

SCSS

$custom: #57188d;
$custom-light: #8c5eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#57188d",
  "rgb": {
    "r": 87,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 272.308,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38096,
    "c": 0.1759,
    "h": 302.8
  },
  "luminance": 0.04603
}

Semantic roles & 50–950 ramp

primary

#57188D

secondary

#7CBF42

accent

#EE3A8D

background

#F9F5FA

surface

#F1E9F5

border

#CBC5CF

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #57188D

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

Preview Lab → · Contrast checker → · Palette generator →