#5B178A#5B178A

#5B178A is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.3% C 0.175 H 306.1°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#5B178A
RGB	rgb(91, 23, 138)
HSL	hsl(275, 71%, 32%)
HSV	hsv(275, 83%, 54%)
CMYK	cmyk(34.1%, 83.3%, 0%, 45.9%)
CIE-LAB	lab(25.78, 49.55, -49.54)
CIE-LCH	lch(25.78, 70.07, 315.00°)
OKLab	oklab(38.28% 0.103 -0.1411)
OKLCH	oklch(38.28% 0.175 306.1)
XYZ	xyz(9.2072, 4.6720, 24.4566)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.98

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B178A #468A17

analogous

#21178A #5B178A #8A1780

triadic

#5B178A #8A5B17 #178A5B

tetradic

#5B178A #8A2117 #468A17 #17808A

square

#5B178A #8A2117 #468A17 #17808A

split-complementary

#5B178A #808A17 #178A21

monochromatic

#160621 #380E56 #5B178A #7E20BE #9C3DDF

Accessibility & contrast

On white

10.86

#5B178A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#5B178A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B178A

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B178A	#FFFFFF	#000000	##FFFFFF
##5B178A	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8D

Deuteranopia (green-blind)

#003D88

Tritanopia (blue-blind)

#523652

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #5b178a;
/* rgb */ color: rgb(91, 23, 138);
/* oklch */ color: oklch(38.3% 0.175 306.1);

Tailwind

colors: {
  custom: {
    50: '#8f5ead',
    500: '#5b178a',
    950: '#000000',
  },
}

SCSS

$custom: #5b178a;
$custom-light: #8f5ead;
$custom-dark: #000000;

JSON

{
  "hex": "#5b178a",
  "rgb": {
    "r": 91,
    "g": 23,
    "b": 138
  },
  "hsl": {
    "h": 275.478,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.38284,
    "c": 0.17471,
    "h": 306.1
  },
  "luminance": 0.04672
}

Semantic roles & 50–950 ramp

primary

#5B178A

secondary

#73BE3F

accent

#EE3A83

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B178A

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

Preview Lab → · Contrast checker → · Palette generator →