#5B178D#5B178D

#5B178D is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.5% C 0.178 H 305.1°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#5B178D
RGB	rgb(91, 23, 141)
HSL	hsl(275, 72%, 32%)
HSV	hsv(275, 84%, 55%)
CMYK	cmyk(35.5%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(26.04, 50.24, -50.98)
CIE-LCH	lch(26.04, 71.58, 314.58°)
OKLab	oklab(38.55% 0.1021 -0.1453)
OKLCH	oklch(38.55% 0.178 305.1)
XYZ	xyz(9.4274, 4.7601, 25.6163)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B178D #498D17

analogous

#20178D #5B178D #8D1784

triadic

#5B178D #8D5B17 #178D5B

tetradic

#5B178D #8D2017 #498D17 #17848D

square

#5B178D #8D2017 #498D17 #17848D

split-complementary

#5B178D #848D17 #178D20

monochromatic

#170624 #390E58 #5B178D #7D20C2 #9B3FE0

Accessibility & contrast

On white

10.76

#5B178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#5B178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B178D

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B178D	#FFFFFF	#000000	##FFFFFF
##5B178D	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C90

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#513853

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #5b178d;
/* rgb */ color: rgb(91, 23, 141);
/* oklch */ color: oklch(38.5% 0.178 305.1);

Tailwind

colors: {
  custom: {
    50: '#8f5eaf',
    500: '#5b178d',
    950: '#000000',
  },
}

SCSS

$custom: #5b178d;
$custom-light: #8f5eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#5b178d",
  "rgb": {
    "r": 91,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 274.576,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38546,
    "c": 0.17763,
    "h": 305.1
  },
  "luminance": 0.0476
}

Semantic roles & 50–950 ramp

primary

#5B178D

secondary

#76C040

accent

#EF3986

background

#F9F5FA

surface

#F1EAF5

border

#CBC6CF

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B178D

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

Preview Lab → · Contrast checker → · Palette generator →