#5B178C#5B178C

#5B178C is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.5% C 0.177 H 305.4°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX#5B178C
RGBrgb(91, 23, 140)
HSLhsl(275, 72%, 32%)
HSVhsv(275, 84%, 55%)
CMYKcmyk(35%, 83.6%, 0%, 45.1%)
CIE-LABlab(25.95, 50.01, -50.50)
CIE-LCHlch(25.95, 71.07, 314.72°)
OKLaboklab(38.46% 0.1024 -0.1439)
OKLCHoklch(38.46% 0.177 305.4)
XYZxyz(9.3533, 4.7305, 25.2262)
Luminance0.0473 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B178C #488C17
analogous
#21178C #5B178C #8C1783
triadic
#5B178C #8C5B17 #178C5B
tetradic
#5B178C #8C2117 #488C17 #17838C
square
#5B178C #8C2117 #488C17 #17838C
split-complementary
#5B178C #838C17 #178C21
monochromatic
#170623 #390E57 #5B178C #7D20C1 #9C3EDF

Accessibility & contrast

On white

10.79
#5B178C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.95
#5B178C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B178C
10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B178C#FFFFFF#000000##FFFFFF
##5B178C1.0010.791.9510.79
#FFFFFF10.791.0021.001.00
#0000001.9521.001.0021.00
##FFFFFF10.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003C8F
Deuteranopia (green-blind)
#003E8A
Tritanopia (blue-blind)
#523753
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #5b178c;
/* rgb */ color: rgb(91, 23, 140);
/* oklch */ color: oklch(38.5% 0.177 305.4);
Tailwind
colors: {
  custom: {
    50: '#8f5eae',
    500: '#5b178c',
    950: '#000000',
  },
}
SCSS
$custom: #5b178c;
$custom-light: #8f5eae;
$custom-dark: #000000;
JSON
{
  "hex": "#5b178c",
  "rgb": {
    "r": 91,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 274.872,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38458,
    "c": 0.17666,
    "h": 305.4
  },
  "luminance": 0.0473
}

Semantic roles & 50–950 ramp

primary
#5B178C
secondary
#75BF3F
accent
#EF3985
background
#F9F5FA
surface
#F1EAF4
border
#CBC6CE
text
#0D0510
muted
#7E797F

Preview Lab

Preview with #5B178C

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

Preview Lab → · Contrast checker → · Palette generator →

#5B178C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva