#5B178E#5B178E

#5B178E is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.179 H 304.7°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#5B178E
RGB	rgb(91, 23, 142)
HSL	hsl(274, 72%, 32%)
HSV	hsv(274, 84%, 56%)
CMYK	cmyk(35.9%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(26.13, 50.47, -51.46)
CIE-LCH	lch(26.13, 72.08, 314.44°)
OKLab	oklab(38.63% 0.1018 -0.1468)
OKLCH	oklch(38.63% 0.179 304.7)
XYZ	xyz(9.5021, 4.7900, 26.0099)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B178E #4A8E17

analogous

#20178E #5B178E #8E1785

triadic

#5B178E #8E5B17 #178E5B

tetradic

#5B178E #8E2017 #4A8E17 #17858E

square

#5B178E #8E2017 #4A8E17 #17858E

split-complementary

#5B178E #858E17 #178E20

monochromatic

#170625 #390E59 #5B178E #7D20C3 #9B3FE0

Accessibility & contrast

On white

10.73

#5B178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#5B178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B178E

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B178E	#FFFFFF	#000000	##FFFFFF
##5B178E	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C91

Deuteranopia (green-blind)

#003E8C

Tritanopia (blue-blind)

#513854

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #5b178e;
/* rgb */ color: rgb(91, 23, 142);
/* oklch */ color: oklch(38.6% 0.179 304.7);

Tailwind

colors: {
  custom: {
    50: '#8f5eb0',
    500: '#5b178e',
    950: '#000000',
  },
}

SCSS

$custom: #5b178e;
$custom-light: #8f5eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b178e",
  "rgb": {
    "r": 91,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 274.286,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38634,
    "c": 0.1786,
    "h": 304.7
  },
  "luminance": 0.0479
}

Semantic roles & 50–950 ramp

primary

#5B178E

secondary

#77C040

accent

#EF3987

background

#F9F5FA

surface

#F1EAF5

border

#CBC6CF

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #5B178E

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

Preview Lab → · Contrast checker → · Palette generator →