#5B37AC#5B37AC

#5B37AC is a dark, vivid violet. Relative luminance 0.079; OKLCH L 44.9% C 0.176 H 291.9°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#5B37AC
RGB	rgb(91, 55, 172)
HSL	hsl(258, 52%, 45%)
HSV	hsv(258, 68%, 67%)
CMYK	cmyk(47.1%, 68%, 0%, 32.5%)
CIE-LAB	lab(33.85, 43.58, -57.13)
CIE-LCH	lch(33.85, 71.86, 307.34°)
OKLab	oklab(44.87% 0.0656 -0.1636)
OKLCH	oklch(44.87% 0.176 291.9)
XYZ	xyz(13.1249, 7.9346, 39.8617)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 4.06

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B37AC #88AC37

analogous

#374DAC #5B37AC #9637AC

triadic

#5B37AC #AC5B37 #37AC5B

tetradic

#5B37AC #AC374D #88AC37 #37AC96

square

#5B37AC #AC374D #88AC37 #37AC96

split-complementary

#5B37AC #AC9637 #4DAC37

monochromatic

#2A194F #42287E #5B37AC #7A57C9 #9F85D8

Accessibility & contrast

On white

8.12

#5B37AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#5B37AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B37AC

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B37AC	#FFFFFF	#000000	##FFFFFF
##5B37AC	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B0

Deuteranopia (green-blind)

#004DAA

Tritanopia (blue-blind)

#42546D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #5b37ac;
/* rgb */ color: rgb(91, 55, 172);
/* oklch */ color: oklch(44.9% 0.176 291.9);

Tailwind

colors: {
  custom: {
    50: '#9070c6',
    500: '#5b37ac',
    950: '#000000',
  },
}

SCSS

$custom: #5b37ac;
$custom-light: #9070c6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b37ac",
  "rgb": {
    "r": 91,
    "g": 55,
    "b": 172
  },
  "hsl": {
    "h": 258.462,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4487,
    "c": 0.17628,
    "h": 291.9
  },
  "luminance": 0.07935
}

Semantic roles & 50–950 ramp

primary

#5B37AC

secondary

#ADC27D

accent

#DB4DAF

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #5B37AC

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

Preview Lab → · Contrast checker → · Palette generator →