#5B37AD#5B37AD

#5B37AD is a dark, vivid violet. Relative luminance 0.080; OKLCH L 45.0% C 0.177 H 291.6°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#5B37AD
RGB	rgb(91, 55, 173)
HSL	hsl(258, 52%, 45%)
HSV	hsv(258, 68%, 68%)
CMYK	cmyk(47.4%, 68.2%, 0%, 32.2%)
CIE-LAB	lab(33.93, 43.87, -57.60)
CIE-LCH	lch(33.93, 72.40, 307.29°)
OKLab	oklab(44.95% 0.0655 -0.165)
OKLCH	oklch(44.95% 0.178 291.6)
XYZ	xyz(13.2213, 7.9732, 40.3694)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.99

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B37AD #89AD37

analogous

#374EAD #5B37AD #9637AD

triadic

#5B37AD #AD5B37 #37AD5B

tetradic

#5B37AD #AD374E #89AD37 #37AD96

square

#5B37AD #AD374E #89AD37 #37AD96

split-complementary

#5B37AD #AD9637 #4EAD37

monochromatic

#2A1950 #43287F #5B37AD #7A57CA #9F86D8

Accessibility & contrast

On white

8.09

#5B37AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#5B37AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B37AD

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B37AD	#FFFFFF	#000000	##FFFFFF
##5B37AD	1.00	8.09	2.59	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B1

Deuteranopia (green-blind)

#004DAB

Tritanopia (blue-blind)

#42546D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #5b37ad;
/* rgb */ color: rgb(91, 55, 173);
/* oklch */ color: oklch(45.0% 0.177 291.6);

Tailwind

colors: {
  custom: {
    50: '#9170c6',
    500: '#5b37ad',
    950: '#000000',
  },
}

SCSS

$custom: #5b37ad;
$custom-light: #9170c6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b37ad",
  "rgb": {
    "r": 91,
    "g": 55,
    "b": 173
  },
  "hsl": {
    "h": 258.305,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44953,
    "c": 0.1775,
    "h": 291.6
  },
  "luminance": 0.07974
}

Semantic roles & 50–950 ramp

primary

#5B37AD

secondary

#ADC27D

accent

#DB4DB0

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #5B37AD

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

Preview Lab → · Contrast checker → · Palette generator →