#5B37BB#5B37BB

#5B37BB is a mid, vivid violet. Relative luminance 0.085; OKLCH L 46.1% C 0.194 H 288.9°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#5B37BB
RGB	rgb(91, 55, 187)
HSL	hsl(256, 55%, 47%)
HSV	hsv(256, 71%, 73%)
CMYK	cmyk(51.3%, 70.6%, 0%, 26.7%)
CIE-LAB	lab(35.09, 47.85, -64.00)
CIE-LCH	lch(35.09, 79.91, 306.78°)
OKLab	oklab(46.15% 0.063 -0.1838)
OKLCH	oklch(46.15% 0.194 288.9)
XYZ	xyz(14.6476, 8.5437, 47.8814)
Luminance	0.0854 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B37BB #97BB37

analogous

#3755BB #5B37BB #9D37BB

triadic

#5B37BB #BB5B37 #37BB5B

tetradic

#5B37BB #BB3755 #97BB37 #37BB9D

square

#5B37BB #BB3755 #97BB37 #37BB9D

split-complementary

#5B37BB #BB9D37 #55BB37

monochromatic

#2D1B5C #44298C #5B37BB #7E5FD0 #A48EDE

Accessibility & contrast

On white

7.75

#5B37BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#5B37BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B37BB

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B37BB	#FFFFFF	#000000	##FFFFFF
##5B37BB	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#004FB8

Tritanopia (blue-blind)

#385975

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #5b37bb;
/* rgb */ color: rgb(91, 55, 187);
/* oklch */ color: oklch(46.1% 0.194 288.9);

Tailwind

colors: {
  custom: {
    50: '#9271d0',
    500: '#5b37bb',
    950: '#000000',
  },
}

SCSS

$custom: #5b37bb;
$custom-light: #9271d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b37bb",
  "rgb": {
    "r": 91,
    "g": 55,
    "b": 187
  },
  "hsl": {
    "h": 256.364,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.46145,
    "c": 0.1943,
    "h": 288.9
  },
  "luminance": 0.08544
}

Semantic roles & 50–950 ramp

primary

#5B37BB

secondary

#B6C985

accent

#DE4AB6

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0814

muted

#7E7B82

Preview Lab

Preview with #5B37BB

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

Preview Lab → · Contrast checker → · Palette generator →