#901BBB#901BBB

#901BBB is a mid, highly saturated purple. Relative luminance 0.103; OKLCH L 49.9% C 0.230 H 314.0°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#901BBB
RGB	rgb(144, 27, 187)
HSL	hsl(284, 75%, 42%)
HSV	hsv(284, 86%, 73%)
CMYK	cmyk(23%, 85.6%, 0%, 26.7%)
CIE-LAB	lab(38.38, 67.21, -58.35)
CIE-LCH	lch(38.38, 89.01, 319.04°)
OKLab	oklab(49.94% 0.1596 -0.1652)
OKLCH	oklch(49.94% 0.23 314)
XYZ	xyz(20.8616, 10.3018, 47.8936)
Luminance	0.1030 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901BBB #46BB1B

analogous

#401BBB #901BBB #BB1B96

triadic

#901BBB #BB901B #1BBB90

tetradic

#901BBB #BB401B #46BB1B #1B96BB

square

#901BBB #BB401B #46BB1B #1B96BB

split-complementary

#901BBB #96BB1B #1BBB40

monochromatic

#3E0C50 #671386 #901BBB #B232E1 #C667E9

Accessibility & contrast

On white

6.86

#901BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#901BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #901BBB

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901BBB	#FFFFFF	#000000	##FFFFFF
##901BBB	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#005DB8

Tritanopia (blue-blind)

#8C466F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #901bbb;
/* rgb */ color: rgb(144, 27, 187);
/* oklch */ color: oklch(49.9% 0.230 314.0);

Tailwind

colors: {
  custom: {
    50: '#b66ad0',
    500: '#901bbb',
    950: '#000000',
  },
}

SCSS

$custom: #901bbb;
$custom-light: #b66ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#901bbb",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 187
  },
  "hsl": {
    "h": 283.875,
    "s": 74.766,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49944,
    "c": 0.22968,
    "h": 314
  },
  "luminance": 0.10301
}

Semantic roles & 50–950 ramp

primary

#901BBB

secondary

#80CE63

accent

#F13669

background

#FBF6FC

surface

#F6ECF9

border

#D0C7D2

text

#120714

muted

#817A82

Preview Lab

Preview with #901BBB

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

Preview Lab → · Contrast checker → · Palette generator →