#90639B#90639B

#90639B is a mid, moderate purple. Relative luminance 0.172; OKLCH L 56.8% C 0.098 H 319.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#90639B
RGB	rgb(144, 99, 155)
HSL	hsl(288, 22%, 50%)
HSV	hsv(288, 36%, 61%)
CMYK	cmyk(7.1%, 36.1%, 0%, 39.2%)
CIE-LAB	lab(48.54, 28.26, -23.31)
CIE-LCH	lch(48.54, 36.63, 320.48°)
OKLab	oklab(56.77% 0.0749 -0.0638)
OKLCH	oklch(56.77% 0.098 319.6)
XYZ	xyz(21.8791, 17.2201, 33.1753)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90639B #6E9B63

analogous

#74639B #90639B #9B638A

triadic

#90639B #9B9063 #639B90

tetradic

#90639B #9B7463 #6E9B63 #638A9B

square

#90639B #9B7463 #6E9B63 #638A9B

split-complementary

#90639B #8A9B63 #639B74

monochromatic

#4B3350 #6D4B76 #90639B #AB88B3 #C5ADCB

Accessibility & contrast

On white

4.73

#90639B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#90639B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #90639B

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90639B	#FFFFFF	#000000	##FFFFFF
##90639B	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C709D

Deuteranopia (green-blind)

#677599

Tritanopia (blue-blind)

#916978

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #90639b;
/* rgb */ color: rgb(144, 99, 155);
/* oklch */ color: oklch(56.8% 0.098 319.6);

Tailwind

colors: {
  custom: {
    50: '#b190b8',
    500: '#90639b',
    950: '#000000',
  },
}

SCSS

$custom: #90639b;
$custom-light: #b190b8;
$custom-dark: #000000;

JSON

{
  "hex": "#90639b",
  "rgb": {
    "r": 144,
    "g": 99,
    "b": 155
  },
  "hsl": {
    "h": 288.214,
    "s": 22.047,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56765,
    "c": 0.0984,
    "h": 319.6
  },
  "luminance": 0.1722
}

Semantic roles & 50–950 ramp

primary

#90639B

secondary

#A5BAA0

accent

#BF697A

background

#FBF8FB

surface

#F6F0F6

border

#D0CBD0

text

#110C11

muted

#807D80

Preview Lab

Preview with #90639B

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

Preview Lab → · Contrast checker → · Palette generator →