#631988#631988

#631988 is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.4% C 0.173 H 311.0°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#631988
RGB	rgb(99, 25, 136)
HSL	hsl(280, 69%, 32%)
HSV	hsv(280, 82%, 53%)
CMYK	cmyk(27.2%, 81.6%, 0%, 46.7%)
CIE-LAB	lab(27.09, 49.81, -46.11)
CIE-LCH	lch(27.09, 67.87, 317.21°)
OKLab	oklab(39.4% 0.1135 -0.1307)
OKLCH	oklch(39.4% 0.173 311)
XYZ	xyz(9.9363, 5.1257, 23.7537)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631988 #3E8819

analogous

#2C1988 #631988 #881976

triadic

#631988 #886319 #198863

tetradic

#631988 #882C19 #3E8819 #197688

square

#631988 #882C19 #3E8819 #197688

split-complementary

#631988 #768819 #19882C

monochromatic

#180621 #3D0F54 #631988 #8923BC #A840DC

Accessibility & contrast

On white

10.37

#631988 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#631988 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631988

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631988	#FFFFFF	#000000	##FFFFFF
##631988	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8B

Deuteranopia (green-blind)

#004186

Tritanopia (blue-blind)

#5E3551

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #631988;
/* rgb */ color: rgb(99, 25, 136);
/* oklch */ color: oklch(39.4% 0.173 311.0);

Tailwind

colors: {
  custom: {
    50: '#9460ab',
    500: '#631988',
    950: '#000000',
  },
}

SCSS

$custom: #631988;
$custom-light: #9460ab;
$custom-dark: #000000;

JSON

{
  "hex": "#631988",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 136
  },
  "hsl": {
    "h": 280,
    "s": 68.944,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39402,
    "c": 0.17311,
    "h": 311
  },
  "luminance": 0.05125
}

Semantic roles & 50–950 ramp

primary

#631988

secondary

#6ABB41

accent

#EC3C77

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631988

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

Preview Lab → · Contrast checker → · Palette generator →