#631D85#631D85

#631D85 is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.5% C 0.166 H 311.7°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#631D85
RGB	rgb(99, 29, 133)
HSL	hsl(280, 64%, 32%)
HSV	hsv(280, 78%, 52%)
CMYK	cmyk(25.6%, 78.2%, 0%, 47.8%)
CIE-LAB	lab(27.37, 47.67, -43.78)
CIE-LCH	lch(27.37, 64.73, 317.44°)
OKLab	oklab(39.52% 0.1106 -0.1239)
OKLCH	oklch(39.52% 0.166 311.7)
XYZ	xyz(9.8178, 5.2251, 22.6771)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D85 #3F851D

analogous

#2F1D85 #631D85 #851D73

triadic

#631D85 #85631D #1D8563

tetradic

#631D85 #852F1D #3F851D #1D7385

square

#631D85 #852F1D #3F851D #1D7385

split-complementary

#631D85 #73851D #1D852F

monochromatic

#180721 #3E1253 #631D85 #8828B7 #A746D7

Accessibility & contrast

On white

10.27

#631D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#631D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D85

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D85	#FFFFFF	#000000	##FFFFFF
##631D85	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D88

Deuteranopia (green-blind)

#0A4283

Tritanopia (blue-blind)

#5F3650

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631d85;
/* rgb */ color: rgb(99, 29, 133);
/* oklch */ color: oklch(39.5% 0.166 311.7);

Tailwind

colors: {
  custom: {
    50: '#9361a9',
    500: '#631d85',
    950: '#000000',
  },
}

SCSS

$custom: #631d85;
$custom-light: #9361a9;
$custom-dark: #000000;

JSON

{
  "hex": "#631d85",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 133
  },
  "hsl": {
    "h": 280.385,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39523,
    "c": 0.16609,
    "h": 311.7
  },
  "luminance": 0.05225
}

Semantic roles & 50–950 ramp

primary

#631D85

secondary

#6BB846

accent

#E74177

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631D85

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

Preview Lab → · Contrast checker → · Palette generator →