#631F85#631F85

#631F85 is a dark, vivid purple. Relative luminance 0.053; OKLCH L 39.7% C 0.164 H 311.5°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#631F85
RGB	rgb(99, 31, 133)
HSL	hsl(280, 62%, 32%)
HSV	hsv(280, 77%, 52%)
CMYK	cmyk(25.6%, 76.7%, 0%, 47.8%)
CIE-LAB	lab(27.64, 46.88, -43.33)
CIE-LCH	lch(27.64, 63.84, 317.25°)
OKLab	oklab(39.72% 0.1086 -0.1226)
OKLCH	oklch(39.72% 0.164 311.5)
XYZ	xyz(9.8684, 5.3263, 22.6940)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631F85 #41851F

analogous

#301F85 #631F85 #851F74

triadic

#631F85 #85631F #1F8563

tetradic

#631F85 #85301F #41851F #1F7485

square

#631F85 #85301F #41851F #1F7485

split-complementary

#631F85 #74851F #1F8530

monochromatic

#190822 #3E1353 #631F85 #882BB7 #A64AD5

Accessibility & contrast

On white

10.17

#631F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#631F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631F85

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631F85	#FFFFFF	#000000	##FFFFFF
##631F85	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E88

Deuteranopia (green-blind)

#0D4283

Tritanopia (blue-blind)

#5F3751

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631f85;
/* rgb */ color: rgb(99, 31, 133);
/* oklch */ color: oklch(39.7% 0.164 311.5);

Tailwind

colors: {
  custom: {
    50: '#9362a9',
    500: '#631f85',
    950: '#000000',
  },
}

SCSS

$custom: #631f85;
$custom-light: #9362a9;
$custom-dark: #000000;

JSON

{
  "hex": "#631f85",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 133
  },
  "hsl": {
    "h": 280,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39719,
    "c": 0.16383,
    "h": 311.5
  },
  "luminance": 0.05326
}

Semantic roles & 50–950 ramp

primary

#631F85

secondary

#6DB749

accent

#E54379

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631F85

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

Preview Lab → · Contrast checker → · Palette generator →