#631D87#631D87

#631D87 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.7% C 0.168 H 311.0°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#631D87
RGB	rgb(99, 29, 135)
HSL	hsl(280, 65%, 32%)
HSV	hsv(280, 79%, 53%)
CMYK	cmyk(26.7%, 78.5%, 0%, 47.1%)
CIE-LAB	lab(27.52, 48.12, -44.78)
CIE-LCH	lch(27.52, 65.73, 317.06°)
OKLab	oklab(39.68% 0.1102 -0.1269)
OKLCH	oklch(39.68% 0.168 311)
XYZ	xyz(9.9573, 5.2809, 23.4118)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D87 #41871D

analogous

#2E1D87 #631D87 #871D76

triadic

#631D87 #87631D #1D8763

tetradic

#631D87 #872E1D #41871D #1D7687

square

#631D87 #872E1D #41871D #1D7687

split-complementary

#631D87 #76871D #1D872E

monochromatic

#190722 #3E1255 #631D87 #8828B9 #A647D7

Accessibility & contrast

On white

10.21

#631D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#631D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D87

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D87	#FFFFFF	#000000	##FFFFFF
##631D87	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#044285

Tritanopia (blue-blind)

#5E3651

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631d87;
/* rgb */ color: rgb(99, 29, 135);
/* oklch */ color: oklch(39.7% 0.168 311.0);

Tailwind

colors: {
  custom: {
    50: '#9461ab',
    500: '#631d87',
    950: '#000000',
  },
}

SCSS

$custom: #631d87;
$custom-light: #9461ab;
$custom-dark: #000000;

JSON

{
  "hex": "#631d87",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 135
  },
  "hsl": {
    "h": 279.623,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3968,
    "c": 0.16805,
    "h": 311
  },
  "luminance": 0.05281
}

Semantic roles & 50–950 ramp

primary

#631D87

secondary

#6DB946

accent

#E84079

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631D87

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

Preview Lab → · Contrast checker → · Palette generator →