#631A8D#631A8D

#631A8D is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.177 H 309.0°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#631A8D
RGB	rgb(99, 26, 141)
HSL	hsl(278, 69%, 33%)
HSV	hsv(278, 82%, 55%)
CMYK	cmyk(29.8%, 81.6%, 0%, 44.7%)
CIE-LAB	lab(27.61, 50.56, -48.37)
CIE-LCH	lch(27.61, 69.97, 316.27°)
OKLab	oklab(39.89% 0.1114 -0.1374)
OKLCH	oklch(39.89% 0.177 309)
XYZ	xyz(10.3217, 5.3147, 25.6762)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A8D #448D1A

analogous

#2A1A8D #631A8D #8D1A7D

triadic

#631A8D #8D631A #1A8D63

tetradic

#631A8D #8D2A1A #448D1A #1A7D8D

square

#631A8D #8D2A1A #448D1A #1A7D8D

split-complementary

#631A8D #7D8D1A #1A8D2A

monochromatic

#1A0726 #3F1059 #631A8D #8724C1 #A545DD

Accessibility & contrast

On white

10.18

#631A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#631A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A8D

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A8D	#FFFFFF	#000000	##FFFFFF
##631A8D	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#5D3854

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631a8d;
/* rgb */ color: rgb(99, 26, 141);
/* oklch */ color: oklch(39.9% 0.177 309.0);

Tailwind

colors: {
  custom: {
    50: '#9460af',
    500: '#631a8d',
    950: '#000000',
  },
}

SCSS

$custom: #631a8d;
$custom-light: #9460af;
$custom-dark: #000000;

JSON

{
  "hex": "#631a8d",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 141
  },
  "hsl": {
    "h": 278.087,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39894,
    "c": 0.17691,
    "h": 309
  },
  "luminance": 0.05315
}

Semantic roles & 50–950 ramp

primary

#631A8D

secondary

#71BE45

accent

#EC3C7C

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631A8D

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

Preview Lab → · Contrast checker → · Palette generator →