#631C86#631C86

#631C86 is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.5% C 0.168 H 311.4°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#631C86
RGB	rgb(99, 28, 134)
HSL	hsl(280, 65%, 32%)
HSV	hsv(280, 79%, 53%)
CMYK	cmyk(26.1%, 79.1%, 0%, 47.5%)
CIE-LAB	lab(27.31, 48.28, -44.50)
CIE-LCH	lch(27.31, 65.66, 317.33°)
OKLab	oklab(39.51% 0.1113 -0.126)
OKLCH	oklch(39.51% 0.168 311.4)
XYZ	xyz(9.8631, 5.2046, 23.0347)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631C86 #3F861C

analogous

#2E1C86 #631C86 #861C74

triadic

#631C86 #86631C #1C8663

tetradic

#631C86 #862E1C #3F861C #1C7486

square

#631C86 #862E1C #3F861C #1C7486

split-complementary

#631C86 #74861C #1C862E

monochromatic

#180721 #3E1153 #631C86 #8827B9 #A744D8

Accessibility & contrast

On white

10.29

#631C86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#631C86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631C86

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631C86	#FFFFFF	#000000	##FFFFFF
##631C86	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D89

Deuteranopia (green-blind)

#054284

Tritanopia (blue-blind)

#5E3550

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #631c86;
/* rgb */ color: rgb(99, 28, 134);
/* oklch */ color: oklch(39.5% 0.168 311.4);

Tailwind

colors: {
  custom: {
    50: '#9461aa',
    500: '#631c86',
    950: '#000000',
  },
}

SCSS

$custom: #631c86;
$custom-light: #9461aa;
$custom-dark: #000000;

JSON

{
  "hex": "#631c86",
  "rgb": {
    "r": 99,
    "g": 28,
    "b": 134
  },
  "hsl": {
    "h": 280.189,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39507,
    "c": 0.16815,
    "h": 311.4
  },
  "luminance": 0.05204
}

Semantic roles & 50–950 ramp

primary

#631C86

secondary

#6BB945

accent

#E83F77

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631C86

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

Preview Lab → · Contrast checker → · Palette generator →