#631E83#631E83

#631E83 is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.5% C 0.163 H 312.4°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#631E83
RGB	rgb(99, 30, 131)
HSL	hsl(281, 63%, 32%)
HSV	hsv(281, 77%, 51%)
CMYK	cmyk(24.4%, 77.1%, 0%, 48.6%)
CIE-LAB	lab(27.35, 46.84, -42.55)
CIE-LCH	lch(27.35, 63.28, 317.75°)
OKLab	oklab(39.47% 0.11 -0.1203)
OKLCH	oklch(39.47% 0.163 312.4)
XYZ	xyz(9.7059, 5.2202, 21.9646)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.36

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E83 #3E831E

analogous

#311E83 #631E83 #831E71

triadic

#631E83 #83631E #1E8363

tetradic

#631E83 #83311E #3E831E #1E7183

square

#631E83 #83311E #3E831E #1E7183

split-complementary

#631E83 #71831E #1E8331

monochromatic

#18071F #3D1351 #631E83 #8929B5 #A847D5

Accessibility & contrast

On white

10.27

#631E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#631E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E83

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E83	#FFFFFF	#000000	##FFFFFF
##631E83	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D86

Deuteranopia (green-blind)

#104281

Tritanopia (blue-blind)

#5F354F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631e83;
/* rgb */ color: rgb(99, 30, 131);
/* oklch */ color: oklch(39.5% 0.163 312.4);

Tailwind

colors: {
  custom: {
    50: '#9362a8',
    500: '#631e83',
    950: '#000000',
  },
}

SCSS

$custom: #631e83;
$custom-light: #9362a8;
$custom-dark: #000000;

JSON

{
  "hex": "#631e83",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 131
  },
  "hsl": {
    "h": 280.99,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39465,
    "c": 0.16301,
    "h": 312.4
  },
  "luminance": 0.0522
}

Semantic roles & 50–950 ramp

primary

#631E83

secondary

#6AB647

accent

#E64276

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0510

muted

#7E7A7F

Preview Lab

Preview with #631E83

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

Preview Lab → · Contrast checker → · Palette generator →