#631D80#631D80

#631D80 is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.1% C 0.161 H 313.7°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#631D80
RGB	rgb(99, 29, 128)
HSL	hsl(282, 63%, 31%)
HSV	hsv(282, 77%, 50%)
CMYK	cmyk(22.7%, 77.3%, 0%, 49.8%)
CIE-LAB	lab(26.99, 46.58, -41.25)
CIE-LCH	lch(26.99, 62.22, 318.47°)
OKLab	oklab(39.14% 0.1115 -0.1165)
OKLCH	oklch(39.14% 0.161 313.7)
XYZ	xyz(9.4806, 5.0902, 20.9010)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D80 #3A801D

analogous

#311D80 #631D80 #801D6B

triadic

#631D80 #80631D #1D8063

tetradic

#631D80 #80311D #3A801D #1D6B80

square

#631D80 #80311D #3A801D #1D6B80

split-complementary

#631D80 #6B801D #1D8031

monochromatic

#16061C #3C124E #631D80 #8A28B2 #AA43D4

Accessibility & contrast

On white

10.41

#631D80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#631D80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D80

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D80	#FFFFFF	#000000	##FFFFFF
##631D80	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C83

Deuteranopia (green-blind)

#14417E

Tritanopia (blue-blind)

#60334D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #631d80;
/* rgb */ color: rgb(99, 29, 128);
/* oklch */ color: oklch(39.1% 0.161 313.7);

Tailwind

colors: {
  custom: {
    50: '#9361a5',
    500: '#631d80',
    950: '#000000',
  },
}

SCSS

$custom: #631d80;
$custom-light: #9361a5;
$custom-dark: #000000;

JSON

{
  "hex": "#631d80",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 128
  },
  "hsl": {
    "h": 282.424,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39138,
    "c": 0.16123,
    "h": 313.7
  },
  "luminance": 0.0509
}

Semantic roles & 50–950 ramp

primary

#631D80

secondary

#66B345

accent

#E64272

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D050F

muted

#7E7A7F

Preview Lab

Preview with #631D80

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

Preview Lab → · Contrast checker → · Palette generator →