#631F7D#631F7D

#631F7D is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.1% C 0.156 H 314.8°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#631F7D
RGB	rgb(99, 31, 125)
HSL	hsl(283, 60%, 31%)
HSV	hsv(283, 75%, 49%)
CMYK	cmyk(20.8%, 75.2%, 0%, 51%)
CIE-LAB	lab(27.06, 45.12, -39.25)
CIE-LCH	lch(27.06, 59.80, 318.98°)
OKLab	oklab(39.12% 0.1099 -0.1107)
OKLCH	oklch(39.12% 0.156 314.8)
XYZ	xyz(9.3366, 5.1136, 19.8933)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631F7D #397D1F

analogous

#341F7D #631F7D #7D1F68

triadic

#631F7D #7D631F #1F7D63

tetradic

#631F7D #7D341F #397D1F #1F687D

square

#631F7D #7D341F #397D1F #1F687D

split-complementary

#631F7D #687D1F #1F7D34

monochromatic

#15071B #3C134C #631F7D #8A2BAE #AA45D1

Accessibility & contrast

On white

10.38

#631F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#631F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631F7D

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631F7D	#FFFFFF	#000000	##FFFFFF
##631F7D	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C80

Deuteranopia (green-blind)

#1B427B

Tritanopia (blue-blind)

#61334C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #631f7d;
/* rgb */ color: rgb(99, 31, 125);
/* oklch */ color: oklch(39.1% 0.156 314.8);

Tailwind

colors: {
  custom: {
    50: '#9362a3',
    500: '#631f7d',
    950: '#000000',
  },
}

SCSS

$custom: #631f7d;
$custom-light: #9362a3;
$custom-dark: #000000;

JSON

{
  "hex": "#631f7d",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 125
  },
  "hsl": {
    "h": 283.404,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.39115,
    "c": 0.15593,
    "h": 314.8
  },
  "luminance": 0.05113
}

Semantic roles & 50–950 ramp

primary

#631F7D

secondary

#65B048

accent

#E34470

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D050F

muted

#7E7A7F

Preview Lab

Preview with #631F7D

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

Preview Lab → · Contrast checker → · Palette generator →