#631F76#631F76

#631F76 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.6% C 0.149 H 317.9°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#631F76
RGB	rgb(99, 31, 118)
HSL	hsl(287, 58%, 29%)
HSV	hsv(287, 74%, 46%)
CMYK	cmyk(16.1%, 73.7%, 0%, 53.7%)
CIE-LAB	lab(26.57, 43.62, -35.60)
CIE-LCH	lch(26.57, 56.30, 320.78°)
OKLab	oklab(38.61% 0.1106 -0.0999)
OKLCH	oklch(38.61% 0.149 317.9)
XYZ	xyz(8.9051, 4.9410, 17.6207)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631F76 #32761F

analogous

#381F76 #631F76 #761F5E

triadic

#631F76 #76631F #1F7663

tetradic

#631F76 #76381F #32761F #1F5E76

square

#631F76 #76381F #32761F #1F5E76

split-complementary

#631F76 #5E761F #1F7638

monochromatic

#140618 #3A1246 #631F76 #8C2CA6 #AF42CD

Accessibility & contrast

On white

10.56

#631F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#631F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631F76

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631F76	#FFFFFF	#000000	##FFFFFF
##631F76	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B78

Deuteranopia (green-blind)

#224174

Tritanopia (blue-blind)

#623048

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #631f76;
/* rgb */ color: rgb(99, 31, 118);
/* oklch */ color: oklch(38.6% 0.149 317.9);

Tailwind

colors: {
  custom: {
    50: '#92629e',
    500: '#631f76',
    950: '#000000',
  },
}

SCSS

$custom: #631f76;
$custom-light: #92629e;
$custom-dark: #000000;

JSON

{
  "hex": "#631f76",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 118
  },
  "hsl": {
    "h": 286.897,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3861,
    "c": 0.14908,
    "h": 317.9
  },
  "luminance": 0.04941
}

Semantic roles & 50–950 ramp

primary

#631F76

secondary

#5DAA47

accent

#E24668

background

#F9F6F9

surface

#F2EBF2

border

#CCC6CC

text

#0D050E

muted

#7E7A7E

Preview Lab

Preview with #631F76

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

Preview Lab → · Contrast checker → · Palette generator →