#631371#631371

#631371 is a dark, vivid purple. Relative luminance 0.043; OKLCH L 37.2% C 0.158 H 321.0°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#631371
RGB	rgb(99, 19, 113)
HSL	hsl(291, 71%, 26%)
HSV	hsv(291, 83%, 44%)
CMYK	cmyk(12.4%, 83.2%, 0%, 55.7%)
CIE-LAB	lab(24.67, 47.03, -35.44)
CIE-LCH	lch(24.67, 58.89, 323.00°)
OKLab	oklab(37.16% 0.1228 -0.0994)
OKLCH	oklch(37.16% 0.158 321)
XYZ	xyz(8.3588, 4.3111, 16.0114)
Luminance	0.0431 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631371 #217113

analogous

#341371 #631371 #711350

triadic

#631371 #716313 #137163

tetradic

#631371 #713413 #217113 #135071

square

#631371 #713413 #217113 #135071

split-complementary

#631371 #507113 #137134

monochromatic

#17041A #350A3D #631371 #911CA5 #BF25DA

Accessibility & contrast

On white

11.28

#631371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#631371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631371

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631371	#FFFFFF	#000000	##FFFFFF
##631371	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003573

Deuteranopia (green-blind)

#1F3D6F

Tritanopia (blue-blind)

#642742

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #631371;
/* rgb */ color: rgb(99, 19, 113);
/* oklch */ color: oklch(37.2% 0.158 321.0);

Tailwind

colors: {
  custom: {
    50: '#935c9a',
    500: '#631371',
    950: '#000000',
  },
}

SCSS

$custom: #631371;
$custom-light: #935c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#631371",
  "rgb": {
    "r": 99,
    "g": 19,
    "b": 113
  },
  "hsl": {
    "h": 291.064,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.37157,
    "c": 0.15798,
    "h": 321
  },
  "luminance": 0.04311
}

Semantic roles & 50–950 ramp

primary

#631371

secondary

#49A838

accent

#EE3A55

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631371

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

Preview Lab → · Contrast checker → · Palette generator →