#631373#631373

#631373 is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.3% C 0.160 H 320.1°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#631373
RGB	rgb(99, 19, 115)
HSL	hsl(290, 72%, 26%)
HSV	hsv(290, 83%, 45%)
CMYK	cmyk(13.9%, 83.5%, 0%, 54.9%)
CIE-LAB	lab(24.82, 47.42, -36.49)
CIE-LCH	lch(24.82, 59.84, 322.42°)
OKLab	oklab(37.3% 0.1225 -0.1025)
OKLCH	oklch(37.3% 0.16 320.1)
XYZ	xyz(8.4726, 4.3566, 16.6110)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631373 #237313

analogous

#331373 #631373 #731353

triadic

#631373 #736313 #137363

tetradic

#631373 #733313 #237313 #135373

square

#631373 #733313 #237313 #135373

split-complementary

#631373 #537313 #137333

monochromatic

#17041A #360A3E #631373 #901CA8 #BD25DB

Accessibility & contrast

On white

11.22

#631373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#631373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631373

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631373	#FFFFFF	#000000	##FFFFFF
##631373	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003676

Deuteranopia (green-blind)

#1D3E71

Tritanopia (blue-blind)

#632844

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #631373;
/* rgb */ color: rgb(99, 19, 115);
/* oklch */ color: oklch(37.3% 0.160 320.1);

Tailwind

colors: {
  custom: {
    50: '#935c9c',
    500: '#631373',
    950: '#000000',
  },
}

SCSS

$custom: #631373;
$custom-light: #935c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#631373",
  "rgb": {
    "r": 99,
    "g": 19,
    "b": 115
  },
  "hsl": {
    "h": 290,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37303,
    "c": 0.15973,
    "h": 320.1
  },
  "luminance": 0.04356
}

Semantic roles & 50–950 ramp

primary

#631373

secondary

#4BAA38

accent

#EE3958

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631373

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

Preview Lab → · Contrast checker → · Palette generator →