#631374#631374

#631374 is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.4% C 0.161 H 319.6°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#631374
RGB	rgb(99, 19, 116)
HSL	hsl(289, 72%, 26%)
HSV	hsv(289, 84%, 45%)
CMYK	cmyk(14.7%, 83.6%, 0%, 54.5%)
CIE-LAB	lab(24.89, 47.62, -37.02)
CIE-LCH	lch(24.89, 60.31, 322.14°)
OKLab	oklab(37.38% 0.1224 -0.104)
OKLCH	oklch(37.38% 0.161 319.6)
XYZ	xyz(8.5304, 4.3798, 16.9157)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631374 #247413

analogous

#331374 #631374 #741355

triadic

#631374 #746313 #137463

tetradic

#631374 #743313 #247413 #135574

square

#631374 #743313 #247413 #135574

split-complementary

#631374 #557413 #137433

monochromatic

#16041A #360A3F #631374 #901CA9 #BC26DB

Accessibility & contrast

On white

11.20

#631374 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#631374 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631374

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631374	#FFFFFF	#000000	##FFFFFF
##631374	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003677

Deuteranopia (green-blind)

#1C3E72

Tritanopia (blue-blind)

#632944

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #631374;
/* rgb */ color: rgb(99, 19, 116);
/* oklch */ color: oklch(37.4% 0.161 319.6);

Tailwind

colors: {
  custom: {
    50: '#935c9d',
    500: '#631374',
    950: '#000000',
  },
}

SCSS

$custom: #631374;
$custom-light: #935c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#631374",
  "rgb": {
    "r": 99,
    "g": 19,
    "b": 116
  },
  "hsl": {
    "h": 289.485,
    "s": 71.852,
    "l": 26.471
  },
  "oklch": {
    "l": 0.37376,
    "c": 0.1606,
    "h": 319.6
  },
  "luminance": 0.04379
}

Semantic roles & 50–950 ramp

primary

#631374

secondary

#4CAA38

accent

#EF3959

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631374

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

Preview Lab → · Contrast checker → · Palette generator →