#631573#631573

#631573 is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.5% C 0.158 H 320.0°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#631573
RGB	rgb(99, 21, 115)
HSL	hsl(290, 69%, 27%)
HSV	hsv(290, 82%, 45%)
CMYK	cmyk(13.9%, 81.7%, 0%, 54.9%)
CIE-LAB	lab(25.04, 46.78, -36.14)
CIE-LCH	lch(25.04, 59.12, 322.32°)
OKLab	oklab(37.46% 0.1208 -0.1015)
OKLCH	oklch(37.46% 0.158 320)
XYZ	xyz(8.5079, 4.4272, 16.6227)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631573 #257315

analogous

#341573 #631573 #731554

triadic

#631573 #736315 #157363

tetradic

#631573 #733415 #257315 #155473

square

#631573 #733415 #257315 #155473

split-complementary

#631573 #547315 #157334

monochromatic

#16051A #360C3F #631573 #901EA7 #BB2AD8

Accessibility & contrast

On white

11.14

#631573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#631573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631573

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631573	#FFFFFF	#000000	##FFFFFF
##631573	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003675

Deuteranopia (green-blind)

#1E3E71

Tritanopia (blue-blind)

#632944

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #631573;
/* rgb */ color: rgb(99, 21, 115);
/* oklch */ color: oklch(37.5% 0.158 320.0);

Tailwind

colors: {
  custom: {
    50: '#935d9c',
    500: '#631573',
    950: '#000000',
  },
}

SCSS

$custom: #631573;
$custom-light: #935d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#631573",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 115
  },
  "hsl": {
    "h": 289.787,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.37457,
    "c": 0.15779,
    "h": 320
  },
  "luminance": 0.04427
}

Semantic roles & 50–950 ramp

primary

#631573

secondary

#4EA93B

accent

#EC3C5A

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631573

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

Preview Lab → · Contrast checker → · Palette generator →