#631571#631571

#631571 is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.3% C 0.156 H 320.9°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#631571
RGB	rgb(99, 21, 113)
HSL	hsl(291, 69%, 26%)
HSV	hsv(291, 81%, 44%)
CMYK	cmyk(12.4%, 81.4%, 0%, 55.7%)
CIE-LAB	lab(24.90, 46.39, -35.08)
CIE-LCH	lch(24.90, 58.16, 322.90°)
OKLab	oklab(37.31% 0.1211 -0.0984)
OKLCH	oklch(37.31% 0.156 320.9)
XYZ	xyz(8.3940, 4.3817, 16.0232)
Luminance	0.0438 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631571 #237115

analogous

#351571 #631571 #711551

triadic

#631571 #716315 #157163

tetradic

#631571 #713515 #237115 #155171

square

#631571 #713515 #237115 #155171

split-complementary

#631571 #517115 #157135

monochromatic

#17051A #360B3D #631571 #901FA5 #BD29D7

Accessibility & contrast

On white

11.19

#631571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#631571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631571

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631571	#FFFFFF	#000000	##FFFFFF
##631571	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003673

Deuteranopia (green-blind)

#203E6F

Tritanopia (blue-blind)

#642843

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #631571;
/* rgb */ color: rgb(99, 21, 113);
/* oklch */ color: oklch(37.3% 0.156 320.9);

Tailwind

colors: {
  custom: {
    50: '#935d9a',
    500: '#631571',
    950: '#000000',
  },
}

SCSS

$custom: #631571;
$custom-light: #935d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#631571",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 113
  },
  "hsl": {
    "h": 290.87,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37313,
    "c": 0.15601,
    "h": 320.9
  },
  "luminance": 0.04381
}

Semantic roles & 50–950 ramp

primary

#631571

secondary

#4BA73B

accent

#EB3C57

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631571

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

Preview Lab → · Contrast checker → · Palette generator →