#631566#631566

#631566 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.6% C 0.146 H 326.4°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#631566
RGB	rgb(99, 21, 102)
HSL	hsl(298, 66%, 24%)
HSV	hsv(298, 79%, 40%)
CMYK	cmyk(2.9%, 79.4%, 0%, 60%)
CIE-LAB	lab(24.16, 44.30, -29.14)
CIE-LCH	lch(24.16, 53.02, 326.67°)
OKLab	oklab(36.55% 0.122 -0.081)
OKLCH	oklch(36.55% 0.146 326.4)
XYZ	xyz(7.8119, 4.1488, 12.9571)
Luminance	0.0415 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631566 #186615

analogous

#3B1566 #631566 #661541

triadic

#631566 #666315 #156663

tetradic

#631566 #663B15 #186615 #154166

square

#631566 #663B15 #186615 #154166

split-complementary

#631566 #416615 #15663B

monochromatic

#190519 #320B33 #631566 #941F99 #C62ACC

Accessibility & contrast

On white

11.48

#631566 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#631566 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631566

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631566	#FFFFFF	#000000	##FFFFFF
##631566	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003368

Deuteranopia (green-blind)

#293D64

Tritanopia (blue-blind)

#66233D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #631566;
/* rgb */ color: rgb(99, 21, 102);
/* oklch */ color: oklch(36.6% 0.146 326.4);

Tailwind

colors: {
  custom: {
    50: '#925c92',
    500: '#631566',
    950: '#000000',
  },
}

SCSS

$custom: #631566;
$custom-light: #925c92;
$custom-dark: #000000;

JSON

{
  "hex": "#631566",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 102
  },
  "hsl": {
    "h": 297.778,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.36553,
    "c": 0.14644,
    "h": 326.4
  },
  "luminance": 0.04148
}

Semantic roles & 50–950 ramp

primary

#631566

secondary

#3E9D3A

accent

#E93F45

background

#F9F5F9

surface

#F2E9F1

border

#CCC5CB

text

#0D050D

muted

#7E797E

Preview Lab

Preview with #631566

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

Preview Lab → · Contrast checker → · Palette generator →