#631663#631663

#631663 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.4% C 0.143 H 328.0°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#631663
RGB	rgb(99, 22, 99)
HSL	hsl(300, 64%, 24%)
HSV	hsv(300, 78%, 39%)
CMYK	cmyk(0%, 77.8%, 0%, 61.2%)
CIE-LAB	lab(24.09, 43.40, -27.28)
CIE-LCH	lch(24.09, 51.27, 327.85°)
OKLab	oklab(36.44% 0.1211 -0.0756)
OKLCH	oklch(36.44% 0.143 328)
XYZ	xyz(7.6845, 4.1279, 12.1940)
Luminance	0.0413 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631663 #166316

analogous

#3C1663 #631663 #63163C

triadic

#631663 #636316 #166363

tetradic

#631663 #633C16 #166316 #163C63

square

#631663 #633C16 #166316 #163C63

split-complementary

#631663 #3C6316 #16633C

monochromatic

#190619 #310B31 #631663 #952195 #C72CC7

Accessibility & contrast

On white

11.50

#631663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#631663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631663

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631663	#FFFFFF	#000000	##FFFFFF
##631663	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063365

Deuteranopia (green-blind)

#2B3D61

Tritanopia (blue-blind)

#66223B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #631663;
/* rgb */ color: rgb(99, 22, 99);
/* oklch */ color: oklch(36.4% 0.143 328.0);

Tailwind

colors: {
  custom: {
    50: '#925d90',
    500: '#631663',
    950: '#000000',
  },
}

SCSS

$custom: #631663;
$custom-light: #925d90;
$custom-dark: #000000;

JSON

{
  "hex": "#631663",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 99
  },
  "hsl": {
    "h": 300,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.36444,
    "c": 0.14277,
    "h": 328
  },
  "luminance": 0.04127
}

Semantic roles & 50–950 ramp

primary

#631663

secondary

#3B9A3B

accent

#E74141

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #631663

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

Preview Lab → · Contrast checker → · Palette generator →