#631559#631559

#631559 is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.7% C 0.136 H 333.9°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#631559
RGB	rgb(99, 21, 89)
HSL	hsl(308, 65%, 24%)
HSV	hsv(308, 79%, 39%)
CMYK	cmyk(0%, 78.8%, 10.1%, 61.2%)
CIE-LAB	lab(23.37, 42.01, -21.82)
CIE-LCH	lch(23.37, 47.34, 332.56°)
OKLab	oklab(35.74% 0.1218 -0.0598)
OKLCH	oklch(35.74% 0.136 333.9)
XYZ	xyz(7.2170, 3.9109, 9.8240)
Luminance	0.0391 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631559 #15631F

analogous

#461563 #631559 #631532

triadic

#631559 #596315 #155963

tetradic

#631559 #634615 #15631F #153263

square

#631559 #634615 #15631F #153263

split-complementary

#631559 #326315 #156346

monochromatic

#190517 #310A2C #631559 #952086 #C82AB4

Accessibility & contrast

On white

11.78

#631559 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#631559 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631559

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631559	#FFFFFF	#000000	##FFFFFF
##631559	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13305B

Deuteranopia (green-blind)

#303C57

Tritanopia (blue-blind)

#681C35

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #631559;
/* rgb */ color: rgb(99, 21, 89);
/* oklch */ color: oklch(35.7% 0.136 333.9);

Tailwind

colors: {
  custom: {
    50: '#925c88',
    500: '#631559',
    950: '#000000',
  },
}

SCSS

$custom: #631559;
$custom-light: #925c88;
$custom-dark: #000000;

JSON

{
  "hex": "#631559",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 89
  },
  "hsl": {
    "h": 307.692,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.3574,
    "c": 0.1357,
    "h": 333.9
  },
  "luminance": 0.0391
}

Semantic roles & 50–950 ramp

primary

#631559

secondary

#3A9A46

accent

#E85540

background

#F9F5F8

surface

#F2E9EF

border

#CCC5CA

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #631559

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

Preview Lab → · Contrast checker → · Palette generator →