#631759#631759

#631759 is a dark, vivid purple. Relative luminance 0.040; OKLCH L 35.9% C 0.133 H 333.9°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#631759
RGB	rgb(99, 23, 89)
HSL	hsl(308, 62%, 24%)
HSV	hsv(308, 77%, 39%)
CMYK	cmyk(0%, 76.8%, 10.1%, 61.2%)
CIE-LAB	lab(23.63, 41.28, -21.42)
CIE-LCH	lch(23.63, 46.51, 332.58°)
OKLab	oklab(35.92% 0.1197 -0.0586)
OKLCH	oklch(35.92% 0.133 333.9)
XYZ	xyz(7.2552, 3.9873, 9.8368)
Luminance	0.0399 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631759 #176321

analogous

#471763 #631759 #631733

triadic

#631759 #596317 #175963

tetradic

#631759 #634717 #176321 #173363

square

#631759 #634717 #176321 #173363

split-complementary

#631759 #336317 #176347

monochromatic

#190616 #310B2C #631759 #952386 #C62EB2

Accessibility & contrast

On white

11.68

#631759 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#631759 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631759

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631759	#FFFFFF	#000000	##FFFFFF
##631759	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15315B

Deuteranopia (green-blind)

#313C57

Tritanopia (blue-blind)

#681E36

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #631759;
/* rgb */ color: rgb(99, 23, 89);
/* oklch */ color: oklch(35.9% 0.133 333.9);

Tailwind

colors: {
  custom: {
    50: '#925d88',
    500: '#631759',
    950: '#000000',
  },
}

SCSS

$custom: #631759;
$custom-light: #925d88;
$custom-dark: #000000;

JSON

{
  "hex": "#631759",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 89
  },
  "hsl": {
    "h": 307.895,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35923,
    "c": 0.13328,
    "h": 333.9
  },
  "luminance": 0.03987
}

Semantic roles & 50–950 ramp

primary

#631759

secondary

#3C9A49

accent

#E55842

background

#F9F5F8

surface

#F2E9EF

border

#CCC5CA

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #631759

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

Preview Lab → · Contrast checker → · Palette generator →