#631558#631558

#631558 is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.7% C 0.135 H 334.5°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#631558
RGB	rgb(99, 21, 88)
HSL	hsl(308, 65%, 24%)
HSV	hsv(308, 79%, 39%)
CMYK	cmyk(0%, 78.8%, 11.1%, 61.2%)
CIE-LAB	lab(23.32, 41.84, -21.24)
CIE-LCH	lch(23.32, 46.92, 333.09°)
OKLab	oklab(35.68% 0.1217 -0.0581)
OKLCH	oklch(35.68% 0.135 334.5)
XYZ	xyz(7.1753, 3.8942, 9.6044)
Luminance	0.0389 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631558 #156320

analogous

#471563 #631558 #631531

triadic

#631558 #586315 #155863

tetradic

#631558 #634715 #156320 #153163

square

#631558 #634715 #156320 #153163

split-complementary

#631558 #316315 #156347

monochromatic

#190516 #310A2B #631558 #952085 #C82AB2

Accessibility & contrast

On white

11.81

#631558 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#631558 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631558

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631558	#FFFFFF	#000000	##FFFFFF
##631558	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14305A

Deuteranopia (green-blind)

#303C56

Tritanopia (blue-blind)

#681C35

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #631558;
/* rgb */ color: rgb(99, 21, 88);
/* oklch */ color: oklch(35.7% 0.135 334.5);

Tailwind

colors: {
  custom: {
    50: '#925c87',
    500: '#631558',
    950: '#000000',
  },
}

SCSS

$custom: #631558;
$custom-light: #925c87;
$custom-dark: #000000;

JSON

{
  "hex": "#631558",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 88
  },
  "hsl": {
    "h": 308.462,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35681,
    "c": 0.1349,
    "h": 334.5
  },
  "luminance": 0.03894
}

Semantic roles & 50–950 ramp

primary

#631558

secondary

#3A9A47

accent

#E85840

background

#F9F5F8

surface

#F2E9EF

border

#CCC5CA

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #631558

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

Preview Lab → · Contrast checker → · Palette generator →