#631481#631481

#631481 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.4% C 0.171 H 314.0°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#631481
RGB	rgb(99, 20, 129)
HSL	hsl(283, 73%, 29%)
HSV	hsv(283, 84%, 51%)
CMYK	cmyk(23.3%, 84.5%, 0%, 49.4%)
CIE-LAB	lab(25.98, 49.95, -43.52)
CIE-LCH	lch(25.98, 66.25, 318.93°)
OKLab	oklab(38.45% 0.1191 -0.1231)
OKLCH	oklch(38.45% 0.171 314)
XYZ	xyz(9.3575, 4.7383, 21.1863)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Indigo

#4B0082

ΔE00 5.41

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631481 #328114

analogous

#2D1481 #631481 #811469

triadic

#631481 #816314 #148163

tetradic

#631481 #812D14 #328114 #146981

square

#631481 #812D14 #328114 #146981

split-complementary

#631481 #698114 #14812D

monochromatic

#14041A #3A0C4C #631481 #8C1CB6 #AF30DF

Accessibility & contrast

On white

10.78

#631481 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#631481 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631481

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631481	#FFFFFF	#000000	##FFFFFF
##631481	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003984

Deuteranopia (green-blind)

#063F7F

Tritanopia (blue-blind)

#60304C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #631481;
/* rgb */ color: rgb(99, 20, 129);
/* oklch */ color: oklch(38.4% 0.171 314.0);

Tailwind

colors: {
  custom: {
    50: '#945da6',
    500: '#631481',
    950: '#000000',
  },
}

SCSS

$custom: #631481;
$custom-light: #945da6;
$custom-dark: #000000;

JSON

{
  "hex": "#631481",
  "rgb": {
    "r": 99,
    "g": 20,
    "b": 129
  },
  "hsl": {
    "h": 283.486,
    "s": 73.154,
    "l": 29.216
  },
  "oklch": {
    "l": 0.38449,
    "c": 0.17126,
    "h": 314
  },
  "luminance": 0.04738
}

Semantic roles & 50–950 ramp

primary

#631481

secondary

#5DB63B

accent

#F0386B

background

#F9F5FA

surface

#F2E9F4

border

#CCC5CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #631481

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

Preview Lab → · Contrast checker → · Palette generator →