#631883#631883

#631883 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.9% C 0.169 H 313.0°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#631883
RGB	rgb(99, 24, 131)
HSL	hsl(282, 69%, 30%)
HSV	hsv(282, 82%, 51%)
CMYK	cmyk(24.4%, 81.7%, 0%, 48.6%)
CIE-LAB	lab(26.58, 49.07, -43.81)
CIE-LCH	lch(26.58, 65.78, 318.25°)
OKLab	oklab(38.92% 0.1154 -0.124)
OKLCH	oklch(38.92% 0.169 313)
XYZ	xyz(9.5682, 4.9449, 21.9188)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Indigo

#4B0082

ΔE00 5.57

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631883 #388318

analogous

#2D1883 #631883 #83186D

triadic

#631883 #836318 #188363

tetradic

#631883 #832D18 #388318 #186D83

square

#631883 #832D18 #388318 #186D83

split-complementary

#631883 #6D8318 #18832D

monochromatic

#15051C #3C0F4F #631883 #8A21B7 #AB3ADB

Accessibility & contrast

On white

10.56

#631883 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#631883 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631883

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631883	#FFFFFF	#000000	##FFFFFF
##631883	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B86

Deuteranopia (green-blind)

#064081

Tritanopia (blue-blind)

#5F324E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #631883;
/* rgb */ color: rgb(99, 24, 131);
/* oklch */ color: oklch(38.9% 0.169 313.0);

Tailwind

colors: {
  custom: {
    50: '#945fa8',
    500: '#631883',
    950: '#000000',
  },
}

SCSS

$custom: #631883;
$custom-light: #945fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#631883",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 131
  },
  "hsl": {
    "h": 282.056,
    "s": 69.032,
    "l": 30.392
  },
  "oklch": {
    "l": 0.38919,
    "c": 0.1694,
    "h": 313
  },
  "luminance": 0.04945
}

Semantic roles & 50–950 ramp

primary

#631883

secondary

#63B740

accent

#EC3C71

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631883

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

Preview Lab → · Contrast checker → · Palette generator →