#631584#631584

#631584 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.8% C 0.173 H 312.8°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#631584
RGB	rgb(99, 21, 132)
HSL	hsl(282, 73%, 30%)
HSV	hsv(282, 84%, 52%)
CMYK	cmyk(25%, 84.1%, 0%, 48.2%)
CIE-LAB	lab(26.32, 50.27, -44.85)
CIE-LCH	lch(26.32, 67.37, 318.26°)
OKLab	oklab(38.76% 0.1176 -0.127)
OKLCH	oklch(38.76% 0.173 312.8)
XYZ	xyz(9.5779, 4.8552, 22.2579)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Indigo

#4B0082

ΔE00 5.28

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631584 #368415

analogous

#2B1584 #631584 #84156E

triadic

#631584 #846315 #158463

tetradic

#631584 #842B15 #368415 #156E84

square

#631584 #842B15 #368415 #156E84

split-complementary

#631584 #6E8415 #15842B

monochromatic

#14041A #3B0D4F #631584 #8B1DB9 #AC35DF

Accessibility & contrast

On white

10.65

#631584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#631584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631584

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631584	#FFFFFF	#000000	##FFFFFF
##631584	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B87

Deuteranopia (green-blind)

#004082

Tritanopia (blue-blind)

#5F314E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #631584;
/* rgb */ color: rgb(99, 21, 132);
/* oklch */ color: oklch(38.8% 0.173 312.8);

Tailwind

colors: {
  custom: {
    50: '#945ea8',
    500: '#631584',
    950: '#000000',
  },
}

SCSS

$custom: #631584;
$custom-light: #945ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#631584",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 132
  },
  "hsl": {
    "h": 282.162,
    "s": 72.549,
    "l": 30
  },
  "oklch": {
    "l": 0.38763,
    "c": 0.1731,
    "h": 312.8
  },
  "luminance": 0.04855
}

Semantic roles & 50–950 ramp

primary

#631584

secondary

#61B93C

accent

#EF396F

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631584

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

Preview Lab → · Contrast checker → · Palette generator →