#631688#631688

#631688 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.2% C 0.176 H 311.2°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#631688
RGB	rgb(99, 22, 136)
HSL	hsl(281, 72%, 31%)
HSV	hsv(281, 84%, 53%)
CMYK	cmyk(27.2%, 83.8%, 0%, 46.7%)
CIE-LAB	lab(26.75, 50.81, -46.66)
CIE-LCH	lch(26.75, 68.98, 317.43°)
OKLab	oklab(39.16% 0.1158 -0.1324)
OKLCH	oklch(39.16% 0.176 311.2)
XYZ	xyz(9.8756, 5.0043, 23.7335)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631688 #3B8816

analogous

#2A1688 #631688 #881674

triadic

#631688 #886316 #168863

tetradic

#631688 #882A16 #3B8816 #167488

square

#631688 #882A16 #3B8816 #167488

split-complementary

#631688 #748816 #16882A

monochromatic

#16051F #3D0D53 #631688 #891FBD #A939DF

Accessibility & contrast

On white

10.50

#631688 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#631688 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631688

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631688	#FFFFFF	#000000	##FFFFFF
##631688	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8B

Deuteranopia (green-blind)

#004086

Tritanopia (blue-blind)

#5E3450

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #631688;
/* rgb */ color: rgb(99, 22, 136);
/* oklch */ color: oklch(39.2% 0.176 311.2);

Tailwind

colors: {
  custom: {
    50: '#945fab',
    500: '#631688',
    950: '#000000',
  },
}

SCSS

$custom: #631688;
$custom-light: #945fab;
$custom-dark: #000000;

JSON

{
  "hex": "#631688",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 136
  },
  "hsl": {
    "h": 280.526,
    "s": 72.152,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39162,
    "c": 0.17589,
    "h": 311.2
  },
  "luminance": 0.05004
}

Semantic roles & 50–950 ramp

primary

#631688

secondary

#67BC3E

accent

#EF3974

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631688

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

Preview Lab → · Contrast checker → · Palette generator →