#631788#631788

#631788 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.2% C 0.175 H 311.1°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#631788
RGB	rgb(99, 23, 136)
HSL	hsl(280, 71%, 31%)
HSV	hsv(280, 83%, 53%)
CMYK	cmyk(27.2%, 83.1%, 0%, 46.7%)
CIE-LAB	lab(26.86, 50.48, -46.48)
CIE-LCH	lch(26.86, 68.62, 317.36°)
OKLab	oklab(39.24% 0.1151 -0.1318)
OKLCH	oklch(39.24% 0.175 311.1)
XYZ	xyz(9.8951, 5.0433, 23.7400)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631788 #3C8817

analogous

#2A1788 #631788 #881774

triadic

#631788 #886317 #178863

tetradic

#631788 #882A17 #3C8817 #177488

square

#631788 #882A17 #3C8817 #177488

split-complementary

#631788 #748817 #17882A

monochromatic

#17051F #3D0E54 #631788 #8920BC #A93BDE

Accessibility & contrast

On white

10.46

#631788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#631788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631788

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631788	#FFFFFF	#000000	##FFFFFF
##631788	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8B

Deuteranopia (green-blind)

#004186

Tritanopia (blue-blind)

#5E3451

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #631788;
/* rgb */ color: rgb(99, 23, 136);
/* oklch */ color: oklch(39.2% 0.175 311.1);

Tailwind

colors: {
  custom: {
    50: '#945fab',
    500: '#631788',
    950: '#000000',
  },
}

SCSS

$custom: #631788;
$custom-light: #945fab;
$custom-dark: #000000;

JSON

{
  "hex": "#631788",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 136
  },
  "hsl": {
    "h": 280.354,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3924,
    "c": 0.17499,
    "h": 311.1
  },
  "luminance": 0.05043
}

Semantic roles & 50–950 ramp

primary

#631788

secondary

#68BC3F

accent

#EE3A75

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631788

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

Preview Lab → · Contrast checker → · Palette generator →