#631990#631990

#631990 is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.1% C 0.181 H 308.1°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#631990
RGB	rgb(99, 25, 144)
HSL	hsl(277, 70%, 33%)
HSV	hsv(277, 83%, 56%)
CMYK	cmyk(31.3%, 82.6%, 0%, 43.5%)
CIE-LAB	lab(27.74, 51.57, -50.02)
CIE-LCH	lch(27.74, 71.84, 315.88°)
OKLab	oklab(40.06% 0.1114 -0.1422)
OKLCH	oklch(40.06% 0.181 308.1)
XYZ	xyz(10.5262, 5.3617, 26.8605)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631990 #469019

analogous

#271990 #631990 #901981

triadic

#631990 #906319 #199063

tetradic

#631990 #902719 #469019 #198190

square

#631990 #902719 #469019 #198190

split-complementary

#631990 #819019 #199027

monochromatic

#1B0728 #3F105C #631990 #8722C4 #A445DF

Accessibility & contrast

On white

10.13

#631990 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#631990 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631990

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631990	#FFFFFF	#000000	##FFFFFF
##631990	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F93

Deuteranopia (green-blind)

#00428E

Tritanopia (blue-blind)

#5C3956

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631990;
/* rgb */ color: rgb(99, 25, 144);
/* oklch */ color: oklch(40.1% 0.181 308.1);

Tailwind

colors: {
  custom: {
    50: '#9460b1',
    500: '#631990',
    950: '#000000',
  },
}

SCSS

$custom: #631990;
$custom-light: #9460b1;
$custom-dark: #000000;

JSON

{
  "hex": "#631990",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 144
  },
  "hsl": {
    "h": 277.311,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40061,
    "c": 0.18069,
    "h": 308.1
  },
  "luminance": 0.05362
}

Semantic roles & 50–950 ramp

primary

#631990

secondary

#73C045

accent

#ED3B7E

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631990

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

Preview Lab → · Contrast checker → · Palette generator →