#631790#631790

#631790 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.182 H 308.2°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#631790
RGB	rgb(99, 23, 144)
HSL	hsl(278, 72%, 33%)
HSV	hsv(278, 84%, 56%)
CMYK	cmyk(31.3%, 84%, 0%, 43.5%)
CIE-LAB	lab(27.52, 52.23, -50.39)
CIE-LCH	lch(27.52, 72.57, 316.03°)
OKLab	oklab(39.9% 0.1129 -0.1433)
OKLCH	oklch(39.9% 0.182 308.2)
XYZ	xyz(10.4850, 5.2792, 26.8468)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631790 #449017

analogous

#271790 #631790 #901780

triadic

#631790 #906317 #179063

tetradic

#631790 #902717 #449017 #178090

square

#631790 #902717 #449017 #178090

split-complementary

#631790 #809017 #179027

monochromatic

#1A0626 #3F0F5B #631790 #871FC5 #A541E1

Accessibility & contrast

On white

10.22

#631790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#631790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631790

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631790	#FFFFFF	#000000	##FFFFFF
##631790	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E93

Deuteranopia (green-blind)

#00428E

Tritanopia (blue-blind)

#5C3855

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631790;
/* rgb */ color: rgb(99, 23, 144);
/* oklch */ color: oklch(39.9% 0.182 308.2);

Tailwind

colors: {
  custom: {
    50: '#955fb1',
    500: '#631790',
    950: '#000000',
  },
}

SCSS

$custom: #631790;
$custom-light: #955fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#631790",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 144
  },
  "hsl": {
    "h": 277.686,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39904,
    "c": 0.18246,
    "h": 308.2
  },
  "luminance": 0.05279
}

Semantic roles & 50–950 ramp

primary

#631790

secondary

#71C142

accent

#EF397D

background

#F9F5FB

surface

#F2EAF6

border

#CCC6D0

text

#0E0511

muted

#7E7980

Preview Lab

Preview with #631790

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

Preview Lab → · Contrast checker → · Palette generator →