#631E8A#631E8A

#631E8A is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.0% C 0.170 H 309.7°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#631E8A
RGB	rgb(99, 30, 138)
HSL	hsl(278, 64%, 33%)
HSV	hsv(278, 78%, 54%)
CMYK	cmyk(28.3%, 78.3%, 0%, 45.9%)
CIE-LAB	lab(27.89, 48.40, -46.05)
CIE-LCH	lch(27.89, 66.81, 316.42°)
OKLab	oklab(40.01% 0.1086 -0.1306)
OKLCH	oklch(40.01% 0.17 309.7)
XYZ	xyz(10.1964, 5.4164, 24.5482)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E8A #458A1E

analogous

#2D1E8A #631E8A #8A1E7B

triadic

#631E8A #8A631E #1E8A63

tetradic

#631E8A #8A2D1E #458A1E #1E7B8A

square

#631E8A #8A2D1E #458A1E #1E7B8A

split-complementary

#631E8A #7B8A1E #1E8A2D

monochromatic

#1B0825 #3F1358 #631E8A #8729BC #A54BD8

Accessibility & contrast

On white

10.08

#631E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#631E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E8A

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E8A	#FFFFFF	#000000	##FFFFFF
##631E8A	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8D

Deuteranopia (green-blind)

#004388

Tritanopia (blue-blind)

#5D3853

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #631e8a;
/* rgb */ color: rgb(99, 30, 138);
/* oklch */ color: oklch(40.0% 0.170 309.7);

Tailwind

colors: {
  custom: {
    50: '#9462ad',
    500: '#631e8a',
    950: '#000000',
  },
}

SCSS

$custom: #631e8a;
$custom-light: #9462ad;
$custom-dark: #000000;

JSON

{
  "hex": "#631e8a",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 138
  },
  "hsl": {
    "h": 278.333,
    "s": 64.286,
    "l": 32.941
  },
  "oklch": {
    "l": 0.40013,
    "c": 0.1699,
    "h": 309.7
  },
  "luminance": 0.05416
}

Semantic roles & 50–950 ramp

primary

#631E8A

secondary

#72BA4A

accent

#E7417D

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631E8A

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

Preview Lab → · Contrast checker → · Palette generator →