#631A8A#631A8A

#631A8A is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.6% C 0.174 H 310.1°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#631A8A
RGB	rgb(99, 26, 138)
HSL	hsl(279, 68%, 32%)
HSV	hsv(279, 81%, 54%)
CMYK	cmyk(28.3%, 81.2%, 0%, 45.9%)
CIE-LAB	lab(27.37, 49.90, -46.90)
CIE-LCH	lch(27.37, 68.47, 316.77°)
OKLab	oklab(39.65% 0.1122 -0.1331)
OKLCH	oklch(39.65% 0.174 310.1)
XYZ	xyz(10.1015, 5.2266, 24.5165)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A8A #418A1A

analogous

#2B1A8A #631A8A #8A1A79

triadic

#631A8A #8A631A #1A8A63

tetradic

#631A8A #8A2B1A #418A1A #1A798A

square

#631A8A #8A2B1A #418A1A #1A798A

split-complementary

#631A8A #798A1A #1A8A2B

monochromatic

#190723 #3E1057 #631A8A #8824BD #A643DC

Accessibility & contrast

On white

10.27

#631A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#631A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A8A

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A8A	#FFFFFF	#000000	##FFFFFF
##631A8A	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#004288

Tritanopia (blue-blind)

#5D3652

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631a8a;
/* rgb */ color: rgb(99, 26, 138);
/* oklch */ color: oklch(39.6% 0.174 310.1);

Tailwind

colors: {
  custom: {
    50: '#9460ad',
    500: '#631a8a',
    950: '#000000',
  },
}

SCSS

$custom: #631a8a;
$custom-light: #9460ad;
$custom-dark: #000000;

JSON

{
  "hex": "#631a8a",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 138
  },
  "hsl": {
    "h": 279.107,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39649,
    "c": 0.17404,
    "h": 310.1
  },
  "luminance": 0.05226
}

Semantic roles & 50–950 ramp

primary

#631A8A

secondary

#6DBD43

accent

#EB3D79

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631A8A

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

Preview Lab → · Contrast checker → · Palette generator →