#631D88#631D88

#631D88 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.8% C 0.169 H 310.6°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#631D88
RGB	rgb(99, 29, 136)
HSL	hsl(279, 65%, 32%)
HSV	hsv(279, 79%, 53%)
CMYK	cmyk(27.2%, 78.7%, 0%, 46.7%)
CIE-LAB	lab(27.60, 48.34, -45.28)
CIE-LCH	lch(27.60, 66.24, 316.87°)
OKLab	oklab(39.76% 0.11 -0.1283)
OKLCH	oklch(39.76% 0.169 310.6)
XYZ	xyz(10.0280, 5.3092, 23.7843)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D88 #42881D

analogous

#2D1D88 #631D88 #881D78

triadic

#631D88 #88631D #1D8863

tetradic

#631D88 #882D1D #42881D #1D7888

square

#631D88 #882D1D #42881D #1D7888

split-complementary

#631D88 #78881D #1D882D

monochromatic

#1A0723 #3E1256 #631D88 #8828BA #A648D8

Accessibility & contrast

On white

10.19

#631D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#631D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D88

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D88	#FFFFFF	#000000	##FFFFFF
##631D88	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8B

Deuteranopia (green-blind)

#014286

Tritanopia (blue-blind)

#5E3752

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631d88;
/* rgb */ color: rgb(99, 29, 136);
/* oklch */ color: oklch(39.8% 0.169 310.6);

Tailwind

colors: {
  custom: {
    50: '#9461ab',
    500: '#631d88',
    950: '#000000',
  },
}

SCSS

$custom: #631d88;
$custom-light: #9461ab;
$custom-dark: #000000;

JSON

{
  "hex": "#631d88",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 136
  },
  "hsl": {
    "h": 279.252,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39759,
    "c": 0.16902,
    "h": 310.6
  },
  "luminance": 0.05309
}

Semantic roles & 50–950 ramp

primary

#631D88

secondary

#6FBA47

accent

#E8407A

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631D88

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

Preview Lab → · Contrast checker → · Palette generator →