#631D9E#631D9E

#631D9E is a dark, vivid violet. Relative luminance 0.060; OKLCH L 41.6% C 0.191 H 303.2°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#631D9E
RGB	rgb(99, 29, 158)
HSL	hsl(273, 69%, 37%)
HSV	hsv(273, 82%, 62%)
CMYK	cmyk(37.3%, 81.6%, 0%, 38%)
CIE-LAB	lab(29.41, 53.37, -55.88)
CIE-LCH	lch(29.41, 77.27, 313.68°)
OKLab	oklab(41.59% 0.1044 -0.1595)
OKLCH	oklch(41.59% 0.191 303.2)
XYZ	xyz(11.7550, 6.0000, 32.8799)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D9E #589E1D

analogous

#221D9E #631D9E #9E1D99

triadic

#631D9E #9E631D #1D9E63

tetradic

#631D9E #9E221D #589E1D #1D999E

square

#631D9E #9E221D #589E1D #1D999E

split-complementary

#631D9E #999E1D #1D9E22

monochromatic

#220A37 #43146A #631D9E #8326D2 #A156E0

Accessibility & contrast

On white

9.55

#631D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#631D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D9E

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D9E	#FFFFFF	#000000	##FFFFFF
##631D9E	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A1

Deuteranopia (green-blind)

#00459C

Tritanopia (blue-blind)

#57415E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #631d9e;
/* rgb */ color: rgb(99, 29, 158);
/* oklch */ color: oklch(41.6% 0.191 303.2);

Tailwind

colors: {
  custom: {
    50: '#9663bc',
    500: '#631d9e',
    950: '#000000',
  },
}

SCSS

$custom: #631d9e;
$custom-light: #9663bc;
$custom-dark: #000000;

JSON

{
  "hex": "#631d9e",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 158
  },
  "hsl": {
    "h": 272.558,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41593,
    "c": 0.1906,
    "h": 303.2
  },
  "luminance": 0.06
}

Semantic roles & 50–950 ramp

primary

#631D9E

secondary

#87C354

accent

#EC3C8C

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631D9E

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

Preview Lab → · Contrast checker → · Palette generator →