#631F9E#631F9E

#631F9E is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.8% C 0.189 H 303.0°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#631F9E
RGB	rgb(99, 31, 158)
HSL	hsl(272, 67%, 37%)
HSV	hsv(272, 80%, 62%)
CMYK	cmyk(37.3%, 80.4%, 0%, 38%)
CIE-LAB	lab(29.67, 52.63, -55.47)
CIE-LCH	lch(29.67, 76.47, 313.50°)
OKLab	oklab(41.77% 0.1028 -0.1583)
OKLCH	oklch(41.77% 0.189 303)
XYZ	xyz(11.8057, 6.1012, 32.8968)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631F9E #5A9E1F

analogous

#231F9E #631F9E #9E1F9A

triadic

#631F9E #9E631F #1F9E63

tetradic

#631F9E #9E231F #5A9E1F #1F9A9E

square

#631F9E #9E231F #5A9E1F #1F9A9E

split-complementary

#631F9E #9A9E1F #1F9E23

monochromatic

#230B38 #43156B #631F9E #8329D1 #A059DE

Accessibility & contrast

On white

9.46

#631F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#631F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631F9E

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631F9E	#FFFFFF	#000000	##FFFFFF
##631F9E	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A1

Deuteranopia (green-blind)

#00459C

Tritanopia (blue-blind)

#57415F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #631f9e;
/* rgb */ color: rgb(99, 31, 158);
/* oklch */ color: oklch(41.8% 0.189 303.0);

Tailwind

colors: {
  custom: {
    50: '#9564bc',
    500: '#631f9e',
    950: '#000000',
  },
}

SCSS

$custom: #631f9e;
$custom-light: #9564bc;
$custom-dark: #000000;

JSON

{
  "hex": "#631f9e",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 272.126,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4177,
    "c": 0.18874,
    "h": 303
  },
  "luminance": 0.06101
}

Semantic roles & 50–950 ramp

primary

#631F9E

secondary

#89C256

accent

#EA3E8E

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631F9E

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

Preview Lab → · Contrast checker → · Palette generator →