#631A9D#631A9D

#631A9D is a dark, vivid violet. Relative luminance 0.058; OKLCH L 41.3% C 0.192 H 303.8°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#631A9D
RGB	rgb(99, 26, 157)
HSL	hsl(273, 72%, 36%)
HSV	hsv(273, 83%, 62%)
CMYK	cmyk(36.9%, 83.4%, 0%, 38.4%)
CIE-LAB	lab(28.97, 54.18, -56.00)
CIE-LCH	lch(28.97, 77.92, 314.05°)
OKLab	oklab(41.26% 0.1069 -0.1598)
OKLCH	oklch(41.26% 0.192 303.8)
XYZ	xyz(11.5994, 5.8258, 32.4052)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A9D #549D1A

analogous

#211A9D #631A9D #9D1A95

triadic

#631A9D #9D631A #1A9D63

tetradic

#631A9D #9D211A #549D1A #1A959D

square

#631A9D #9D211A #549D1A #1A959D

split-complementary

#631A9D #959D1A #1A9D21

monochromatic

#210934 #421168 #631A9D #8423D2 #A14FE2

Accessibility & contrast

On white

9.70

#631A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#631A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A9D

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A9D	#FFFFFF	#000000	##FFFFFF
##631A9D	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A0

Deuteranopia (green-blind)

#00449B

Tritanopia (blue-blind)

#573F5D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #631a9d;
/* rgb */ color: rgb(99, 26, 157);
/* oklch */ color: oklch(41.3% 0.192 303.8);

Tailwind

colors: {
  custom: {
    50: '#9661bb',
    500: '#631a9d',
    950: '#000000',
  },
}

SCSS

$custom: #631a9d;
$custom-light: #9661bb;
$custom-dark: #000000;

JSON

{
  "hex": "#631a9d",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 157
  },
  "hsl": {
    "h": 273.435,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41258,
    "c": 0.19225,
    "h": 303.8
  },
  "luminance": 0.05826
}

Semantic roles & 50–950 ramp

primary

#631A9D

secondary

#83C44E

accent

#EE398A

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631A9D

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

Preview Lab → · Contrast checker → · Palette generator →