#631FA9#631FA9

#631FA9 is a dark, vivid violet. Relative luminance 0.065; OKLCH L 42.7% C 0.200 H 299.9°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#631FA9
RGB	rgb(99, 31, 169)
HSL	hsl(270, 69%, 39%)
HSV	hsv(270, 82%, 66%)
CMYK	cmyk(41.4%, 81.7%, 0%, 33.7%)
CIE-LAB	lab(30.63, 55.25, -60.54)
CIE-LCH	lch(30.63, 81.96, 312.38°)
OKLab	oklab(42.74% 0.0995 -0.1732)
OKLCH	oklch(42.74% 0.2 299.9)
XYZ	xyz(12.7952, 6.4970, 38.1084)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631FA9 #65A91F

analogous

#1F20A9 #631FA9 #A81FA9

triadic

#631FA9 #A9631F #1FA963

tetradic

#631FA9 #A91F20 #65A91F #1FA9A8

square

#631FA9 #A91F20 #65A91F #1FA9A8

split-complementary

#631FA9 #A9A81F #20A91F

monochromatic

#260C42 #451675 #631FA9 #812DD8 #A060E2

Accessibility & contrast

On white

9.13

#631FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#631FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631FA9

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631FA9	#FFFFFF	#000000	##FFFFFF
##631FA9	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AD

Deuteranopia (green-blind)

#0047A6

Tritanopia (blue-blind)

#524665

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #631fa9;
/* rgb */ color: rgb(99, 31, 169);
/* oklch */ color: oklch(42.7% 0.200 299.9);

Tailwind

colors: {
  custom: {
    50: '#9764c4',
    500: '#631fa9',
    950: '#000000',
  },
}

SCSS

$custom: #631fa9;
$custom-light: #9764c4;
$custom-dark: #000000;

JSON

{
  "hex": "#631fa9",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 169
  },
  "hsl": {
    "h": 269.565,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.42739,
    "c": 0.19973,
    "h": 299.9
  },
  "luminance": 0.06497
}

Semantic roles & 50–950 ramp

primary

#631FA9

secondary

#93C75D

accent

#EC3C95

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #631FA9

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

Preview Lab → · Contrast checker → · Palette generator →