#631FA7#631FA7

#631FA7 is a dark, vivid violet. Relative luminance 0.064; OKLCH L 42.6% C 0.198 H 300.4°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#631FA7
RGB	rgb(99, 31, 167)
HSL	hsl(270, 69%, 39%)
HSV	hsv(270, 81%, 65%)
CMYK	cmyk(40.7%, 81.4%, 0%, 34.5%)
CIE-LAB	lab(30.45, 54.77, -59.63)
CIE-LCH	lch(30.45, 80.97, 312.57°)
OKLab	oklab(42.56% 0.1001 -0.1705)
OKLCH	oklch(42.56% 0.198 300.4)
XYZ	xyz(12.6089, 6.4225, 37.1271)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631FA7 #63A71F

analogous

#1F1FA7 #631FA7 #A71FA7

triadic

#631FA7 #A7631F #1FA763

tetradic

#631FA7 #A71F1F #63A71F #1FA7A7

square

#631FA7 #A71F1F #63A71F #1FA7A7

split-complementary

#631FA7 #A7A71F #1FA71F

monochromatic

#260C40 #441573 #631FA7 #822BD8 #A05FE1

Accessibility & contrast

On white

9.19

#631FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#631FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631FA7

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631FA7	#FFFFFF	#000000	##FFFFFF
##631FA7	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AB

Deuteranopia (green-blind)

#0047A4

Tritanopia (blue-blind)

#534564

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #631fa7;
/* rgb */ color: rgb(99, 31, 167);
/* oklch */ color: oklch(42.6% 0.198 300.4);

Tailwind

colors: {
  custom: {
    50: '#9664c2',
    500: '#631fa7',
    950: '#000000',
  },
}

SCSS

$custom: #631fa7;
$custom-light: #9664c2;
$custom-dark: #000000;

JSON

{
  "hex": "#631fa7",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 167
  },
  "hsl": {
    "h": 270,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.4256,
    "c": 0.19772,
    "h": 300.4
  },
  "luminance": 0.06423
}

Semantic roles & 50–950 ramp

primary

#631FA7

secondary

#91C65C

accent

#EC3C94

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #631FA7

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

Preview Lab → · Contrast checker → · Palette generator →