#631DA7#631DA7

#631DA7 is a dark, vivid violet. Relative luminance 0.063; OKLCH L 42.4% C 0.199 H 300.6°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#631DA7
RGB	rgb(99, 29, 167)
HSL	hsl(270, 70%, 38%)
HSV	hsv(270, 83%, 65%)
CMYK	cmyk(40.7%, 82.6%, 0%, 34.5%)
CIE-LAB	lab(30.21, 55.49, -60.03)
CIE-LCH	lch(30.21, 81.75, 312.75°)
OKLab	oklab(42.39% 0.1015 -0.1717)
OKLCH	oklch(42.39% 0.199 300.6)
XYZ	xyz(12.5583, 6.3213, 37.1102)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631DA7 #61A71D

analogous

#1E1DA7 #631DA7 #A71DA6

triadic

#631DA7 #A7631D #1DA763

tetradic

#631DA7 #A71E1D #61A71D #1DA6A7

square

#631DA7 #A71E1D #61A71D #1DA6A7

split-complementary

#631DA7 #A6A71D #1DA71E

monochromatic

#250B3F #441473 #631DA7 #8228DA #A05CE3

Accessibility & contrast

On white

9.27

#631DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#631DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631DA7

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631DA7	#FFFFFF	#000000	##FFFFFF
##631DA7	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AB

Deuteranopia (green-blind)

#0046A4

Tritanopia (blue-blind)

#534564

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #631da7;
/* rgb */ color: rgb(99, 29, 167);
/* oklch */ color: oklch(42.4% 0.199 300.6);

Tailwind

colors: {
  custom: {
    50: '#9663c2',
    500: '#631da7',
    950: '#000000',
  },
}

SCSS

$custom: #631da7;
$custom-light: #9663c2;
$custom-dark: #000000;

JSON

{
  "hex": "#631da7",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 167
  },
  "hsl": {
    "h": 270.435,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4239,
    "c": 0.19946,
    "h": 300.6
  },
  "luminance": 0.06321
}

Semantic roles & 50–950 ramp

primary

#631DA7

secondary

#8FC759

accent

#ED3B93

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #631DA7

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

Preview Lab → · Contrast checker → · Palette generator →