#631CA7#631CA7

#631CA7 is a dark, highly saturated violet. Relative luminance 0.063; OKLCH L 42.3% C 0.200 H 300.7°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#631CA7
RGB	rgb(99, 28, 167)
HSL	hsl(271, 71%, 38%)
HSV	hsv(271, 83%, 65%)
CMYK	cmyk(40.7%, 83.2%, 0%, 34.5%)
CIE-LAB	lab(30.09, 55.83, -60.23)
CIE-LCH	lch(30.09, 82.12, 312.83°)
OKLab	oklab(42.31% 0.1022 -0.1722)
OKLCH	oklch(42.31% 0.2 300.7)
XYZ	xyz(12.5342, 6.2731, 37.1022)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631CA7 #60A71C

analogous

#1D1CA7 #631CA7 #A71CA5

triadic

#631CA7 #A7631C #1CA763

tetradic

#631CA7 #A71D1C #60A71C #1CA5A7

square

#631CA7 #A71D1C #60A71C #1CA5A7

split-complementary

#631CA7 #A5A71C #1CA71D

monochromatic

#250A3E #441373 #631CA7 #8226DB #A05AE3

Accessibility & contrast

On white

9.31

#631CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#631CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631CA7

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631CA7	#FFFFFF	#000000	##FFFFFF
##631CA7	1.00	9.31	2.25	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AB

Deuteranopia (green-blind)

#0046A4

Tritanopia (blue-blind)

#534463

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #631ca7;
/* rgb */ color: rgb(99, 28, 167);
/* oklch */ color: oklch(42.3% 0.200 300.7);

Tailwind

colors: {
  custom: {
    50: '#9663c2',
    500: '#631ca7',
    950: '#000000',
  },
}

SCSS

$custom: #631ca7;
$custom-light: #9663c2;
$custom-dark: #000000;

JSON

{
  "hex": "#631ca7",
  "rgb": {
    "r": 99,
    "g": 28,
    "b": 167
  },
  "hsl": {
    "h": 270.647,
    "s": 71.282,
    "l": 38.235
  },
  "oklch": {
    "l": 0.42309,
    "c": 0.20029,
    "h": 300.7
  },
  "luminance": 0.06273
}

Semantic roles & 50–950 ramp

primary

#631CA7

secondary

#8EC758

accent

#EE3A92

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #631CA7

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

Preview Lab → · Contrast checker → · Palette generator →