#631CA0#631CA0

#631CA0 is a dark, vivid violet. Relative luminance 0.060; OKLCH L 41.7% C 0.193 H 302.7°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#631CA0
RGB	rgb(99, 28, 160)
HSL	hsl(272, 70%, 37%)
HSV	hsv(272, 83%, 63%)
CMYK	cmyk(38.1%, 82.5%, 0%, 37.3%)
CIE-LAB	lab(29.47, 54.19, -57.01)
CIE-LCH	lch(29.47, 78.66, 313.55°)
OKLab	oklab(41.68% 0.1045 -0.1628)
OKLCH	oklch(41.68% 0.193 302.7)
XYZ	xyz(11.9045, 6.0212, 33.7859)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631CA0 #59A01C

analogous

#211CA0 #631CA0 #A01C9B

triadic

#631CA0 #A0631C #1CA063

tetradic

#631CA0 #A0211C #59A01C #1C9BA0

square

#631CA0 #A0211C #59A01C #1C9BA0

split-complementary

#631CA0 #9BA01C #1CA021

monochromatic

#230A38 #43136C #631CA0 #8325D4 #A155E1

Accessibility & contrast

On white

9.53

#631CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#631CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631CA0

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631CA0	#FFFFFF	#000000	##FFFFFF
##631CA0	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A4

Deuteranopia (green-blind)

#00459E

Tritanopia (blue-blind)

#56415F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #631ca0;
/* rgb */ color: rgb(99, 28, 160);
/* oklch */ color: oklch(41.7% 0.193 302.7);

Tailwind

colors: {
  custom: {
    50: '#9662bd',
    500: '#631ca0',
    950: '#000000',
  },
}

SCSS

$custom: #631ca0;
$custom-light: #9662bd;
$custom-dark: #000000;

JSON

{
  "hex": "#631ca0",
  "rgb": {
    "r": 99,
    "g": 28,
    "b": 160
  },
  "hsl": {
    "h": 272.273,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.41684,
    "c": 0.19345,
    "h": 302.7
  },
  "luminance": 0.06021
}

Semantic roles & 50–950 ramp

primary

#631CA0

secondary

#88C453

accent

#ED3B8D

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631CA0

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

Preview Lab → · Contrast checker → · Palette generator →