#631C87#631C87

#631C87 is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.6% C 0.169 H 311.1°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#631C87
RGB	rgb(99, 28, 135)
HSL	hsl(280, 66%, 32%)
HSV	hsv(280, 79%, 53%)
CMYK	cmyk(26.7%, 79.3%, 0%, 47.1%)
CIE-LAB	lab(27.39, 48.50, -45.00)
CIE-LCH	lch(27.39, 66.16, 317.15°)
OKLab	oklab(39.59% 0.1111 -0.1275)
OKLCH	oklch(39.59% 0.169 311.1)
XYZ	xyz(9.9332, 5.2327, 23.4037)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631C87 #40871C

analogous

#2E1C87 #631C87 #871C76

triadic

#631C87 #87631C #1C8763

tetradic

#631C87 #872E1C #40871C #1C7687

square

#631C87 #872E1C #40871C #1C7687

split-complementary

#631C87 #76871C #1C872E

monochromatic

#190722 #3E1154 #631C87 #8827BA #A745D8

Accessibility & contrast

On white

10.26

#631C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#631C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631C87

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631C87	#FFFFFF	#000000	##FFFFFF
##631C87	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#024285

Tritanopia (blue-blind)

#5E3651

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631c87;
/* rgb */ color: rgb(99, 28, 135);
/* oklch */ color: oklch(39.6% 0.169 311.1);

Tailwind

colors: {
  custom: {
    50: '#9461ab',
    500: '#631c87',
    950: '#000000',
  },
}

SCSS

$custom: #631c87;
$custom-light: #9461ab;
$custom-dark: #000000;

JSON

{
  "hex": "#631c87",
  "rgb": {
    "r": 99,
    "g": 28,
    "b": 135
  },
  "hsl": {
    "h": 279.813,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39586,
    "c": 0.16911,
    "h": 311.1
  },
  "luminance": 0.05232
}

Semantic roles & 50–950 ramp

primary

#631C87

secondary

#6CBA45

accent

#E93F78

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631C87

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

Preview Lab → · Contrast checker → · Palette generator →