#631C82#631C82

#631C82 is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.2% C 0.164 H 313.0°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#631C82
RGB	rgb(99, 28, 130)
HSL	hsl(282, 65%, 31%)
HSV	hsv(282, 78%, 51%)
CMYK	cmyk(23.8%, 78.5%, 0%, 49%)
CIE-LAB	lab(27.00, 47.40, -42.49)
CIE-LCH	lch(27.00, 63.66, 318.13°)
OKLab	oklab(39.2% 0.1121 -0.1201)
OKLCH	oklch(39.2% 0.164 313)
XYZ	xyz(9.5894, 5.0952, 21.5931)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631C82 #3B821C

analogous

#301C82 #631C82 #821C6E

triadic

#631C82 #82631C #1C8263

tetradic

#631C82 #82301C #3B821C #1C6E82

square

#631C82 #82301C #3B821C #1C6E82

split-complementary

#631C82 #6E821C #1C8230

monochromatic

#16061D #3D1150 #631C82 #8927B4 #A942D6

Accessibility & contrast

On white

10.40

#631C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#631C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631C82

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631C82	#FFFFFF	#000000	##FFFFFF
##631C82	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C85

Deuteranopia (green-blind)

#0F4180

Tritanopia (blue-blind)

#60344E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #631c82;
/* rgb */ color: rgb(99, 28, 130);
/* oklch */ color: oklch(39.2% 0.164 313.0);

Tailwind

colors: {
  custom: {
    50: '#9361a7',
    500: '#631c82',
    950: '#000000',
  },
}

SCSS

$custom: #631c82;
$custom-light: #9361a7;
$custom-dark: #000000;

JSON

{
  "hex": "#631c82",
  "rgb": {
    "r": 99,
    "g": 28,
    "b": 130
  },
  "hsl": {
    "h": 281.765,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39195,
    "c": 0.16429,
    "h": 313
  },
  "luminance": 0.05095
}

Semantic roles & 50–950 ramp

primary

#631C82

secondary

#67B544

accent

#E84073

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E050F

muted

#7E7A7F

Preview Lab

Preview with #631C82

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

Preview Lab → · Contrast checker → · Palette generator →