#631C7D#631C7D

#631C7D is a dark, vivid purple. Relative luminance 0.050; OKLCH L 38.8% C 0.159 H 315.1°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#631C7D
RGB	rgb(99, 28, 125)
HSL	hsl(284, 63%, 30%)
HSV	hsv(284, 78%, 49%)
CMYK	cmyk(20.8%, 77.6%, 0%, 51%)
CIE-LAB	lab(26.63, 46.33, -39.94)
CIE-LCH	lch(26.63, 61.16, 319.24°)
OKLab	oklab(38.82% 0.1129 -0.1126)
OKLCH	oklch(38.82% 0.159 315.1)
XYZ	xyz(9.2619, 4.9642, 19.8684)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631C7D #367D1C

analogous

#331C7D #631C7D #7D1C66

triadic

#631C7D #7D631C #1C7D63

tetradic

#631C7D #7D331C #367D1C #1C667D

square

#631C7D #7D331C #367D1C #1C667D

split-complementary

#631C7D #667D1C #1C7D33

monochromatic

#140619 #3B114B #631C7D #8B27AF #AC3FD4

Accessibility & contrast

On white

10.54

#631C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#631C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631C7D

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631C7D	#FFFFFF	#000000	##FFFFFF
##631C7D	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B80

Deuteranopia (green-blind)

#18417B

Tritanopia (blue-blind)

#61314B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #631c7d;
/* rgb */ color: rgb(99, 28, 125);
/* oklch */ color: oklch(38.8% 0.159 315.1);

Tailwind

colors: {
  custom: {
    50: '#9360a3',
    500: '#631c7d',
    950: '#000000',
  },
}

SCSS

$custom: #631c7d;
$custom-light: #9360a3;
$custom-dark: #000000;

JSON

{
  "hex": "#631c7d",
  "rgb": {
    "r": 99,
    "g": 28,
    "b": 125
  },
  "hsl": {
    "h": 283.918,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.38815,
    "c": 0.15948,
    "h": 315.1
  },
  "luminance": 0.04964
}

Semantic roles & 50–950 ramp

primary

#631C7D

secondary

#61B144

accent

#E6416E

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0D050F

muted

#7E797F

Preview Lab

Preview with #631C7D

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

Preview Lab → · Contrast checker → · Palette generator →