#631D7D#631D7D

#631D7D is a dark, vivid purple. Relative luminance 0.050; OKLCH L 38.9% C 0.158 H 315.0°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#631D7D
RGB	rgb(99, 29, 125)
HSL	hsl(284, 62%, 30%)
HSV	hsv(284, 77%, 49%)
CMYK	cmyk(20.8%, 76.8%, 0%, 51%)
CIE-LAB	lab(26.77, 45.93, -39.71)
CIE-LCH	lch(26.77, 60.72, 319.15°)
OKLab	oklab(38.91% 0.1119 -0.112)
OKLCH	oklch(38.91% 0.158 315)
XYZ	xyz(9.2860, 5.0124, 19.8764)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D7D #377D1D

analogous

#331D7D #631D7D #7D1D67

triadic

#631D7D #7D631D #1D7D63

tetradic

#631D7D #7D331D #377D1D #1D677D

square

#631D7D #7D331D #377D1D #1D677D

split-complementary

#631D7D #677D1D #1D7D33

monochromatic

#14061A #3C114B #631D7D #8A29AF #AC41D3

Accessibility & contrast

On white

10.49

#631D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#631D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D7D

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D7D	#FFFFFF	#000000	##FFFFFF
##631D7D	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B80

Deuteranopia (green-blind)

#19417B

Tritanopia (blue-blind)

#61324C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #631d7d;
/* rgb */ color: rgb(99, 29, 125);
/* oklch */ color: oklch(38.9% 0.158 315.0);

Tailwind

colors: {
  custom: {
    50: '#9361a3',
    500: '#631d7d',
    950: '#000000',
  },
}

SCSS

$custom: #631d7d;
$custom-light: #9361a3;
$custom-dark: #000000;

JSON

{
  "hex": "#631d7d",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 125
  },
  "hsl": {
    "h": 283.75,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.38912,
    "c": 0.15833,
    "h": 315
  },
  "luminance": 0.05012
}

Semantic roles & 50–950 ramp

primary

#631D7D

secondary

#62B145

accent

#E5426F

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D050F

muted

#7E7A7F

Preview Lab

Preview with #631D7D

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

Preview Lab → · Contrast checker → · Palette generator →