#631766#631766

#631766 is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.7% C 0.144 H 326.4°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#631766
RGB	rgb(99, 23, 102)
HSL	hsl(298, 63%, 25%)
HSV	hsv(298, 77%, 40%)
CMYK	cmyk(2.9%, 77.5%, 0%, 60%)
CIE-LAB	lab(24.40, 43.60, -28.75)
CIE-LCH	lch(24.40, 52.22, 326.60°)
OKLab	oklab(36.73% 0.1201 -0.0799)
OKLCH	oklch(36.73% 0.144 326.4)
XYZ	xyz(7.8501, 4.2253, 12.9699)
Luminance	0.0423 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631766 #1A6617

analogous

#3C1766 #631766 #661741

triadic

#631766 #666317 #176663

tetradic

#631766 #663C17 #1A6617 #174166

square

#631766 #663C17 #1A6617 #174166

split-complementary

#631766 #416617 #17663C

monochromatic

#180619 #330C34 #631766 #932298 #C42ECA

Accessibility & contrast

On white

11.38

#631766 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#631766 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631766

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631766	#FFFFFF	#000000	##FFFFFF
##631766	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033468

Deuteranopia (green-blind)

#2A3D64

Tritanopia (blue-blind)

#66243D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #631766;
/* rgb */ color: rgb(99, 23, 102);
/* oklch */ color: oklch(36.7% 0.144 326.4);

Tailwind

colors: {
  custom: {
    50: '#925d92',
    500: '#631766',
    950: '#000000',
  },
}

SCSS

$custom: #631766;
$custom-light: #925d92;
$custom-dark: #000000;

JSON

{
  "hex": "#631766",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 102
  },
  "hsl": {
    "h": 297.722,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.36728,
    "c": 0.14419,
    "h": 326.4
  },
  "luminance": 0.04225
}

Semantic roles & 50–950 ramp

primary

#631766

secondary

#409C3C

accent

#E64248

background

#F9F5F9

surface

#F2E9F1

border

#CCC5CB

text

#0D050D

muted

#7E797E

Preview Lab

Preview with #631766

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

Preview Lab → · Contrast checker → · Palette generator →