#631666#631666

#631666 is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.6% C 0.145 H 326.4°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#631666
RGB	rgb(99, 22, 102)
HSL	hsl(298, 65%, 24%)
HSV	hsv(298, 78%, 40%)
CMYK	cmyk(2.9%, 78.4%, 0%, 60%)
CIE-LAB	lab(24.28, 43.95, -28.94)
CIE-LCH	lch(24.28, 52.63, 326.63°)
OKLab	oklab(36.64% 0.121 -0.0804)
OKLCH	oklch(36.64% 0.145 326.4)
XYZ	xyz(7.8306, 4.1863, 12.9634)
Luminance	0.0419 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631666 #196616

analogous

#3B1666 #631666 #661641

triadic

#631666 #666316 #166663

tetradic

#631666 #663B16 #196616 #164166

square

#631666 #663B16 #196616 #164166

split-complementary

#631666 #416616 #16663B

monochromatic

#180519 #320B34 #631666 #942198 #C52CCB

Accessibility & contrast

On white

11.43

#631666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#631666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631666

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631666	#FFFFFF	#000000	##FFFFFF
##631666	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#013468

Deuteranopia (green-blind)

#293D64

Tritanopia (blue-blind)

#66243D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #631666;
/* rgb */ color: rgb(99, 22, 102);
/* oklch */ color: oklch(36.6% 0.145 326.4);

Tailwind

colors: {
  custom: {
    50: '#925d92',
    500: '#631666',
    950: '#000000',
  },
}

SCSS

$custom: #631666;
$custom-light: #925d92;
$custom-dark: #000000;

JSON

{
  "hex": "#631666",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 102
  },
  "hsl": {
    "h": 297.75,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.36639,
    "c": 0.14533,
    "h": 326.4
  },
  "luminance": 0.04186
}

Semantic roles & 50–950 ramp

primary

#631666

secondary

#3F9D3B

accent

#E84047

background

#F9F5F9

surface

#F2E9F1

border

#CCC5CB

text

#0D050D

muted

#7E797E

Preview Lab

Preview with #631666

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

Preview Lab → · Contrast checker → · Palette generator →