#663A67#663A67

#663A67 is a dark, moderate purple. Relative luminance 0.068; OKLCH L 42.0% C 0.090 H 326.2°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#663A67
RGB	rgb(102, 58, 103)
HSL	hsl(299, 28%, 32%)
HSV	hsv(299, 44%, 40%)
CMYK	cmyk(1%, 43.7%, 0%, 59.6%)
CIE-LAB	lab(31.42, 27.17, -18.34)
CIE-LCH	lch(31.42, 32.78, 325.97°)
OKLab	oklab(41.98% 0.075 -0.0501)
OKLCH	oklch(41.98% 0.09 326.2)
XYZ	xyz(9.4405, 6.8306, 13.6505)
Luminance	0.0683 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663A67 #3B673A

analogous

#503A67 #663A67 #673A52

triadic

#663A67 #67663A #3A6766

tetradic

#663A67 #67503A #3B673A #3A5267

square

#663A67 #67503A #3B673A #3A5267

split-complementary

#663A67 #52673A #3A6750

monochromatic

#180E19 #3F2440 #663A67 #8D508E #AC6EAD

Accessibility & contrast

On white

8.88

#663A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#663A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663A67

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663A67	#FFFFFF	#000000	##FFFFFF
##663A67	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364669

Deuteranopia (green-blind)

#424C66

Tritanopia (blue-blind)

#683F4B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #663a67;
/* rgb */ color: rgb(102, 58, 103);
/* oklch */ color: oklch(42.0% 0.090 326.2);

Tailwind

colors: {
  custom: {
    50: '#937192',
    500: '#663a67',
    950: '#000000',
  },
}

SCSS

$custom: #663a67;
$custom-light: #937192;
$custom-dark: #000000;

JSON

{
  "hex": "#663a67",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 103
  },
  "hsl": {
    "h": 298.667,
    "s": 27.95,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41981,
    "c": 0.0902,
    "h": 326.2
  },
  "luminance": 0.0683
}

Semantic roles & 50–950 ramp

primary

#663A67

secondary

#679766

accent

#C46466

background

#F9F6F9

surface

#F1ECF1

border

#CBC7CB

text

#0D080D

muted

#7E7B7E

Preview Lab

Preview with #663A67

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

Preview Lab → · Contrast checker → · Palette generator →