#663A47#663A47

#663A47 is a dark, moderate pink. Relative luminance 0.063; OKLCH L 40.6% C 0.064 H 1.3°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#663A47
RGB	rgb(102, 58, 71)
HSL	hsl(342, 28%, 31%)
HSV	hsv(342, 43%, 40%)
CMYK	cmyk(0%, 43.1%, 30.4%, 60%)
CIE-LAB	lab(30.17, 21.28, 0.46)
CIE-LCH	lch(30.17, 21.29, 1.23°)
OKLab	oklab(40.63% 0.0644 0.0015)
OKLCH	oklch(40.63% 0.064 1.3)
XYZ	xyz(8.1301, 6.3064, 6.7491)
Luminance	0.0631 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663A47 #3A6659

analogous

#663A5D #663A47 #66433A

triadic

#663A47 #47663A #3A4766

tetradic

#663A47 #5D663A #3A6659 #433A66

square

#663A47 #5D663A #3A6659 #433A66

split-complementary

#663A47 #3A6643 #3A5D66

monochromatic

#180E11 #3F242C #663A47 #8D5062 #AC6E80

Accessibility & contrast

On white

9.29

#663A47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#663A47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663A47

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663A47	#FFFFFF	#000000	##FFFFFF
##663A47	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404247

Deuteranopia (green-blind)

#4B4A46

Tritanopia (blue-blind)

#6D373F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663a47;
/* rgb */ color: rgb(102, 58, 71);
/* oklch */ color: oklch(40.6% 0.064 1.3);

Tailwind

colors: {
  custom: {
    50: '#93717a',
    500: '#663a47',
    950: '#000000',
  },
}

SCSS

$custom: #663a47;
$custom-light: #93717a;
$custom-dark: #000000;

JSON

{
  "hex": "#663a47",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 71
  },
  "hsl": {
    "h": 342.273,
    "s": 27.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40631,
    "c": 0.0644,
    "h": 1.3
  },
  "luminance": 0.06306
}

Semantic roles & 50–950 ramp

primary

#663A47

secondary

#669688

accent

#C4A864

background

#F9F6F7

surface

#F1ECED

border

#CBC7C8

text

#0D0709

muted

#7E7A7B

Preview Lab

Preview with #663A47

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

Preview Lab → · Contrast checker → · Palette generator →