#663C5E#663C5E

#663C5E is a dark, moderate pink. Relative luminance 0.069; OKLCH L 41.9% C 0.077 H 334.1°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#663C5E
RGB	rgb(102, 60, 94)
HSL	hsl(311, 26%, 32%)
HSV	hsv(311, 41%, 40%)
CMYK	cmyk(0%, 41.2%, 7.8%, 60%)
CIE-LAB	lab(31.50, 24.14, -12.46)
CIE-LCH	lch(31.50, 27.16, 332.70°)
OKLab	oklab(41.91% 0.0692 -0.0336)
OKLCH	oklch(41.91% 0.077 334.1)
XYZ	xyz(9.1157, 6.8651, 11.4325)
Luminance	0.0687 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663C5E #3C6644

analogous

#593C66 #663C5E #663C49

triadic

#663C5E #5E663C #3C5E66

tetradic

#663C5E #66593C #3C6644 #3C4966

square

#663C5E #66593C #3C6644 #3C4966

split-complementary

#663C5E #49663C #3C6659

monochromatic

#190F17 #3F253A #663C5E #8D5382 #AB71A0

Accessibility & contrast

On white

8.85

#663C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#663C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663C5E

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663C5E	#FFFFFF	#000000	##FFFFFF
##663C5E	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C465F

Deuteranopia (green-blind)

#474C5D

Tritanopia (blue-blind)

#6A3E49

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #663c5e;
/* rgb */ color: rgb(102, 60, 94);
/* oklch */ color: oklch(41.9% 0.077 334.1);

Tailwind

colors: {
  custom: {
    50: '#92738b',
    500: '#663c5e',
    950: '#000000',
  },
}

SCSS

$custom: #663c5e;
$custom-light: #92738b;
$custom-dark: #000000;

JSON

{
  "hex": "#663c5e",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 94
  },
  "hsl": {
    "h": 311.429,
    "s": 25.926,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41911,
    "c": 0.07686,
    "h": 334.1
  },
  "luminance": 0.06865
}

Semantic roles & 50–950 ramp

primary

#663C5E

secondary

#689671

accent

#C27765

background

#F9F7F8

surface

#F1EDF0

border

#CBC8CB

text

#0D080C

muted

#7E7B7D

Preview Lab

Preview with #663C5E

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

Preview Lab → · Contrast checker → · Palette generator →