#663B5E#663B5E

#663B5E is a dark, moderate pink. Relative luminance 0.068; OKLCH L 41.7% C 0.079 H 334.0°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#663B5E
RGB	rgb(102, 59, 94)
HSL	hsl(311, 27%, 32%)
HSV	hsv(311, 42%, 40%)
CMYK	cmyk(0%, 42.2%, 7.8%, 60%)
CIE-LAB	lab(31.26, 24.74, -12.83)
CIE-LCH	lch(31.26, 27.87, 332.59°)
OKLab	oklab(41.73% 0.0709 -0.0346)
OKLCH	oklch(41.73% 0.079 334)
XYZ	xyz(9.0638, 6.7613, 11.4152)
Luminance	0.0676 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663B5E #3B6643

analogous

#593B66 #663B5E #663B49

triadic

#663B5E #5E663B #3B5E66

tetradic

#663B5E #66593B #3B6643 #3B4966

square

#663B5E #66593B #3B6643 #3B4966

split-complementary

#663B5E #49663B #3B6659

monochromatic

#180E17 #3F253A #663B5E #8D5182 #AC6FA1

Accessibility & contrast

On white

8.93

#663B5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#663B5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663B5E

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663B5E	#FFFFFF	#000000	##FFFFFF
##663B5E	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B465F

Deuteranopia (green-blind)

#464C5D

Tritanopia (blue-blind)

#6A3D48

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #663b5e;
/* rgb */ color: rgb(102, 59, 94);
/* oklch */ color: oklch(41.7% 0.079 334.0);

Tailwind

colors: {
  custom: {
    50: '#92728b',
    500: '#663b5e',
    950: '#000000',
  },
}

SCSS

$custom: #663b5e;
$custom-light: #92728b;
$custom-dark: #000000;

JSON

{
  "hex": "#663b5e",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 94
  },
  "hsl": {
    "h": 311.163,
    "s": 26.708,
    "l": 31.569
  },
  "oklch": {
    "l": 0.4173,
    "c": 0.07885,
    "h": 334
  },
  "luminance": 0.06761
}

Semantic roles & 50–950 ramp

primary

#663B5E

secondary

#679670

accent

#C37665

background

#F9F6F8

surface

#F1ECF0

border

#CBC7CB

text

#0D080C

muted

#7E7B7D

Preview Lab

Preview with #663B5E

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

Preview Lab → · Contrast checker → · Palette generator →