#663B4E#663B4E

#663B4E is a dark, moderate pink. Relative luminance 0.065; OKLCH L 41.1% C 0.066 H 352.4°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#663B4E
RGB	rgb(102, 59, 78)
HSL	hsl(333, 27%, 32%)
HSV	hsv(333, 42%, 40%)
CMYK	cmyk(0%, 42.2%, 23.5%, 60%)
CIE-LAB	lab(30.65, 21.81, -3.40)
CIE-LCH	lch(30.65, 22.07, 351.13°)
OKLab	oklab(41.07% 0.0654 -0.0087)
OKLCH	oklch(41.07% 0.066 352.4)
XYZ	xyz(8.4188, 6.5033, 8.0181)
Luminance	0.0650 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663B4E #3B6653

analogous

#663B64 #663B4E #663E3B

triadic

#663B4E #4E663B #3B4E66

tetradic

#663B4E #64663B #3B6653 #3E3B66

square

#663B4E #64663B #3B6653 #3E3B66

split-complementary

#663B4E #3B663E #3B6466

monochromatic

#180E13 #3F2530 #663B4E #8D516C #AC6F8A

Accessibility & contrast

On white

9.13

#663B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#663B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663B4E

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663B4E	#FFFFFF	#000000	##FFFFFF
##663B4E	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40444F

Deuteranopia (green-blind)

#4A4B4D

Tritanopia (blue-blind)

#6C3942

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #663b4e;
/* rgb */ color: rgb(102, 59, 78);
/* oklch */ color: oklch(41.1% 0.066 352.4);

Tailwind

colors: {
  custom: {
    50: '#93727f',
    500: '#663b4e',
    950: '#000000',
  },
}

SCSS

$custom: #663b4e;
$custom-light: #93727f;
$custom-dark: #000000;

JSON

{
  "hex": "#663b4e",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 333.488,
    "s": 26.708,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41069,
    "c": 0.06594,
    "h": 352.4
  },
  "luminance": 0.06503
}

Semantic roles & 50–950 ramp

primary

#663B4E

secondary

#679681

accent

#C39965

background

#F9F6F7

surface

#F1ECEE

border

#CBC7C9

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #663B4E

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

Preview Lab → · Contrast checker → · Palette generator →