#663F58#663F58

#663F58 is a dark, moderate pink. Relative luminance 0.071; OKLCH L 42.2% C 0.065 H 341.4°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#663F58
RGB	rgb(102, 63, 88)
HSL	hsl(322, 24%, 32%)
HSV	hsv(322, 38%, 40%)
CMYK	cmyk(0%, 38.2%, 13.7%, 60%)
CIE-LAB	lab(32.00, 21.16, -7.85)
CIE-LCH	lch(32.00, 22.57, 339.65°)
OKLab	oklab(42.21% 0.0619 -0.0208)
OKLCH	oklch(42.21% 0.065 341.4)
XYZ	xyz(9.0185, 7.0849, 10.1231)
Luminance	0.0708 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663F58 #3F664D

analogous

#603F66 #663F58 #663F45

triadic

#663F58 #58663F #3F5866

tetradic

#663F58 #66603F #3F664D #3F4566

square

#663F58 #66603F #3F664D #3F4566

split-complementary

#663F58 #45663F #3F6660

monochromatic

#1A1017 #402837 #663F58 #8C5679 #AA7597

Accessibility & contrast

On white

8.69

#663F58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#663F58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663F58

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663F58	#FFFFFF	#000000	##FFFFFF
##663F58	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414859

Deuteranopia (green-blind)

#4A4E57

Tritanopia (blue-blind)

#6A3F48

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #663f58;
/* rgb */ color: rgb(102, 63, 88);
/* oklch */ color: oklch(42.2% 0.065 341.4);

Tailwind

colors: {
  custom: {
    50: '#927587',
    500: '#663f58',
    950: '#000000',
  },
}

SCSS

$custom: #663f58;
$custom-light: #927587;
$custom-dark: #000000;

JSON

{
  "hex": "#663f58",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 88
  },
  "hsl": {
    "h": 321.538,
    "s": 23.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42213,
    "c": 0.0653,
    "h": 341.4
  },
  "luminance": 0.07084
}

Semantic roles & 50–950 ramp

primary

#663F58

secondary

#6B957A

accent

#C08768

background

#F9F7F8

surface

#F1EDEF

border

#CBC8CA

text

#0D080B

muted

#7E7B7C

Preview Lab

Preview with #663F58

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

Preview Lab → · Contrast checker → · Palette generator →