#664657#664657

#664657 is a dark, muted pink. Relative luminance 0.079; OKLCH L 43.5% C 0.050 H 346.3°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#664657
RGB	rgb(102, 70, 87)
HSL	hsl(328, 19%, 34%)
HSV	hsv(328, 31%, 40%)
CMYK	cmyk(0%, 31.4%, 14.7%, 60%)
CIE-LAB	lab(33.76, 16.66, -4.57)
CIE-LCH	lch(33.76, 17.27, 344.65°)
OKLab	oklab(43.54% 0.049 -0.012)
OKLCH	oklch(43.54% 0.05 346.3)
XYZ	xyz(9.3900, 7.8937, 10.0440)
Luminance	0.0789 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664657 #466655

analogous

#654666 #664657 #664647

triadic

#664657 #576646 #465766

tetradic

#664657 #666546 #466655 #464766

square

#664657 #666546 #466655 #464766

split-complementary

#664657 #476646 #466665

monochromatic

#1D1419 #422D38 #664657 #8A5F76 #A77F94

Accessibility & contrast

On white

8.14

#664657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#664657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664657

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664657	#FFFFFF	#000000	##FFFFFF
##664657	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484C58

Deuteranopia (green-blind)

#505156

Tritanopia (blue-blind)

#6A464C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #664657;
/* rgb */ color: rgb(102, 70, 87);
/* oklch */ color: oklch(43.5% 0.050 346.3);

Tailwind

colors: {
  custom: {
    50: '#927a86',
    500: '#664657',
    950: '#000000',
  },
}

SCSS

$custom: #664657;
$custom-light: #927a86;
$custom-dark: #000000;

JSON

{
  "hex": "#664657",
  "rgb": {
    "r": 102,
    "g": 70,
    "b": 87
  },
  "hsl": {
    "h": 328.125,
    "s": 18.605,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43544,
    "c": 0.05046,
    "h": 346.3
  },
  "luminance": 0.07893
}

Semantic roles & 50–950 ramp

primary

#664657

secondary

#749483

accent

#BB916D

background

#F9F7F8

surface

#F1EDEF

border

#CBC8CA

text

#0D090B

muted

#7E7B7C

Preview Lab

Preview with #664657

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

Preview Lab → · Contrast checker → · Palette generator →