#664D64#664D64

#664D64 is a mid, muted purple. Relative luminance 0.091; OKLCH L 45.5% C 0.048 H 329.0°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#664D64
RGB	rgb(102, 77, 100)
HSL	hsl(305, 14%, 35%)
HSV	hsv(305, 25%, 40%)
CMYK	cmyk(0%, 24.5%, 2%, 60%)
CIE-LAB	lab(36.09, 14.90, -9.31)
CIE-LCH	lch(36.09, 17.57, 327.99°)
OKLab	oklab(45.48% 0.0416 -0.025)
OKLCH	oklch(45.48% 0.048 329)
XYZ	xyz(10.4334, 9.0529, 13.2519)
Luminance	0.0905 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664D64 #4D664F

analogous

#5B4D66 #664D64 #664D57

triadic

#664D64 #64664D #4D6466

tetradic

#664D64 #665B4D #4D664F #4D5766

square

#664D64 #665B4D #4D664F #4D5766

split-complementary

#664D64 #57664D #4D665B

monochromatic

#201820 #433342 #664D64 #896786 #A588A3

Accessibility & contrast

On white

7.47

#664D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#664D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664D64

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664D64	#FFFFFF	#000000	##FFFFFF
##664D64	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5365

Deuteranopia (green-blind)

#525663

Tritanopia (blue-blind)

#684F55

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #664d64;
/* rgb */ color: rgb(102, 77, 100);
/* oklch */ color: oklch(45.5% 0.048 329.0);

Tailwind

colors: {
  custom: {
    50: '#927f90',
    500: '#664d64',
    950: '#000000',
  },
}

SCSS

$custom: #664d64;
$custom-light: #927f90;
$custom-dark: #000000;

JSON

{
  "hex": "#664d64",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 100
  },
  "hsl": {
    "h": 304.8,
    "s": 13.966,
    "l": 35.098
  },
  "oklch": {
    "l": 0.45482,
    "c": 0.04849,
    "h": 329
  },
  "luminance": 0.09053
}

Semantic roles & 50–950 ramp

primary

#664D64

secondary

#7C937E

accent

#B77771

background

#F8F7F8

surface

#F0EEF0

border

#CBC9CB

text

#0D0A0C

muted

#7D7C7D

Preview Lab

Preview with #664D64

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

Preview Lab → · Contrast checker → · Palette generator →