#664648#664648

#664648 is a dark, muted red. Relative luminance 0.077; OKLCH L 43.0% C 0.044 H 14.9°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#664648
RGB	rgb(102, 70, 72)
HSL	hsl(356, 19%, 34%)
HSV	hsv(356, 31%, 40%)
CMYK	cmyk(0%, 31.4%, 29.4%, 60%)
CIE-LAB	lab(33.29, 14.06, 4.32)
CIE-LCH	lch(33.29, 14.71, 17.07°)
OKLab	oklab(43.03% 0.0428 0.0114)
OKLCH	oklch(43.03% 0.044 14.9)
XYZ	xyz(8.8395, 7.6735, 7.1452)
Luminance	0.0767 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664648 #466664

analogous

#664658 #664648 #665446

triadic

#664648 #486646 #464866

tetradic

#664648 #586646 #466664 #544666

square

#664648 #586646 #466664 #544666

split-complementary

#664648 #466654 #465866

monochromatic

#1D1415 #422D2E #664648 #8A5F62 #A77F82

Accessibility & contrast

On white

8.29

#664648 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#664648 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664648

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664648	#FFFFFF	#000000	##FFFFFF
##664648	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4B48

Deuteranopia (green-blind)

#535147

Tritanopia (blue-blind)

#6C4347

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #664648;
/* rgb */ color: rgb(102, 70, 72);
/* oklch */ color: oklch(43.0% 0.044 14.9);

Tailwind

colors: {
  custom: {
    50: '#92797a',
    500: '#664648',
    950: '#000000',
  },
}

SCSS

$custom: #664648;
$custom-light: #92797a;
$custom-dark: #000000;

JSON

{
  "hex": "#664648",
  "rgb": {
    "r": 102,
    "g": 70,
    "b": 72
  },
  "hsl": {
    "h": 356.25,
    "s": 18.605,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43031,
    "c": 0.04425,
    "h": 14.9
  },
  "luminance": 0.07673
}

Semantic roles & 50–950 ramp

primary

#664648

secondary

#749492

accent

#BBB66D

background

#F9F7F7

surface

#F1EDED

border

#CBC8C8

text

#0D0909

muted

#7E7B7B

Preview Lab

Preview with #664648

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

Preview Lab → · Contrast checker → · Palette generator →