#663221#663221

#663221 is a dark, moderate red. Relative luminance 0.052; OKLCH L 38.2% C 0.080 H 38.7°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#663221
RGB	rgb(102, 50, 33)
HSL	hsl(15, 51%, 26%)
HSV	hsv(15, 68%, 40%)
CMYK	cmyk(0%, 51%, 67.6%, 60%)
CIE-LAB	lab(27.34, 21.71, 21.25)
CIE-LCH	lch(27.34, 30.37, 44.38°)
OKLab	oklab(38.18% 0.0623 0.0499)
OKLCH	oklch(38.18% 0.08 38.7)
XYZ	xyz(6.8952, 5.2166, 2.0823)
Luminance	0.0522 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663221 #215566

analogous

#662133 #663221 #665521

triadic

#663221 #216632 #322166

tetradic

#663221 #336621 #215566 #552166

square

#663221 #336621 #215566 #552166

split-complementary

#663221 #216655 #213366

monochromatic

#170B07 #381B12 #663221 #944930 #C16040

Accessibility & contrast

On white

10.28

#663221 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#663221 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663221

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663221	#FFFFFF	#000000	##FFFFFF
##663221	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403A1F

Deuteranopia (green-blind)

#4C4520

Tritanopia (blue-blind)

#70282E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #663221;
/* rgb */ color: rgb(102, 50, 33);
/* oklch */ color: oklch(38.2% 0.080 38.7);

Tailwind

colors: {
  custom: {
    50: '#966b5c',
    500: '#663221',
    950: '#000000',
  },
}

SCSS

$custom: #663221;
$custom-light: #966b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#663221",
  "rgb": {
    "r": 102,
    "g": 50,
    "b": 33
  },
  "hsl": {
    "h": 14.783,
    "s": 51.111,
    "l": 26.471
  },
  "oklch": {
    "l": 0.38182,
    "c": 0.07984,
    "h": 38.7
  },
  "luminance": 0.05216
}

Semantic roles & 50–950 ramp

primary

#663221

secondary

#49869A

accent

#B8DB4D

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0604

muted

#7E7A79

Preview Lab

Preview with #663221

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

Preview Lab → · Contrast checker → · Palette generator →