#663129#663129

#663129 is a dark, moderate red. Relative luminance 0.052; OKLCH L 38.2% C 0.078 H 30.0°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#663129
RGB	rgb(102, 49, 41)
HSL	hsl(8, 43%, 28%)
HSV	hsv(8, 60%, 40%)
CMYK	cmyk(0%, 52%, 59.8%, 60%)
CIE-LAB	lab(27.25, 22.96, 16.03)
CIE-LCH	lch(27.25, 28.00, 34.92°)
OKLab	oklab(38.15% 0.0676 0.039)
OKLCH	oklch(38.15% 0.078 30)
XYZ	xyz(6.9786, 5.1823, 2.7302)
Luminance	0.0518 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663129 #295E66

analogous

#66293F #663129 #664F29

triadic

#663129 #296631 #312966

tetradic

#663129 #3F6629 #295E66 #4F2966

square

#663129 #3F6629 #295E66 #4F2966

split-complementary

#663129 #29664F #293F66

monochromatic

#160A09 #3A1C17 #663129 #92463B #B95E51

Accessibility & contrast

On white

10.31

#663129 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#663129 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663129

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663129	#FFFFFF	#000000	##FFFFFF
##663129	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3928

Deuteranopia (green-blind)

#4B4528

Tritanopia (blue-blind)

#70282F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #663129;
/* rgb */ color: rgb(102, 49, 41);
/* oklch */ color: oklch(38.2% 0.078 30.0);

Tailwind

colors: {
  custom: {
    50: '#956a62',
    500: '#663129',
    950: '#000000',
  },
}

SCSS

$custom: #663129;
$custom-light: #956a62;
$custom-dark: #000000;

JSON

{
  "hex": "#663129",
  "rgb": {
    "r": 102,
    "g": 49,
    "b": 41
  },
  "hsl": {
    "h": 7.869,
    "s": 42.657,
    "l": 28.039
  },
  "oklch": {
    "l": 0.38154,
    "c": 0.07805,
    "h": 30
  },
  "luminance": 0.05182
}

Semantic roles & 50–950 ramp

primary

#663129

secondary

#528F98

accent

#C2D255

background

#F9F6F5

surface

#F2EBEA

border

#CCC6C6

text

#0E0605

muted

#7E7A79

Preview Lab

Preview with #663129

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

Preview Lab → · Contrast checker → · Palette generator →