#663136#663136

#663136 is a dark, moderate red. Relative luminance 0.053; OKLCH L 38.5% C 0.076 H 15.4°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#663136
RGB	rgb(102, 49, 54)
HSL	hsl(354, 35%, 30%)
HSV	hsv(354, 52%, 40%)
CMYK	cmyk(0%, 52%, 47.1%, 60%)
CIE-LAB	lab(27.54, 24.31, 7.88)
CIE-LCH	lch(27.54, 25.56, 17.96°)
OKLab	oklab(38.47% 0.0734 0.0202)
OKLCH	oklch(38.47% 0.076 15.4)
XYZ	xyz(7.2441, 5.2885, 4.1286)
Luminance	0.0529 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663136 #316661

analogous

#663151 #663136 #664731

triadic

#663136 #366631 #313666

tetradic

#663136 #516631 #316661 #473166

square

#663136 #516631 #316661 #473166

split-complementary

#663136 #316647 #315166

monochromatic

#150A0B #3D1D20 #663136 #8F454C #B25F67

Accessibility & contrast

On white

10.21

#663136 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#663136 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663136

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663136	#FFFFFF	#000000	##FFFFFF
##663136	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B36

Deuteranopia (green-blind)

#494535

Tritanopia (blue-blind)

#6F2A33

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #663136;
/* rgb */ color: rgb(102, 49, 54);
/* oklch */ color: oklch(38.5% 0.076 15.4);

Tailwind

colors: {
  custom: {
    50: '#946a6c',
    500: '#663136',
    950: '#000000',
  },
}

SCSS

$custom: #663136;
$custom-light: #946a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#663136",
  "rgb": {
    "r": 102,
    "g": 49,
    "b": 54
  },
  "hsl": {
    "h": 354.34,
    "s": 35.099,
    "l": 29.608
  },
  "oklch": {
    "l": 0.38473,
    "c": 0.07618,
    "h": 15.4
  },
  "luminance": 0.05288
}

Semantic roles & 50–950 ramp

primary

#663136

secondary

#5C9792

accent

#CBC15D

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0D0607

muted

#7E7A7A

Preview Lab

Preview with #663136

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

Preview Lab → · Contrast checker → · Palette generator →