#663239#663239

#663239 is a dark, moderate red. Relative luminance 0.054; OKLCH L 38.7% C 0.075 H 12.7°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#663239
RGB	rgb(102, 50, 57)
HSL	hsl(352, 34%, 30%)
HSV	hsv(352, 51%, 40%)
CMYK	cmyk(0%, 51%, 44.1%, 60%)
CIE-LAB	lab(27.85, 24.09, 6.33)
CIE-LCH	lch(27.85, 24.91, 14.72°)
OKLab	oklab(38.73% 0.073 0.0164)
OKLCH	oklch(38.73% 0.075 12.7)
XYZ	xyz(7.3590, 5.4021, 4.5252)
Luminance	0.0540 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663239 #32665F

analogous

#663253 #663239 #664532

triadic

#663239 #396632 #323966

tetradic

#663239 #536632 #32665F #453266

square

#663239 #536632 #32665F #453266

split-complementary

#663239 #326645 #325366

monochromatic

#150A0B #3D1E22 #663239 #8F4650 #B2616C

Accessibility & contrast

On white

10.10

#663239 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#663239 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663239

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663239	#FFFFFF	#000000	##FFFFFF
##663239	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B39

Deuteranopia (green-blind)

#494638

Tritanopia (blue-blind)

#6E2C35

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #663239;
/* rgb */ color: rgb(102, 50, 57);
/* oklch */ color: oklch(38.7% 0.075 12.7);

Tailwind

colors: {
  custom: {
    50: '#946b6f',
    500: '#663239',
    950: '#000000',
  },
}

SCSS

$custom: #663239;
$custom-light: #946b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#663239",
  "rgb": {
    "r": 102,
    "g": 50,
    "b": 57
  },
  "hsl": {
    "h": 351.923,
    "s": 34.211,
    "l": 29.804
  },
  "oklch": {
    "l": 0.38734,
    "c": 0.0748,
    "h": 12.7
  },
  "luminance": 0.05401
}

Semantic roles & 50–950 ramp

primary

#663239

secondary

#5D978F

accent

#CABC5E

background

#F9F6F6

surface

#F2EBEC

border

#CCC6C7

text

#0D0707

muted

#7E7A7A

Preview Lab

Preview with #663239

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

Preview Lab → · Contrast checker → · Palette generator →