#66271D#66271D

#66271D is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.3% C 0.093 H 31.1°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#66271D
RGB	rgb(102, 39, 29)
HSL	hsl(8, 56%, 26%)
HSV	hsv(8, 72%, 40%)
CMYK	cmyk(0%, 61.8%, 71.6%, 60%)
CIE-LAB	lab(24.84, 27.65, 20.77)
CIE-LCH	lch(24.84, 34.58, 36.91°)
OKLab	oklab(36.26% 0.0799 0.0483)
OKLCH	oklch(36.26% 0.093 31.1)
XYZ	xyz(6.4274, 4.3654, 1.6663)
Luminance	0.0437 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66271D #1D5C66

analogous

#661D37 #66271D #664B1D

triadic

#66271D #1D6627 #271D66

tetradic

#66271D #37661D #1D5C66 #4B1D66

square

#66271D #37661D #1D5C66 #4B1D66

split-complementary

#66271D #1D664B #1D3766

monochromatic

#180907 #36150F #66271D #96392B #C54B38

Accessibility & contrast

On white

11.21

#66271D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#66271D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66271D

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66271D	#FFFFFF	#000000	##FFFFFF
##66271D	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38321C

Deuteranopia (green-blind)

#47401B

Tritanopia (blue-blind)

#701A25

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #66271d;
/* rgb */ color: rgb(102, 39, 29);
/* oklch */ color: oklch(36.3% 0.093 31.1);

Tailwind

colors: {
  custom: {
    50: '#976459',
    500: '#66271d',
    950: '#000000',
  },
}

SCSS

$custom: #66271d;
$custom-light: #976459;
$custom-dark: #000000;

JSON

{
  "hex": "#66271d",
  "rgb": {
    "r": 102,
    "g": 39,
    "b": 29
  },
  "hsl": {
    "h": 8.219,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36263,
    "c": 0.09333,
    "h": 31.1
  },
  "luminance": 0.04365
}

Semantic roles & 50–950 ramp

primary

#66271D

secondary

#448F9B

accent

#CADF49

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #66271D

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

Preview Lab → · Contrast checker → · Palette generator →