#66271A#66271A

#66271A is a dark, moderate red. Relative luminance 0.043; OKLCH L 36.2% C 0.094 H 33.3°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#66271A
RGB	rgb(102, 39, 26)
HSL	hsl(10, 59%, 25%)
HSV	hsv(10, 75%, 40%)
CMYK	cmyk(0%, 61.8%, 74.5%, 60%)
CIE-LAB	lab(24.80, 27.47, 22.61)
CIE-LCH	lch(24.80, 35.58, 39.46°)
OKLab	oklab(36.22% 0.0787 0.0518)
OKLCH	oklch(36.22% 0.094 33.3)
XYZ	xyz(6.3921, 4.3512, 1.4804)
Luminance	0.0435 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66271A #1A5966

analogous

#661A33 #66271A #664D1A

triadic

#66271A #1A6627 #271A66

tetradic

#66271A #33661A #1A5966 #4D1A66

square

#66271A #33661A #1A5966 #4D1A66

split-complementary

#66271A #1A664D #1A3366

monochromatic

#180906 #35140E #66271A #973A26 #C84C33

Accessibility & contrast

On white

11.23

#66271A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#66271A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66271A

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66271A	#FFFFFF	#000000	##FFFFFF
##66271A	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383218

Deuteranopia (green-blind)

#484018

Tritanopia (blue-blind)

#701924

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #66271a;
/* rgb */ color: rgb(102, 39, 26);
/* oklch */ color: oklch(36.2% 0.094 33.3);

Tailwind

colors: {
  custom: {
    50: '#976457',
    500: '#66271a',
    950: '#000000',
  },
}

SCSS

$custom: #66271a;
$custom-light: #976457;
$custom-dark: #000000;

JSON

{
  "hex": "#66271a",
  "rgb": {
    "r": 102,
    "g": 39,
    "b": 26
  },
  "hsl": {
    "h": 10.263,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.36215,
    "c": 0.09416,
    "h": 33.3
  },
  "luminance": 0.0435
}

Semantic roles & 50–950 ramp

primary

#66271A

secondary

#408C9C

accent

#C8E345

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #66271A

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

Preview Lab → · Contrast checker → · Palette generator →