#66271E#66271E

#66271E is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.3% C 0.093 H 30.4°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#66271E
RGB	rgb(102, 39, 30)
HSL	hsl(8, 55%, 26%)
HSV	hsv(8, 71%, 40%)
CMYK	cmyk(0%, 61.8%, 70.6%, 60%)
CIE-LAB	lab(24.86, 27.72, 20.14)
CIE-LCH	lch(24.86, 34.26, 36.01°)
OKLab	oklab(36.28% 0.0803 0.0471)
OKLCH	oklch(36.28% 0.093 30.4)
XYZ	xyz(6.4400, 4.3704, 1.7325)
Luminance	0.0437 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66271E #1E5D66

analogous

#661E39 #66271E #664B1E

triadic

#66271E #1E6627 #271E66

tetradic

#66271E #39661E #1E5D66 #4B1E66

square

#66271E #39661E #1E5D66 #4B1E66

split-complementary

#66271E #1E664B #1E3966

monochromatic

#180907 #371510 #66271E #95392C #C54B3A

Accessibility & contrast

On white

11.21

#66271E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#66271E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66271E

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66271E	#FFFFFF	#000000	##FFFFFF
##66271E	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)

#38321D

Deuteranopia (green-blind)

#47401C

Tritanopia (blue-blind)

#701A25

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #66271e;
/* rgb */ color: rgb(102, 39, 30);
/* oklch */ color: oklch(36.3% 0.093 30.4);

Tailwind

colors: {
  custom: {
    50: '#97645a',
    500: '#66271e',
    950: '#000000',
  },
}

SCSS

$custom: #66271e;
$custom-light: #97645a;
$custom-dark: #000000;

JSON

{
  "hex": "#66271e",
  "rgb": {
    "r": 102,
    "g": 39,
    "b": 30
  },
  "hsl": {
    "h": 7.5,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3628,
    "c": 0.09308,
    "h": 30.4
  },
  "luminance": 0.0437
}

Semantic roles & 50–950 ramp

primary

#66271E

secondary

#45909B

accent

#CBDE4A

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #66271E

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

Preview Lab → · Contrast checker → · Palette generator →