#66271C#66271C

#66271C is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.2% C 0.094 H 31.9°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#66271C
RGB	rgb(102, 39, 28)
HSL	hsl(9, 57%, 25%)
HSV	hsv(9, 73%, 40%)
CMYK	cmyk(0%, 61.8%, 72.5%, 60%)
CIE-LAB	lab(24.83, 27.59, 21.39)
CIE-LCH	lch(24.83, 34.91, 37.78°)
OKLab	oklab(36.25% 0.0795 0.0495)
OKLCH	oklch(36.25% 0.094 31.9)
XYZ	xyz(6.4152, 4.3605, 1.6022)
Luminance	0.0436 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66271C #1C5B66

analogous

#661C36 #66271C #664C1C

triadic

#66271C #1C6627 #271C66

tetradic

#66271C #36661C #1C5B66 #4C1C66

square

#66271C #36661C #1C5B66 #4C1C66

split-complementary

#66271C #1C664C #1C3666

monochromatic

#180907 #36150F #66271C #963929 #C64C36

Accessibility & contrast

On white

11.22

#66271C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#66271C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66271C

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66271C	#FFFFFF	#000000	##FFFFFF
##66271C	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38321B

Deuteranopia (green-blind)

#47401A

Tritanopia (blue-blind)

#701A25

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #66271c;
/* rgb */ color: rgb(102, 39, 28);
/* oklch */ color: oklch(36.2% 0.094 31.9);

Tailwind

colors: {
  custom: {
    50: '#976458',
    500: '#66271c',
    950: '#000000',
  },
}

SCSS

$custom: #66271c;
$custom-light: #976458;
$custom-dark: #000000;

JSON

{
  "hex": "#66271c",
  "rgb": {
    "r": 102,
    "g": 39,
    "b": 28
  },
  "hsl": {
    "h": 8.919,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36246,
    "c": 0.0936,
    "h": 31.9
  },
  "luminance": 0.0436
}

Semantic roles & 50–950 ramp

primary

#66271C

secondary

#438E9B

accent

#CAE048

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #66271C

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

Preview Lab → · Contrast checker → · Palette generator →