#66211C#66211C

#66211C is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.100 H 27.5°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#66211C
RGB	rgb(102, 33, 28)
HSL	hsl(4, 57%, 25%)
HSV	hsv(4, 73%, 40%)
CMYK	cmyk(0%, 67.6%, 72.5%, 60%)
CIE-LAB	lab(23.66, 30.68, 20.00)
CIE-LCH	lch(23.66, 36.62, 33.10°)
OKLab	oklab(35.37% 0.0891 0.0464)
OKLCH	oklch(35.37% 0.1 27.5)
XYZ	xyz(6.2336, 3.9972, 1.5417)
Luminance	0.0400 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66211C #1C6166

analogous

#661C3C #66211C #66461C

triadic

#66211C #1C6621 #211C66

tetradic

#66211C #3C661C #1C6166 #461C66

square

#66211C #3C661C #1C6166 #461C66

split-complementary

#66211C #1C6646 #1C3C66

monochromatic

#180807 #36110F #66211C #963129 #C64036

Accessibility & contrast

On white

11.67

#66211C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#66211C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66211C

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66211C	#FFFFFF	#000000	##FFFFFF
##66211C	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F1B

Deuteranopia (green-blind)

#453E1A

Tritanopia (blue-blind)

#711120

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #66211c;
/* rgb */ color: rgb(102, 33, 28);
/* oklch */ color: oklch(35.4% 0.100 27.5);

Tailwind

colors: {
  custom: {
    50: '#976058',
    500: '#66211c',
    950: '#000000',
  },
}

SCSS

$custom: #66211c;
$custom-light: #976058;
$custom-dark: #000000;

JSON

{
  "hex": "#66211c",
  "rgb": {
    "r": 102,
    "g": 33,
    "b": 28
  },
  "hsl": {
    "h": 4.054,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35367,
    "c": 0.10049,
    "h": 27.5
  },
  "luminance": 0.03996
}

Semantic roles & 50–950 ramp

primary

#66211C

secondary

#43959B

accent

#D6E048

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0F0503

muted

#7E7978

Preview Lab

Preview with #66211C

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

Preview Lab → · Contrast checker → · Palette generator →