#66211B#66211B

#66211B is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.101 H 28.2°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#66211B
RGB	rgb(102, 33, 27)
HSL	hsl(5, 58%, 25%)
HSV	hsv(5, 74%, 40%)
CMYK	cmyk(0%, 67.6%, 73.5%, 60%)
CIE-LAB	lab(23.65, 30.62, 20.63)
CIE-LCH	lch(23.65, 36.92, 33.97°)
OKLab	oklab(35.35% 0.0887 0.0476)
OKLCH	oklch(35.35% 0.101 28.2)
XYZ	xyz(6.2218, 3.9925, 1.4797)
Luminance	0.0399 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66211B #1B6066

analogous

#661B3A #66211B #66461B

triadic

#66211B #1B6621 #211B66

tetradic

#66211B #3A661B #1B6066 #461B66

square

#66211B #3A661B #1B6066 #461B66

split-complementary

#66211B #1B6646 #1B3A66

monochromatic

#180806 #36110E #66211B #963128 #C74035

Accessibility & contrast

On white

11.68

#66211B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#66211B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66211B

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66211B	#FFFFFF	#000000	##FFFFFF
##66211B	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F1A

Deuteranopia (green-blind)

#453E19

Tritanopia (blue-blind)

#711020

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #66211b;
/* rgb */ color: rgb(102, 33, 27);
/* oklch */ color: oklch(35.4% 0.101 28.2);

Tailwind

colors: {
  custom: {
    50: '#976057',
    500: '#66211b',
    950: '#000000',
  },
}

SCSS

$custom: #66211b;
$custom-light: #976057;
$custom-dark: #000000;

JSON

{
  "hex": "#66211b",
  "rgb": {
    "r": 102,
    "g": 33,
    "b": 27
  },
  "hsl": {
    "h": 4.8,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.3535,
    "c": 0.10069,
    "h": 28.2
  },
  "luminance": 0.03992
}

Semantic roles & 50–950 ramp

primary

#66211B

secondary

#41949B

accent

#D5E146

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0F0503

muted

#7E7978

Preview Lab

Preview with #66211B

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

Preview Lab → · Contrast checker → · Palette generator →