#66221D#66221D

#66221D is a dark, moderate red. Relative luminance 0.041; OKLCH L 35.5% C 0.099 H 27.4°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#66221D
RGB	rgb(102, 34, 29)
HSL	hsl(4, 56%, 26%)
HSV	hsv(4, 72%, 40%)
CMYK	cmyk(0%, 66.7%, 71.6%, 60%)
CIE-LAB	lab(23.86, 30.24, 19.59)
CIE-LCH	lch(23.86, 36.03, 32.93°)
OKLab	oklab(35.52% 0.088 0.0457)
OKLCH	oklch(35.52% 0.099 27.4)
XYZ	xyz(6.2739, 4.0584, 1.6151)
Luminance	0.0406 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66221D #1D6166

analogous

#661D3C #66221D #66461D

triadic

#66221D #1D6622 #221D66

tetradic

#66221D #3C661D #1D6166 #461D66

square

#66221D #3C661D #1D6166 #461D66

split-complementary

#66221D #1D6646 #1D3C66

monochromatic

#180807 #36120F #66221D #96322B #C54238

Accessibility & contrast

On white

11.59

#66221D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#66221D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66221D

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66221D	#FFFFFF	#000000	##FFFFFF
##66221D	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34301C

Deuteranopia (green-blind)

#453E1B

Tritanopia (blue-blind)

#701321

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #66221d;
/* rgb */ color: rgb(102, 34, 29);
/* oklch */ color: oklch(35.5% 0.099 27.4);

Tailwind

colors: {
  custom: {
    50: '#976159',
    500: '#66221d',
    950: '#000000',
  },
}

SCSS

$custom: #66221d;
$custom-light: #976159;
$custom-dark: #000000;

JSON

{
  "hex": "#66221d",
  "rgb": {
    "r": 102,
    "g": 34,
    "b": 29
  },
  "hsl": {
    "h": 4.11,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35523,
    "c": 0.09914,
    "h": 27.4
  },
  "luminance": 0.04058
}

Semantic roles & 50–950 ramp

primary

#66221D

secondary

#44959B

accent

#D5DF49

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #66221D

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

Preview Lab → · Contrast checker → · Palette generator →