#66211D#66211D

#66211D is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.100 H 26.8°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#66211D
RGB	rgb(102, 33, 29)
HSL	hsl(3, 56%, 26%)
HSV	hsv(3, 72%, 40%)
CMYK	cmyk(0%, 67.6%, 71.6%, 60%)
CIE-LAB	lab(23.68, 30.74, 19.37)
CIE-LCH	lch(23.68, 36.33, 32.21°)
OKLab	oklab(35.38% 0.0896 0.0452)
OKLCH	oklch(35.38% 0.1 26.8)
XYZ	xyz(6.2458, 4.0021, 1.6057)
Luminance	0.0400 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66211D #1D6266

analogous

#661D3D #66211D #66451D

triadic

#66211D #1D6621 #211D66

tetradic

#66211D #3D661D #1D6266 #451D66

square

#66211D #3D661D #1D6266 #451D66

split-complementary

#66211D #1D6645 #1D3D66

monochromatic

#180807 #36120F #66211D #96302B #C54038

Accessibility & contrast

On white

11.67

#66211D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#66211D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66211D

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66211D	#FFFFFF	#000000	##FFFFFF
##66211D	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)

#342F1C

Deuteranopia (green-blind)

#453E1B

Tritanopia (blue-blind)

#701121

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #66211d;
/* rgb */ color: rgb(102, 33, 29);
/* oklch */ color: oklch(35.4% 0.100 26.8);

Tailwind

colors: {
  custom: {
    50: '#976059',
    500: '#66211d',
    950: '#000000',
  },
}

SCSS

$custom: #66211d;
$custom-light: #976059;
$custom-dark: #000000;

JSON

{
  "hex": "#66211d",
  "rgb": {
    "r": 102,
    "g": 33,
    "b": 29
  },
  "hsl": {
    "h": 3.288,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35384,
    "c": 0.1003,
    "h": 26.8
  },
  "luminance": 0.04001
}

Semantic roles & 50–950 ramp

primary

#66211D

secondary

#44969B

accent

#D7DF49

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0F0503

muted

#7E7978

Preview Lab

Preview with #66211D

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

Preview Lab → · Contrast checker → · Palette generator →