#66211F#66211F

#66211F is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.100 H 25.3°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#66211F
RGB	rgb(102, 33, 31)
HSL	hsl(2, 53%, 26%)
HSV	hsv(2, 70%, 40%)
CMYK	cmyk(0%, 67.6%, 69.6%, 60%)
CIE-LAB	lab(23.71, 30.87, 18.09)
CIE-LCH	lch(23.71, 35.78, 30.37°)
OKLab	oklab(35.42% 0.0904 0.0427)
OKLCH	oklch(35.42% 0.1 25.3)
XYZ	xyz(6.2713, 4.0123, 1.7403)
Luminance	0.0401 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66211F #1F6466

analogous

#661F40 #66211F #66441F

triadic

#66211F #1F6621 #211F66

tetradic

#66211F #40661F #1F6466 #441F66

square

#66211F #40661F #1F6466 #441F66

split-complementary

#66211F #1F6644 #1F4066

monochromatic

#170807 #371211 #66211F #95302D #C4403C

Accessibility & contrast

On white

11.65

#66211F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#66211F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66211F

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66211F	#FFFFFF	#000000	##FFFFFF
##66211F	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332F1E

Deuteranopia (green-blind)

#453E1D

Tritanopia (blue-blind)

#701121

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #66211f;
/* rgb */ color: rgb(102, 33, 31);
/* oklch */ color: oklch(35.4% 0.100 25.3);

Tailwind

colors: {
  custom: {
    50: '#97605a',
    500: '#66211f',
    950: '#000000',
  },
}

SCSS

$custom: #66211f;
$custom-light: #97605a;
$custom-dark: #000000;

JSON

{
  "hex": "#66211f",
  "rgb": {
    "r": 102,
    "g": 33,
    "b": 31
  },
  "hsl": {
    "h": 1.69,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.3542,
    "c": 0.09996,
    "h": 25.3
  },
  "luminance": 0.04011
}

Semantic roles & 50–950 ramp

primary

#66211F

secondary

#46989A

accent

#D9DD4B

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0504

muted

#7E7979

Preview Lab

Preview with #66211F

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

Preview Lab → · Contrast checker → · Palette generator →