#66111A#66111A

#66111A is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.5% C 0.117 H 21.2°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#66111A
RGB	rgb(102, 17, 26)
HSL	hsl(354, 71%, 23%)
HSV	hsv(354, 83%, 40%)
CMYK	cmyk(0%, 83.3%, 74.5%, 60%)
CIE-LAB	lab(21.21, 37.21, 18.39)
CIE-LCH	lch(21.21, 41.50, 26.29°)
OKLab	oklab(33.53% 0.1094 0.0425)
OKLCH	oklch(33.53% 0.117 21.2)
XYZ	xyz(5.8671, 3.3012, 1.3053)
Luminance	0.0330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66111A #11665D

analogous

#661144 #66111A #663211

triadic

#66111A #1A6611 #111A66

tetradic

#66111A #446611 #11665D #321166

square

#66111A #446611 #11665D #321166

split-complementary

#66111A #116632 #114466

monochromatic

#1A0407 #32080D #66111A #9A1A27 #CF2235

Accessibility & contrast

On white

12.65

#66111A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#66111A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66111A

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66111A	#FFFFFF	#000000	##FFFFFF
##66111A	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B271A

Deuteranopia (green-blind)

#403917

Tritanopia (blue-blind)

#710015

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #66111a;
/* rgb */ color: rgb(102, 17, 26);
/* oklch */ color: oklch(33.5% 0.117 21.2);

Tailwind

colors: {
  custom: {
    50: '#985856',
    500: '#66111a',
    950: '#000000',
  },
}

SCSS

$custom: #66111a;
$custom-light: #985856;
$custom-dark: #000000;

JSON

{
  "hex": "#66111a",
  "rgb": {
    "r": 102,
    "g": 17,
    "b": 26
  },
  "hsl": {
    "h": 353.647,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33527,
    "c": 0.11731,
    "h": 21.2
  },
  "luminance": 0.033
}

Semantic roles & 50–950 ramp

primary

#66111A

secondary

#359E93

accent

#EEDB3A

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #66111A

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

Preview Lab → · Contrast checker → · Palette generator →