#66131A#66131A

#66131A is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.116 H 21.9°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#66131A
RGB	rgb(102, 19, 26)
HSL	hsl(355, 69%, 24%)
HSV	hsv(355, 81%, 40%)
CMYK	cmyk(0%, 81.4%, 74.5%, 60%)
CIE-LAB	lab(21.45, 36.53, 18.68)
CIE-LCH	lch(21.45, 41.03, 27.08°)
OKLab	oklab(33.71% 0.1072 0.0431)
OKLCH	oklch(33.71% 0.116 21.9)
XYZ	xyz(5.8995, 3.3660, 1.3162)
Luminance	0.0336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66131A #13665F

analogous

#661343 #66131A #663513

triadic

#66131A #1A6613 #131A66

tetradic

#66131A #436613 #13665F #351366

square

#66131A #436613 #13665F #351366

split-complementary

#66131A #136635 #134366

monochromatic

#1A0507 #32090D #66131A #9A1D27 #CD2634

Accessibility & contrast

On white

12.55

#66131A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#66131A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66131A

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66131A	#FFFFFF	#000000	##FFFFFF
##66131A	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C281A

Deuteranopia (green-blind)

#403A17

Tritanopia (blue-blind)

#710016

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #66131a;
/* rgb */ color: rgb(102, 19, 26);
/* oklch */ color: oklch(33.7% 0.116 21.9);

Tailwind

colors: {
  custom: {
    50: '#985956',
    500: '#66131a',
    950: '#000000',
  },
}

SCSS

$custom: #66131a;
$custom-light: #985956;
$custom-dark: #000000;

JSON

{
  "hex": "#66131a",
  "rgb": {
    "r": 102,
    "g": 19,
    "b": 26
  },
  "hsl": {
    "h": 354.94,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33706,
    "c": 0.11553,
    "h": 21.9
  },
  "luminance": 0.03365
}

Semantic roles & 50–950 ramp

primary

#66131A

secondary

#379D95

accent

#EBDD3C

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #66131A

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

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