#66131E#66131E

#66131E is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.115 H 19.2°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#66131E
RGB	rgb(102, 19, 30)
HSL	hsl(352, 69%, 24%)
HSV	hsv(352, 81%, 40%)
CMYK	cmyk(0%, 81.4%, 70.6%, 60%)
CIE-LAB	lab(21.52, 36.76, 16.04)
CIE-LCH	lch(21.52, 40.10, 23.57°)
OKLab	oklab(33.78% 0.1089 0.0379)
OKLCH	oklch(33.78% 0.115 19.2)
XYZ	xyz(5.9474, 3.3852, 1.5683)
Luminance	0.0338 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66131E #13665B

analogous

#661347 #66131E #663113

triadic

#66131E #1E6613 #131E66

tetradic

#66131E #476613 #13665B #311366

square

#66131E #476613 #13665B #311366

split-complementary

#66131E #136631 #134766

monochromatic

#1A0508 #32090F #66131E #9A1D2D #CD263C

Accessibility & contrast

On white

12.52

#66131E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#66131E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66131E

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66131E	#FFFFFF	#000000	##FFFFFF
##66131E	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281E

Deuteranopia (green-blind)

#403A1C

Tritanopia (blue-blind)

#710018

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #66131e;
/* rgb */ color: rgb(102, 19, 30);
/* oklch */ color: oklch(33.8% 0.115 19.2);

Tailwind

colors: {
  custom: {
    50: '#985959',
    500: '#66131e',
    950: '#000000',
  },
}

SCSS

$custom: #66131e;
$custom-light: #985959;
$custom-dark: #000000;

JSON

{
  "hex": "#66131e",
  "rgb": {
    "r": 102,
    "g": 19,
    "b": 30
  },
  "hsl": {
    "h": 352.048,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33782,
    "c": 0.11528,
    "h": 19.2
  },
  "luminance": 0.03384
}

Semantic roles & 50–950 ramp

primary

#66131E

secondary

#379D90

accent

#EBD43C

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #66131E

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

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