#66161C#66161C

#66161C is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.112 H 21.7°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#66161C
RGB	rgb(102, 22, 28)
HSL	hsl(356, 65%, 24%)
HSV	hsv(356, 78%, 40%)
CMYK	cmyk(0%, 78.4%, 72.5%, 60%)
CIE-LAB	lab(21.88, 35.54, 17.85)
CIE-LCH	lch(21.88, 39.76, 26.67°)
OKLab	oklab(34.04% 0.1045 0.0417)
OKLCH	oklch(34.04% 0.112 21.7)
XYZ	xyz(5.9767, 3.4833, 1.4560)
Luminance	0.0348 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66161C #166660

analogous

#661644 #66161C #663816

triadic

#66161C #1C6616 #161C66

tetradic

#66161C #446616 #166660 #381666

square

#66161C #446616 #166660 #381666

split-complementary

#66161C #166638 #164466

monochromatic

#190507 #340B0E #66161C #98212A #CB2C38

Accessibility & contrast

On white

12.38

#66161C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#66161C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66161C

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66161C	#FFFFFF	#000000	##FFFFFF
##66161C	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2A1C

Deuteranopia (green-blind)

#413B1A

Tritanopia (blue-blind)

#710019

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #66161c;
/* rgb */ color: rgb(102, 22, 28);
/* oklch */ color: oklch(34.0% 0.112 21.7);

Tailwind

colors: {
  custom: {
    50: '#985b58',
    500: '#66161c',
    950: '#000000',
  },
}

SCSS

$custom: #66161c;
$custom-light: #985b58;
$custom-dark: #000000;

JSON

{
  "hex": "#66161c",
  "rgb": {
    "r": 102,
    "g": 22,
    "b": 28
  },
  "hsl": {
    "h": 355.5,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34037,
    "c": 0.11249,
    "h": 21.7
  },
  "luminance": 0.03482
}

Semantic roles & 50–950 ramp

primary

#66161C

secondary

#3B9D95

accent

#E8DB40

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #66161C

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

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