#66161F#66161F

#66161F is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.1% C 0.112 H 19.6°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#66161F
RGB	rgb(102, 22, 31)
HSL	hsl(353, 65%, 24%)
HSV	hsv(353, 78%, 40%)
CMYK	cmyk(0%, 78.4%, 69.6%, 60%)
CIE-LAB	lab(21.94, 35.72, 15.87)
CIE-LCH	lch(21.94, 39.09, 23.96°)
OKLab	oklab(34.1% 0.1058 0.0377)
OKLCH	oklch(34.1% 0.112 19.6)
XYZ	xyz(6.0144, 3.4984, 1.6546)
Luminance	0.0350 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66161F #16665D

analogous

#661647 #66161F #663516

triadic

#66161F #1F6616 #161F66

tetradic

#66161F #476616 #16665D #351666

square

#66161F #476616 #16665D #351666

split-complementary

#66161F #166635 #164766

monochromatic

#190508 #340B10 #66161F #98212E #CB2C3E

Accessibility & contrast

On white

12.36

#66161F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#66161F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66161F

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66161F	#FFFFFF	#000000	##FFFFFF
##66161F	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2A1F

Deuteranopia (green-blind)

#413B1D

Tritanopia (blue-blind)

#71001A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #66161f;
/* rgb */ color: rgb(102, 22, 31);
/* oklch */ color: oklch(34.1% 0.112 19.6);

Tailwind

colors: {
  custom: {
    50: '#985b5a',
    500: '#66161f',
    950: '#000000',
  },
}

SCSS

$custom: #66161f;
$custom-light: #985b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#66161f",
  "rgb": {
    "r": 102,
    "g": 22,
    "b": 31
  },
  "hsl": {
    "h": 353.25,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34095,
    "c": 0.11229,
    "h": 19.6
  },
  "luminance": 0.03498
}

Semantic roles & 50–950 ramp

primary

#66161F

secondary

#3B9D92

accent

#E8D540

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #66161F

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

Preview Lab → · Contrast checker → · Palette generator →