#66191D#66191D

#66191D is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.109 H 22.3°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#66191D
RGB	rgb(102, 25, 29)
HSL	hsl(357, 61%, 25%)
HSV	hsv(357, 75%, 40%)
CMYK	cmyk(0%, 75.5%, 71.6%, 60%)
CIE-LAB	lab(22.34, 34.39, 17.73)
CIE-LCH	lch(22.34, 38.69, 27.27°)
OKLab	oklab(34.38% 0.1011 0.0415)
OKLCH	oklch(34.38% 0.109 22.3)
XYZ	xyz(6.0495, 3.6096, 1.5403)
Luminance	0.0361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66191D #196662

analogous

#661944 #66191D #663B19

triadic

#66191D #1D6619 #191D66

tetradic

#66191D #446619 #196662 #3B1966

square

#66191D #446619 #196662 #3B1966

split-complementary

#66191D #19663B #194466

monochromatic

#190607 #350D0F #66191D #97252B #C83139

Accessibility & contrast

On white

12.20

#66191D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#66191D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66191D

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66191D	#FFFFFF	#000000	##FFFFFF
##66191D	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2B1C

Deuteranopia (green-blind)

#423B1B

Tritanopia (blue-blind)

#71011B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #66191d;
/* rgb */ color: rgb(102, 25, 29);
/* oklch */ color: oklch(34.4% 0.109 22.3);

Tailwind

colors: {
  custom: {
    50: '#985c58',
    500: '#66191d',
    950: '#000000',
  },
}

SCSS

$custom: #66191d;
$custom-light: #985c58;
$custom-dark: #000000;

JSON

{
  "hex": "#66191d",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 29
  },
  "hsl": {
    "h": 356.883,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.3438,
    "c": 0.10928,
    "h": 22.3
  },
  "luminance": 0.03609
}

Semantic roles & 50–950 ramp

primary

#66191D

secondary

#3F9C97

accent

#E4DB44

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #66191D

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

Preview Lab → · Contrast checker → · Palette generator →