#66191E#66191E

#66191E is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.109 H 21.6°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#66191E
RGB	rgb(102, 25, 30)
HSL	hsl(356, 61%, 25%)
HSV	hsv(356, 75%, 40%)
CMYK	cmyk(0%, 75.5%, 70.6%, 60%)
CIE-LAB	lab(22.35, 34.45, 17.07)
CIE-LCH	lch(22.35, 38.45, 26.36°)
OKLab	oklab(34.4% 0.1015 0.0402)
OKLCH	oklch(34.4% 0.109 21.6)
XYZ	xyz(6.0621, 3.6147, 1.6065)
Luminance	0.0361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66191E #196661

analogous

#661944 #66191E #663B19

triadic

#66191E #1E6619 #191E66

tetradic

#66191E #446619 #196661 #3B1966

square

#66191E #446619 #196661 #3B1966

split-complementary

#66191E #19663B #194466

monochromatic

#190607 #350D10 #66191E #97252C #C8313B

Accessibility & contrast

On white

12.19

#66191E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#66191E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66191E

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66191E	#FFFFFF	#000000	##FFFFFF
##66191E	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2B1E

Deuteranopia (green-blind)

#423B1C

Tritanopia (blue-blind)

#71021C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #66191e;
/* rgb */ color: rgb(102, 25, 30);
/* oklch */ color: oklch(34.4% 0.109 21.6);

Tailwind

colors: {
  custom: {
    50: '#985c59',
    500: '#66191e',
    950: '#000000',
  },
}

SCSS

$custom: #66191e;
$custom-light: #985c59;
$custom-dark: #000000;

JSON

{
  "hex": "#66191e",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 30
  },
  "hsl": {
    "h": 356.104,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34399,
    "c": 0.10919,
    "h": 21.6
  },
  "luminance": 0.03614
}

Semantic roles & 50–950 ramp

primary

#66191E

secondary

#3F9C96

accent

#E4D944

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #66191E

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

Preview Lab → · Contrast checker → · Palette generator →