#66111D#66111D

#66111D is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.6% C 0.117 H 19.2°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#66111D
RGB	rgb(102, 17, 29)
HSL	hsl(352, 71%, 23%)
HSV	hsv(352, 83%, 40%)
CMYK	cmyk(0%, 83.3%, 71.6%, 60%)
CIE-LAB	lab(21.26, 37.38, 16.40)
CIE-LCH	lch(21.26, 40.82, 23.69°)
OKLab	oklab(33.58% 0.1106 0.0386)
OKLCH	oklch(33.58% 0.117 19.2)
XYZ	xyz(5.9024, 3.3153, 1.4913)
Luminance	0.0331 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66111D #11665A

analogous

#661147 #66111D #662F11

triadic

#66111D #1D6611 #111D66

tetradic

#66111D #476611 #11665A #2F1166

square

#66111D #476611 #11665A #2F1166

split-complementary

#66111D #11662F #114766

monochromatic

#1A0407 #32080E #66111D #9A1A2C #CF223B

Accessibility & contrast

On white

12.63

#66111D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#66111D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66111D

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66111D	#FFFFFF	#000000	##FFFFFF
##66111D	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A281D

Deuteranopia (green-blind)

#40391A

Tritanopia (blue-blind)

#710016

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #66111d;
/* rgb */ color: rgb(102, 17, 29);
/* oklch */ color: oklch(33.6% 0.117 19.2);

Tailwind

colors: {
  custom: {
    50: '#985858',
    500: '#66111d',
    950: '#000000',
  },
}

SCSS

$custom: #66111d;
$custom-light: #985858;
$custom-dark: #000000;

JSON

{
  "hex": "#66111d",
  "rgb": {
    "r": 102,
    "g": 17,
    "b": 29
  },
  "hsl": {
    "h": 351.529,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33583,
    "c": 0.11715,
    "h": 19.2
  },
  "luminance": 0.03314
}

Semantic roles & 50–950 ramp

primary

#66111D

secondary

#359E8F

accent

#EED53A

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #66111D

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

Preview Lab → · Contrast checker → · Palette generator →