#66141B#66141B

#66141B is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.115 H 21.6°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#66141B
RGB	rgb(102, 20, 27)
HSL	hsl(355, 67%, 24%)
HSV	hsv(355, 80%, 40%)
CMYK	cmyk(0%, 80.4%, 73.5%, 60%)
CIE-LAB	lab(21.60, 36.23, 18.17)
CIE-LCH	lch(21.60, 40.53, 26.64°)
OKLab	oklab(33.82% 0.1065 0.0422)
OKLCH	oklch(33.82% 0.115 21.6)
XYZ	xyz(5.9281, 3.4051, 1.3818)
Luminance	0.0340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66141B #14665F

analogous

#661444 #66141B #663614

triadic

#66141B #1B6614 #141B66

tetradic

#66141B #446614 #14665F #361466

square

#66141B #446614 #14665F #361466

split-complementary

#66141B #146636 #144466

monochromatic

#1A0507 #330A0D #66141B #991E29 #CC2836

Accessibility & contrast

On white

12.49

#66141B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#66141B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66141B

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66141B	#FFFFFF	#000000	##FFFFFF
##66141B	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C291B

Deuteranopia (green-blind)

#413A18

Tritanopia (blue-blind)

#710017

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #66141b;
/* rgb */ color: rgb(102, 20, 27);
/* oklch */ color: oklch(33.8% 0.115 21.6);

Tailwind

colors: {
  custom: {
    50: '#985a57',
    500: '#66141b',
    950: '#000000',
  },
}

SCSS

$custom: #66141b;
$custom-light: #985a57;
$custom-dark: #000000;

JSON

{
  "hex": "#66141b",
  "rgb": {
    "r": 102,
    "g": 20,
    "b": 27
  },
  "hsl": {
    "h": 354.878,
    "s": 67.213,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33819,
    "c": 0.11451,
    "h": 21.6
  },
  "luminance": 0.03404
}

Semantic roles & 50–950 ramp

primary

#66141B

secondary

#399D95

accent

#EADB3E

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #66141B

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

Preview Lab → · Contrast checker → · Palette generator →