#66191F#66191F

#66191F is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.109 H 20.9°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#66191F
RGB	rgb(102, 25, 31)
HSL	hsl(355, 61%, 25%)
HSV	hsv(355, 75%, 40%)
CMYK	cmyk(0%, 75.5%, 69.6%, 60%)
CIE-LAB	lab(22.37, 34.51, 16.42)
CIE-LCH	lch(22.37, 38.22, 25.44°)
OKLab	oklab(34.42% 0.1019 0.0389)
OKLCH	oklch(34.42% 0.109 20.9)
XYZ	xyz(6.0751, 3.6199, 1.6749)
Luminance	0.0362 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66191F #196660

analogous

#661945 #66191F #663A19

triadic

#66191F #1F6619 #191F66

tetradic

#66191F #456619 #196660 #3A1966

square

#66191F #456619 #196660 #3A1966

split-complementary

#66191F #19663A #194566

monochromatic

#190607 #350D10 #66191F #97252E #C8313D

Accessibility & contrast

On white

12.18

#66191F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#66191F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66191F

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66191F	#FFFFFF	#000000	##FFFFFF
##66191F	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2B1F

Deuteranopia (green-blind)

#423B1D

Tritanopia (blue-blind)

#71021C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #66191f;
/* rgb */ color: rgb(102, 25, 31);
/* oklch */ color: oklch(34.4% 0.109 20.9);

Tailwind

colors: {
  custom: {
    50: '#985c5a',
    500: '#66191f',
    950: '#000000',
  },
}

SCSS

$custom: #66191f;
$custom-light: #985c5a;
$custom-dark: #000000;

JSON

{
  "hex": "#66191f",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 31
  },
  "hsl": {
    "h": 355.325,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34418,
    "c": 0.10911,
    "h": 20.9
  },
  "luminance": 0.03619
}

Semantic roles & 50–950 ramp

primary

#66191F

secondary

#3F9C95

accent

#E4D744

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #66191F

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

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