#66190E#66190E

#66190E is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.2% C 0.112 H 31.3°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#66190E
RGB	rgb(102, 25, 14)
HSL	hsl(8, 76%, 23%)
HSV	hsv(8, 86%, 40%)
CMYK	cmyk(0%, 75.5%, 86.3%, 60%)
CIE-LAB	lab(22.13, 33.68, 26.86)
CIE-LCH	lch(22.13, 43.08, 38.57°)
OKLab	oklab(34.16% 0.0954 0.0579)
OKLCH	oklch(34.16% 0.112 31.3)
XYZ	xyz(5.9071, 3.5527, 0.7901)
Luminance	0.0355 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66190E #0E5B66

analogous

#660E2F #66190E #66450E

triadic

#66190E #0E6619 #190E66

tetradic

#66190E #2F660E #0E5B66 #450E66

square

#66190E #2F660E #0E5B66 #450E66

split-complementary

#66190E #0E6645 #0E2F66

monochromatic

#1B0704 #300C07 #66190E #9C2615 #D2331D

Accessibility & contrast

On white

12.28

#66190E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#66190E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66190E

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66190E	#FFFFFF	#000000	##FFFFFF
##66190E	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302A0C

Deuteranopia (green-blind)

#433B0A

Tritanopia (blue-blind)

#710017

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #66190e;
/* rgb */ color: rgb(102, 25, 14);
/* oklch */ color: oklch(34.2% 0.112 31.3);

Tailwind

colors: {
  custom: {
    50: '#995c4e',
    500: '#66190e',
    950: '#000000',
  },
}

SCSS

$custom: #66190e;
$custom-light: #995c4e;
$custom-dark: #000000;

JSON

{
  "hex": "#66190e",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 14
  },
  "hsl": {
    "h": 7.5,
    "s": 75.862,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34163,
    "c": 0.1116,
    "h": 31.3
  },
  "luminance": 0.03552
}

Semantic roles & 50–950 ramp

primary

#66190E

secondary

#31919F

accent

#DBF235

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #66190E

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

Preview Lab → · Contrast checker → · Palette generator →