#6D181A#6D181A

#6D181A is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.6% C 0.119 H 24.5°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#6D181A
RGB	rgb(109, 24, 26)
HSL	hsl(359, 64%, 26%)
HSV	hsv(359, 78%, 43%)
CMYK	cmyk(0%, 78%, 76.1%, 57.3%)
CIE-LAB	lab(23.61, 37.06, 21.59)
CIE-LCH	lch(23.61, 42.89, 30.22°)
OKLab	oklab(35.58% 0.1079 0.0491)
OKLCH	oklch(35.58% 0.119 24.5)
XYZ	xyz(6.8205, 3.9801, 1.3862)
Luminance	0.0398 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6D181A #186D6B

analogous

#6D1844 #6D181A #6D4018

triadic

#6D181A #1A6D18 #181A6D

tetradic

#6D181A #446D18 #186D6B #40186D

square

#6D181A #446D18 #186D6B #40186D

split-complementary

#6D181A #186D40 #18446D

monochromatic

#190606 #3B0D0E #6D181A #9F2326 #D12E32

Accessibility & contrast

On white

11.69

#6D181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#6D181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6D181A

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6D181A	#FFFFFF	#000000	##FFFFFF
##6D181A	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D19

Deuteranopia (green-blind)

#463F17

Tritanopia (blue-blind)

#78001A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #6d181a;
/* rgb */ color: rgb(109, 24, 26);
/* oklch */ color: oklch(35.6% 0.119 24.5);

Tailwind

colors: {
  custom: {
    50: '#9e5c56',
    500: '#6d181a',
    950: '#000000',
  },
}

SCSS

$custom: #6d181a;
$custom-light: #9e5c56;
$custom-dark: #000000;

JSON

{
  "hex": "#6d181a",
  "rgb": {
    "r": 109,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 358.588,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35575,
    "c": 0.11852,
    "h": 24.5
  },
  "luminance": 0.03979
}

Semantic roles & 50–950 ramp

primary

#6D181A

secondary

#3EA3A0

accent

#E7E341

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100403

muted

#7F7978

Preview Lab

Preview with #6D181A

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

Preview Lab → · Contrast checker → · Palette generator →