#6C181C#6C181C

#6C181C is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.4% C 0.117 H 23.2°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#6C181C
RGB	rgb(108, 24, 28)
HSL	hsl(357, 64%, 26%)
HSV	hsv(357, 78%, 42%)
CMYK	cmyk(0%, 77.8%, 74.1%, 57.6%)
CIE-LAB	lab(23.43, 36.82, 20.01)
CIE-LCH	lch(23.43, 41.91, 28.52°)
OKLab	oklab(35.41% 0.1077 0.0461)
OKLCH	oklch(35.41% 0.117 23.2)
XYZ	xyz(6.7213, 3.9263, 1.5023)
Luminance	0.0393 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C181C #186C68

analogous

#6C1846 #6C181C #6C3E18

triadic

#6C181C #1C6C18 #181C6C

tetradic

#6C181C #466C18 #186C68 #3E186C

square

#6C181C #466C18 #186C68 #3E186C

split-complementary

#6C181C #186C3E #18466C

monochromatic

#190606 #3A0D0F #6C181C #9E2329 #D02E36

Accessibility & contrast

On white

11.76

#6C181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#6C181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6C181C

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C181C	#FFFFFF	#000000	##FFFFFF
##6C181C	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1B

Deuteranopia (green-blind)

#453E19

Tritanopia (blue-blind)

#77001A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #6c181c;
/* rgb */ color: rgb(108, 24, 28);
/* oklch */ color: oklch(35.4% 0.117 23.2);

Tailwind

colors: {
  custom: {
    50: '#9d5c58',
    500: '#6c181c',
    950: '#000000',
  },
}

SCSS

$custom: #6c181c;
$custom-light: #9d5c58;
$custom-dark: #000000;

JSON

{
  "hex": "#6c181c",
  "rgb": {
    "r": 108,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 357.143,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35414,
    "c": 0.11718,
    "h": 23.2
  },
  "luminance": 0.03925
}

Semantic roles & 50–950 ramp

primary

#6C181C

secondary

#3EA29D

accent

#E7DF41

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #6C181C

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

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