#6B171C#6B171C

#6B171C is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.117 H 22.7°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#6B171C
RGB	rgb(107, 23, 28)
HSL	hsl(356, 65%, 25%)
HSV	hsv(356, 79%, 42%)
CMYK	cmyk(0%, 78.5%, 73.8%, 58%)
CIE-LAB	lab(23.08, 36.86, 19.54)
CIE-LCH	lch(23.08, 41.72, 27.93°)
OKLab	oklab(35.12% 0.108 0.0452)
OKLCH	oklch(35.12% 0.117 22.7)
XYZ	xyz(6.5801, 3.8234, 1.4899)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B171C #176B66

analogous

#6B1746 #6B171C #6B3C17

triadic

#6B171C #1C6B17 #171C6B

tetradic

#6B171C #466B17 #176B66 #3C176B

square

#6B171C #466B17 #176B66 #3C176B

split-complementary

#6B171C #176B3C #17466B

monochromatic

#190507 #390C0F #6B171C #9D2229 #D02D36

Accessibility & contrast

On white

11.90

#6B171C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6B171C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B171C

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B171C	#FFFFFF	#000000	##FFFFFF
##6B171C	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1B

Deuteranopia (green-blind)

#453E19

Tritanopia (blue-blind)

#76001A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b171c;
/* rgb */ color: rgb(107, 23, 28);
/* oklch */ color: oklch(35.1% 0.117 22.7);

Tailwind

colors: {
  custom: {
    50: '#9c5c58',
    500: '#6b171c',
    950: '#000000',
  },
}

SCSS

$custom: #6b171c;
$custom-light: #9c5c58;
$custom-dark: #000000;

JSON

{
  "hex": "#6b171c",
  "rgb": {
    "r": 107,
    "g": 23,
    "b": 28
  },
  "hsl": {
    "h": 356.429,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35117,
    "c": 0.11705,
    "h": 22.7
  },
  "luminance": 0.03822
}

Semantic roles & 50–950 ramp

primary

#6B171C

secondary

#3DA19B

accent

#E8DE40

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #6B171C

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

Preview Lab → · Contrast checker → · Palette generator →