#6B171D#6B171D

#6B171D is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.117 H 22.0°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#6B171D
RGB	rgb(107, 23, 29)
HSL	hsl(356, 65%, 25%)
HSV	hsv(356, 79%, 42%)
CMYK	cmyk(0%, 78.5%, 72.9%, 58%)
CIE-LAB	lab(23.10, 36.92, 18.89)
CIE-LCH	lch(23.10, 41.47, 27.10°)
OKLab	oklab(35.14% 0.1084 0.0439)
OKLCH	oklch(35.14% 0.117 22)
XYZ	xyz(6.5923, 3.8283, 1.5540)
Luminance	0.0383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B171D #176B65

analogous

#6B1747 #6B171D #6B3B17

triadic

#6B171D #1D6B17 #171D6B

tetradic

#6B171D #476B17 #176B65 #3B176B

square

#6B171D #476B17 #176B65 #3B176B

split-complementary

#6B171D #176B3B #17476B

monochromatic

#190507 #390C0F #6B171D #9D222B #D02D38

Accessibility & contrast

On white

11.90

#6B171D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#6B171D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B171D

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B171D	#FFFFFF	#000000	##FFFFFF
##6B171D	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2C1C

Deuteranopia (green-blind)

#443E1A

Tritanopia (blue-blind)

#76001A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b171d;
/* rgb */ color: rgb(107, 23, 29);
/* oklch */ color: oklch(35.1% 0.117 22.0);

Tailwind

colors: {
  custom: {
    50: '#9c5c58',
    500: '#6b171d',
    950: '#000000',
  },
}

SCSS

$custom: #6b171d;
$custom-light: #9c5c58;
$custom-dark: #000000;

JSON

{
  "hex": "#6b171d",
  "rgb": {
    "r": 107,
    "g": 23,
    "b": 29
  },
  "hsl": {
    "h": 355.714,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35135,
    "c": 0.11695,
    "h": 22
  },
  "luminance": 0.03827
}

Semantic roles & 50–950 ramp

primary

#6B171D

secondary

#3DA19A

accent

#E8DC40

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #6B171D

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

Preview Lab → · Contrast checker → · Palette generator →