#6D171B#6D171B

#6D171B is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.5% C 0.119 H 23.5°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#6D171B
RGB	rgb(109, 23, 27)
HSL	hsl(357, 65%, 26%)
HSV	hsv(357, 79%, 43%)
CMYK	cmyk(0%, 78.9%, 75.2%, 57.3%)
CIE-LAB	lab(23.49, 37.49, 20.79)
CIE-LCH	lch(23.49, 42.87, 29.01°)
OKLab	oklab(35.49% 0.1095 0.0476)
OKLCH	oklch(35.49% 0.119 23.5)
XYZ	xyz(6.8117, 3.9442, 1.4393)
Luminance	0.0394 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6D171B #176D69

analogous

#6D1746 #6D171B #6D3E17

triadic

#6D171B #1B6D17 #171B6D

tetradic

#6D171B #466D17 #176D69 #3E176D

square

#6D171B #466D17 #176D69 #3E176D

split-complementary

#6D171B #176D3E #17466D

monochromatic

#190506 #3A0C0E #6D171B #A02228 #D22C34

Accessibility & contrast

On white

11.74

#6D171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#6D171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6D171B

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6D171B	#FFFFFF	#000000	##FFFFFF
##6D171B	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1A

Deuteranopia (green-blind)

#463F18

Tritanopia (blue-blind)

#780019

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #6d171b;
/* rgb */ color: rgb(109, 23, 27);
/* oklch */ color: oklch(35.5% 0.119 23.5);

Tailwind

colors: {
  custom: {
    50: '#9e5c57',
    500: '#6d171b',
    950: '#000000',
  },
}

SCSS

$custom: #6d171b;
$custom-light: #9e5c57;
$custom-dark: #000000;

JSON

{
  "hex": "#6d171b",
  "rgb": {
    "r": 109,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 357.209,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35491,
    "c": 0.11935,
    "h": 23.5
  },
  "luminance": 0.03943
}

Semantic roles & 50–950 ramp

primary

#6D171B

secondary

#3DA39E

accent

#E8E040

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100403

muted

#7F7978

Preview Lab

Preview with #6D171B

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

Preview Lab → · Contrast checker → · Palette generator →