#6C171B#6C171B

#6C171B is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.118 H 23.4°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#6C171B
RGB	rgb(108, 23, 27)
HSL	hsl(357, 65%, 26%)
HSV	hsv(357, 79%, 42%)
CMYK	cmyk(0%, 78.7%, 75%, 57.6%)
CIE-LAB	lab(23.27, 37.15, 20.49)
CIE-LCH	lch(23.27, 42.42, 28.88°)
OKLab	oklab(35.3% 0.1085 0.047)
OKLCH	oklch(35.3% 0.118 23.4)
XYZ	xyz(6.6893, 3.8811, 1.4336)
Luminance	0.0388 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C171B #176C68

analogous

#6C1745 #6C171B #6C3D17

triadic

#6C171B #1B6C17 #171B6C

tetradic

#6C171B #456C17 #176C68 #3D176C

square

#6C171B #456C17 #176C68 #3D176C

split-complementary

#6C171B #176C3D #17456C

monochromatic

#190506 #3A0C0E #6C171B #9E2228 #D12C34

Accessibility & contrast

On white

11.82

#6C171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#6C171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6C171B

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C171B	#FFFFFF	#000000	##FFFFFF
##6C171B	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1A

Deuteranopia (green-blind)

#453E18

Tritanopia (blue-blind)

#770019

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6c171b;
/* rgb */ color: rgb(108, 23, 27);
/* oklch */ color: oklch(35.3% 0.118 23.4);

Tailwind

colors: {
  custom: {
    50: '#9d5c57',
    500: '#6c171b',
    950: '#000000',
  },
}

SCSS

$custom: #6c171b;
$custom-light: #9d5c57;
$custom-dark: #000000;

JSON

{
  "hex": "#6c171b",
  "rgb": {
    "r": 108,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 357.176,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35296,
    "c": 0.11826,
    "h": 23.4
  },
  "luminance": 0.0388
}

Semantic roles & 50–950 ramp

primary

#6C171B

secondary

#3DA29D

accent

#E8E040

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100403

muted

#7F7978

Preview Lab

Preview with #6C171B

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

Preview Lab → · Contrast checker → · Palette generator →