#6B171B#6B171B

#6B171B is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.117 H 23.3°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#6B171B
RGB	rgb(107, 23, 27)
HSL	hsl(357, 65%, 25%)
HSV	hsv(357, 79%, 42%)
CMYK	cmyk(0%, 78.5%, 74.8%, 58%)
CIE-LAB	lab(23.06, 36.81, 20.19)
CIE-LCH	lch(23.06, 41.98, 28.74°)
OKLab	oklab(35.1% 0.1076 0.0464)
OKLCH	oklch(35.1% 0.117 23.3)
XYZ	xyz(6.5684, 3.8187, 1.4279)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B171B #176B67

analogous

#6B1745 #6B171B #6B3D17

triadic

#6B171B #1B6B17 #171B6B

tetradic

#6B171B #456B17 #176B67 #3D176B

square

#6B171B #456B17 #176B67 #3D176B

split-complementary

#6B171B #176B3D #17456B

monochromatic

#190506 #390C0E #6B171B #9D2228 #D02D34

Accessibility & contrast

On white

11.91

#6B171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6B171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B171B

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B171B	#FFFFFF	#000000	##FFFFFF
##6B171B	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302B1A

Deuteranopia (green-blind)

#453E18

Tritanopia (blue-blind)

#760019

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b171b;
/* rgb */ color: rgb(107, 23, 27);
/* oklch */ color: oklch(35.1% 0.117 23.3);

Tailwind

colors: {
  custom: {
    50: '#9c5c57',
    500: '#6b171b',
    950: '#000000',
  },
}

SCSS

$custom: #6b171b;
$custom-light: #9c5c57;
$custom-dark: #000000;

JSON

{
  "hex": "#6b171b",
  "rgb": {
    "r": 107,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 357.143,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.351,
    "c": 0.11715,
    "h": 23.3
  },
  "luminance": 0.03818
}

Semantic roles & 50–950 ramp

primary

#6B171B

secondary

#3DA19C

accent

#E8E040

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #6B171B

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

Preview Lab → · Contrast checker → · Palette generator →