#6B1720#6B1720

#6B1720 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.2% C 0.117 H 20.0°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#6B1720
RGB	rgb(107, 23, 32)
HSL	hsl(354, 65%, 25%)
HSV	hsv(354, 79%, 42%)
CMYK	cmyk(0%, 78.5%, 70.1%, 58%)
CIE-LAB	lab(23.15, 37.09, 16.94)
CIE-LCH	lch(23.15, 40.78, 24.54°)
OKLab	oklab(35.19% 0.1097 0.04)
OKLCH	oklch(35.19% 0.117 20)
XYZ	xyz(6.6312, 3.8439, 1.7590)
Luminance	0.0384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1720 #176B62

analogous

#6B174A #6B1720 #6B3817

triadic

#6B1720 #206B17 #17206B

tetradic

#6B1720 #4A6B17 #176B62 #38176B

square

#6B1720 #4A6B17 #176B62 #38176B

split-complementary

#6B1720 #176B38 #174A6B

monochromatic

#190508 #390C11 #6B1720 #9D222F #D02D3E

Accessibility & contrast

On white

11.87

#6B1720 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#6B1720 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1720

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1720	#FFFFFF	#000000	##FFFFFF
##6B1720	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2C20

Deuteranopia (green-blind)

#443E1D

Tritanopia (blue-blind)

#76001B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b1720;
/* rgb */ color: rgb(107, 23, 32);
/* oklch */ color: oklch(35.2% 0.117 20.0);

Tailwind

colors: {
  custom: {
    50: '#9c5c5b',
    500: '#6b1720',
    950: '#000000',
  },
}

SCSS

$custom: #6b1720;
$custom-light: #9c5c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1720",
  "rgb": {
    "r": 107,
    "g": 23,
    "b": 32
  },
  "hsl": {
    "h": 353.571,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35191,
    "c": 0.11674,
    "h": 20
  },
  "luminance": 0.03843
}

Semantic roles & 50–950 ramp

primary

#6B1720

secondary

#3DA196

accent

#E8D640

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0404

muted

#7F7979

Preview Lab

Preview with #6B1720

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

Preview Lab → · Contrast checker → · Palette generator →