#6B271B#6B271B

#6B271B is a dark, moderate red. Relative luminance 0.047; OKLCH L 37.1% C 0.100 H 32.1°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#6B271B
RGB	rgb(107, 39, 27)
HSL	hsl(9, 60%, 26%)
HSV	hsv(9, 75%, 42%)
CMYK	cmyk(0%, 63.6%, 74.8%, 58%)
CIE-LAB	lab(25.73, 29.57, 23.30)
CIE-LCH	lch(25.73, 37.65, 38.24°)
OKLab	oklab(37.1% 0.0848 0.0532)
OKLCH	oklch(37.1% 0.1 32.1)
XYZ	xyz(6.9875, 4.6569, 1.5676)
Luminance	0.0466 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B271B #1B5F6B

analogous

#6B1B37 #6B271B #6B4F1B

triadic

#6B271B #1B6B27 #271B6B

tetradic

#6B271B #376B1B #1B5F6B #4F1B6B

square

#6B271B #376B1B #1B5F6B #4F1B6B

split-complementary

#6B271B #1B6B4F #1B376B

monochromatic

#180906 #3A150F #6B271B #9C3927 #CC4B35

Accessibility & contrast

On white

10.87

#6B271B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#6B271B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B271B

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B271B	#FFFFFF	#000000	##FFFFFF
##6B271B	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393419

Deuteranopia (green-blind)

#4A4319

Tritanopia (blue-blind)

#761824

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #6b271b;
/* rgb */ color: rgb(107, 39, 27);
/* oklch */ color: oklch(37.1% 0.100 32.1);

Tailwind

colors: {
  custom: {
    50: '#9b6458',
    500: '#6b271b',
    950: '#000000',
  },
}

SCSS

$custom: #6b271b;
$custom-light: #9b6458;
$custom-dark: #000000;

JSON

{
  "hex": "#6b271b",
  "rgb": {
    "r": 107,
    "g": 39,
    "b": 27
  },
  "hsl": {
    "h": 9,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37103,
    "c": 0.10011,
    "h": 32.1
  },
  "luminance": 0.04656
}

Semantic roles & 50–950 ramp

primary

#6B271B

secondary

#4292A0

accent

#CBE345

background

#FAF6F5

surface

#F4EBE9

border

#CEC6C5

text

#0F0503

muted

#7F7A78

Preview Lab

Preview with #6B271B

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

Preview Lab → · Contrast checker → · Palette generator →