#6B271F#6B271F

#6B271F is a dark, moderate red. Relative luminance 0.047; OKLCH L 37.2% C 0.099 H 29.3°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#6B271F
RGB	rgb(107, 39, 31)
HSL	hsl(6, 55%, 27%)
HSV	hsv(6, 71%, 42%)
CMYK	cmyk(0%, 63.6%, 71%, 58%)
CIE-LAB	lab(25.79, 29.81, 20.84)
CIE-LCH	lch(25.79, 36.37, 34.96°)
OKLab	oklab(37.17% 0.0864 0.0486)
OKLCH	oklch(37.17% 0.099 29.3)
XYZ	xyz(7.0369, 4.6767, 1.8282)
Luminance	0.0468 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B271F #1F636B

analogous

#6B1F3D #6B271F #6B4D1F

triadic

#6B271F #1F6B27 #271F6B

tetradic

#6B271F #3D6B1F #1F636B #4D1F6B

square

#6B271F #3D6B1F #1F636B #4D1F6B

split-complementary

#6B271F #1F6B4D #1F3D6B

monochromatic

#180907 #3C1611 #6B271F #9A382D #C74C3D

Accessibility & contrast

On white

10.85

#6B271F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#6B271F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B271F

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B271F	#FFFFFF	#000000	##FFFFFF
##6B271F	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39341E

Deuteranopia (green-blind)

#4A431D

Tritanopia (blue-blind)

#761825

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #6b271f;
/* rgb */ color: rgb(107, 39, 31);
/* oklch */ color: oklch(37.2% 0.099 29.3);

Tailwind

colors: {
  custom: {
    50: '#9b645b',
    500: '#6b271f',
    950: '#000000',
  },
}

SCSS

$custom: #6b271f;
$custom-light: #9b645b;
$custom-dark: #000000;

JSON

{
  "hex": "#6b271f",
  "rgb": {
    "r": 107,
    "g": 39,
    "b": 31
  },
  "hsl": {
    "h": 6.316,
    "s": 55.072,
    "l": 27.059
  },
  "oklch": {
    "l": 0.37166,
    "c": 0.09912,
    "h": 29.3
  },
  "luminance": 0.04676
}

Semantic roles & 50–950 ramp

primary

#6B271F

secondary

#47969F

accent

#CFDE49

background

#FAF6F5

surface

#F3EBE9

border

#CDC6C5

text

#0F0604

muted

#7F7A79

Preview Lab

Preview with #6B271F

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

Preview Lab → · Contrast checker → · Palette generator →