#6B221C#6B221C

#6B221C is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.4% C 0.105 H 28.1°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#6B221C
RGB	rgb(107, 34, 28)
HSL	hsl(5, 59%, 26%)
HSV	hsv(5, 74%, 42%)
CMYK	cmyk(0%, 68.2%, 73.8%, 58%)
CIE-LAB	lab(24.81, 32.12, 21.60)
CIE-LCH	lch(24.81, 38.71, 33.91°)
OKLab	oklab(36.41% 0.093 0.0497)
OKLCH	oklch(36.41% 0.105 28.1)
XYZ	xyz(6.8458, 4.3547, 1.5784)
Luminance	0.0435 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B221C #1C656B

analogous

#6B1C3E #6B221C #6B4A1C

triadic

#6B221C #1C6B22 #221C6B

tetradic

#6B221C #3E6B1C #1C656B #4A1C6B

square

#6B221C #3E6B1C #1C656B #4A1C6B

split-complementary

#6B221C #1C6B4A #1C3E6B

monochromatic

#180806 #3A130F #6B221C #9C3129 #CB4237

Accessibility & contrast

On white

11.23

#6B221C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#6B221C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B221C

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B221C	#FFFFFF	#000000	##FFFFFF
##6B221C	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311B

Deuteranopia (green-blind)

#48411A

Tritanopia (blue-blind)

#761021

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #6b221c;
/* rgb */ color: rgb(107, 34, 28);
/* oklch */ color: oklch(36.4% 0.105 28.1);

Tailwind

colors: {
  custom: {
    50: '#9b6158',
    500: '#6b221c',
    950: '#000000',
  },
}

SCSS

$custom: #6b221c;
$custom-light: #9b6158;
$custom-dark: #000000;

JSON

{
  "hex": "#6b221c",
  "rgb": {
    "r": 107,
    "g": 34,
    "b": 28
  },
  "hsl": {
    "h": 4.557,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.36412,
    "c": 0.10545,
    "h": 28.1
  },
  "luminance": 0.04354
}

Semantic roles & 50–950 ramp

primary

#6B221C

secondary

#4399A0

accent

#D6E246

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #6B221C

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

Preview Lab → · Contrast checker → · Palette generator →