#6B221B#6B221B

#6B221B is a dark, moderate red. Relative luminance 0.043; OKLCH L 36.4% C 0.106 H 28.8°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#6B221B
RGB	rgb(107, 34, 27)
HSL	hsl(5, 60%, 26%)
HSV	hsv(5, 75%, 42%)
CMYK	cmyk(0%, 68.2%, 74.8%, 58%)
CIE-LAB	lab(24.80, 32.07, 22.22)
CIE-LCH	lch(24.80, 39.01, 34.72°)
OKLab	oklab(36.4% 0.0926 0.0508)
OKLCH	oklch(36.4% 0.106 28.8)
XYZ	xyz(6.8340, 4.3500, 1.5165)
Luminance	0.0435 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B221B #1B646B

analogous

#6B1B3C #6B221B #6B4A1B

triadic

#6B221B #1B6B22 #221B6B

tetradic

#6B221B #3C6B1B #1B646B #4A1B6B

square

#6B221B #3C6B1B #1B646B #4A1B6B

split-complementary

#6B221B #1B6B4A #1B3C6B

monochromatic

#180806 #3A120F #6B221B #9C3227 #CC4235

Accessibility & contrast

On white

11.23

#6B221B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#6B221B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B221B

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B221B	#FFFFFF	#000000	##FFFFFF
##6B221B	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)

#36311A

Deuteranopia (green-blind)

#484119

Tritanopia (blue-blind)

#761021

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #6b221b;
/* rgb */ color: rgb(107, 34, 27);
/* oklch */ color: oklch(36.4% 0.106 28.8);

Tailwind

colors: {
  custom: {
    50: '#9b6157',
    500: '#6b221b',
    950: '#000000',
  },
}

SCSS

$custom: #6b221b;
$custom-light: #9b6157;
$custom-dark: #000000;

JSON

{
  "hex": "#6b221b",
  "rgb": {
    "r": 107,
    "g": 34,
    "b": 27
  },
  "hsl": {
    "h": 5.25,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.36396,
    "c": 0.10565,
    "h": 28.8
  },
  "luminance": 0.04349
}

Semantic roles & 50–950 ramp

primary

#6B221B

secondary

#4298A0

accent

#D5E345

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #6B221B

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

Preview Lab → · Contrast checker → · Palette generator →