#6B231A#6B231A

#6B231A is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.5% C 0.105 H 30.0°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#6B231A
RGB	rgb(107, 35, 26)
HSL	hsl(7, 61%, 26%)
HSV	hsv(7, 76%, 42%)
CMYK	cmyk(0%, 67.3%, 75.7%, 58%)
CIE-LAB	lab(24.96, 31.53, 23.04)
CIE-LCH	lch(24.96, 39.05, 36.16°)
OKLab	oklab(36.52% 0.0907 0.0524)
OKLCH	oklch(36.52% 0.105 30)
XYZ	xyz(6.8516, 4.4034, 1.4662)
Luminance	0.0440 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B231A #1A626B

analogous

#6B1A39 #6B231A #6B4B1A

triadic

#6B231A #1A6B23 #231A6B

tetradic

#6B231A #396B1A #1A626B #4B1A6B

square

#6B231A #396B1A #1A626B #4B1A6B

split-complementary

#6B231A #1A6B4B #1A396B

monochromatic

#190806 #3A130E #6B231A #9C3326 #CD4332

Accessibility & contrast

On white

11.17

#6B231A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#6B231A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B231A

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B231A	#FFFFFF	#000000	##FFFFFF
##6B231A	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373119

Deuteranopia (green-blind)

#494118

Tritanopia (blue-blind)

#761121

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #6b231a;
/* rgb */ color: rgb(107, 35, 26);
/* oklch */ color: oklch(36.5% 0.105 30.0);

Tailwind

colors: {
  custom: {
    50: '#9b6257',
    500: '#6b231a',
    950: '#000000',
  },
}

SCSS

$custom: #6b231a;
$custom-light: #9b6257;
$custom-dark: #000000;

JSON

{
  "hex": "#6b231a",
  "rgb": {
    "r": 107,
    "g": 35,
    "b": 26
  },
  "hsl": {
    "h": 6.667,
    "s": 60.902,
    "l": 26.078
  },
  "oklch": {
    "l": 0.36517,
    "c": 0.10476,
    "h": 30
  },
  "luminance": 0.04402
}

Semantic roles & 50–950 ramp

primary

#6B231A

secondary

#4096A0

accent

#D2E444

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #6B231A

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

Preview Lab → · Contrast checker → · Palette generator →