#6D231B#6D231B

#6D231B is a dark, moderate red. Relative luminance 0.045; OKLCH L 36.9% C 0.107 H 29.3°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#6D231B
RGB	rgb(109, 35, 27)
HSL	hsl(6, 60%, 27%)
HSV	hsv(6, 75%, 43%)
CMYK	cmyk(0%, 67.9%, 75.2%, 57.3%)
CIE-LAB	lab(25.36, 32.36, 22.97)
CIE-LCH	lch(25.36, 39.68, 35.38°)
OKLab	oklab(36.89% 0.0933 0.0524)
OKLCH	oklch(36.89% 0.107 29.3)
XYZ	xyz(7.1063, 4.5334, 1.5375)
Luminance	0.0453 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6D231B #1B656D

analogous

#6D1B3C #6D231B #6D4C1B

triadic

#6D231B #1B6D23 #231B6D

tetradic

#6D231B #3C6D1B #1B656D #4C1B6D

square

#6D231B #3C6D1B #1B656D #4C1B6D

split-complementary

#6D231B #1B6D4C #1B3C6D

monochromatic

#190806 #3C130F #6D231B #9E3327 #CD4435

Accessibility & contrast

On white

11.02

#6D231B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#6D231B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6D231B

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6D231B	#FFFFFF	#000000	##FFFFFF
##6D231B	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321A

Deuteranopia (green-blind)

#4A4219

Tritanopia (blue-blind)

#781022

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #6d231b;
/* rgb */ color: rgb(109, 35, 27);
/* oklch */ color: oklch(36.9% 0.107 29.3);

Tailwind

colors: {
  custom: {
    50: '#9d6257',
    500: '#6d231b',
    950: '#000000',
  },
}

SCSS

$custom: #6d231b;
$custom-light: #9d6257;
$custom-dark: #000000;

JSON

{
  "hex": "#6d231b",
  "rgb": {
    "r": 109,
    "g": 35,
    "b": 27
  },
  "hsl": {
    "h": 5.854,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36894,
    "c": 0.10696,
    "h": 29.3
  },
  "luminance": 0.04532
}

Semantic roles & 50–950 ramp

primary

#6D231B

secondary

#4299A2

accent

#D4E344

background

#FAF6F5

surface

#F4EBE9

border

#CEC6C5

text

#0F0503

muted

#7F7A78

Preview Lab

Preview with #6D231B

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

Preview Lab → · Contrast checker → · Palette generator →