#6B231C#6B231C

#6B231C is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.5% C 0.104 H 28.7°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#6B231C
RGB	rgb(107, 35, 28)
HSL	hsl(5, 59%, 26%)
HSV	hsv(5, 74%, 42%)
CMYK	cmyk(0%, 67.3%, 73.8%, 58%)
CIE-LAB	lab(24.99, 31.64, 21.81)
CIE-LCH	lch(24.99, 38.43, 34.58°)
OKLab	oklab(36.55% 0.0915 0.0501)
OKLCH	oklch(36.55% 0.104 28.7)
XYZ	xyz(6.8748, 4.4127, 1.5881)
Luminance	0.0441 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B231C #1C646B

analogous

#6B1C3D #6B231C #6B4B1C

triadic

#6B231C #1C6B23 #231C6B

tetradic

#6B231C #3D6B1C #1C646B #4B1C6B

square

#6B231C #3D6B1C #1C646B #4B1C6B

split-complementary

#6B231C #1C6B4B #1C3D6B

monochromatic

#180806 #3A130F #6B231C #9C3329 #CB4437

Accessibility & contrast

On white

11.16

#6B231C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#6B231C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B231C

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B231C	#FFFFFF	#000000	##FFFFFF
##6B231C	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37311B

Deuteranopia (green-blind)

#49411A

Tritanopia (blue-blind)

#761222

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #6b231c;
/* rgb */ color: rgb(107, 35, 28);
/* oklch */ color: oklch(36.5% 0.104 28.7);

Tailwind

colors: {
  custom: {
    50: '#9b6258',
    500: '#6b231c',
    950: '#000000',
  },
}

SCSS

$custom: #6b231c;
$custom-light: #9b6258;
$custom-dark: #000000;

JSON

{
  "hex": "#6b231c",
  "rgb": {
    "r": 107,
    "g": 35,
    "b": 28
  },
  "hsl": {
    "h": 5.316,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.36548,
    "c": 0.10433,
    "h": 28.7
  },
  "luminance": 0.04412
}

Semantic roles & 50–950 ramp

primary

#6B231C

secondary

#4398A0

accent

#D4E246

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #6B231C

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

Preview Lab → · Contrast checker → · Palette generator →