#6B231D#6B231D

#6B231D is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.6% C 0.104 H 28.0°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#6B231D
RGB	rgb(107, 35, 29)
HSL	hsl(5, 57%, 27%)
HSV	hsv(5, 73%, 42%)
CMYK	cmyk(0%, 67.3%, 72.9%, 58%)
CIE-LAB	lab(25.01, 31.70, 21.19)
CIE-LCH	lch(25.01, 38.13, 33.76°)
OKLab	oklab(36.56% 0.0919 0.049)
OKLCH	oklch(36.56% 0.104 28)
XYZ	xyz(6.8869, 4.4175, 1.6522)
Luminance	0.0442 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B231D #1D656B

analogous

#6B1D3E #6B231D #6B4A1D

triadic

#6B231D #1D6B23 #231D6B

tetradic

#6B231D #3E6B1D #1D656B #4A1D6B

square

#6B231D #3E6B1D #1D656B #4A1D6B

split-complementary

#6B231D #1D6B4A #1D3E6B

monochromatic

#180807 #3B1310 #6B231D #9B332A #C94439

Accessibility & contrast

On white

11.15

#6B231D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#6B231D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B231D

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B231D	#FFFFFF	#000000	##FFFFFF
##6B231D	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37311C

Deuteranopia (green-blind)

#48411B

Tritanopia (blue-blind)

#761222

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #6b231d;
/* rgb */ color: rgb(107, 35, 29);
/* oklch */ color: oklch(36.6% 0.104 28.0);

Tailwind

colors: {
  custom: {
    50: '#9b6259',
    500: '#6b231d',
    950: '#000000',
  },
}

SCSS

$custom: #6b231d;
$custom-light: #9b6259;
$custom-dark: #000000;

JSON

{
  "hex": "#6b231d",
  "rgb": {
    "r": 107,
    "g": 35,
    "b": 29
  },
  "hsl": {
    "h": 4.615,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36564,
    "c": 0.10413,
    "h": 28
  },
  "luminance": 0.04417
}

Semantic roles & 50–950 ramp

primary

#6B231D

secondary

#4499A0

accent

#D5E147

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #6B231D

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

Preview Lab → · Contrast checker → · Palette generator →