#6B1D11#6B1D11

#6B1D11 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.6% C 0.113 H 31.6°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#6B1D11
RGB	rgb(107, 29, 17)
HSL	hsl(8, 73%, 24%)
HSV	hsv(8, 84%, 42%)
CMYK	cmyk(0%, 72.9%, 84.1%, 58%)
CIE-LAB	lab(23.82, 33.91, 27.29)
CIE-LCH	lch(23.82, 43.53, 38.83°)
OKLab	oklab(35.63% 0.0962 0.0591)
OKLCH	oklch(35.63% 0.113 31.6)
XYZ	xyz(6.6047, 4.0460, 0.9634)
Luminance	0.0404 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1D11 #115F6B

analogous

#6B1132 #6B1D11 #6B4A11

triadic

#6B1D11 #116B1D #1D116B

tetradic

#6B1D11 #326B11 #115F6B #4A116B

square

#6B1D11 #326B11 #115F6B #4A116B

split-complementary

#6B1D11 #116B4A #11326B

monochromatic

#1A0704 #360F09 #6B1D11 #A02B19 #D53A22

Accessibility & contrast

On white

11.61

#6B1D11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#6B1D11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1D11

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1D11	#FFFFFF	#000000	##FFFFFF
##6B1D11	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342E0F

Deuteranopia (green-blind)

#473F0E

Tritanopia (blue-blind)

#76021B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #6b1d11;
/* rgb */ color: rgb(107, 29, 17);
/* oklch */ color: oklch(35.6% 0.113 31.6);

Tailwind

colors: {
  custom: {
    50: '#9d5e50',
    500: '#6b1d11',
    950: '#000000',
  },
}

SCSS

$custom: #6b1d11;
$custom-light: #9d5e50;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1d11",
  "rgb": {
    "r": 107,
    "g": 29,
    "b": 17
  },
  "hsl": {
    "h": 8,
    "s": 72.581,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35627,
    "c": 0.11288,
    "h": 31.6
  },
  "luminance": 0.04045
}

Semantic roles & 50–950 ramp

primary

#6B1D11

secondary

#3594A3

accent

#D7EF39

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#100502

muted

#7F7978

Preview Lab

Preview with #6B1D11

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

Preview Lab → · Contrast checker → · Palette generator →