#6B1F11#6B1F11

#6B1F11 is a dark, moderate red. Relative luminance 0.041; OKLCH L 35.9% C 0.111 H 32.6°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#6B1F11
RGB	rgb(107, 31, 17)
HSL	hsl(9, 73%, 24%)
HSV	hsv(9, 84%, 42%)
CMYK	cmyk(0%, 71%, 84.1%, 58%)
CIE-LAB	lab(24.15, 33.02, 27.62)
CIE-LCH	lch(24.15, 43.05, 39.92°)
OKLab	oklab(35.87% 0.0934 0.0598)
OKLCH	oklch(35.87% 0.111 32.6)
XYZ	xyz(6.6553, 4.1472, 0.9803)
Luminance	0.0415 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1F11 #115D6B

analogous

#6B1130 #6B1F11 #6B4C11

triadic

#6B1F11 #116B1F #1F116B

tetradic

#6B1F11 #306B11 #115D6B #4C116B

square

#6B1F11 #306B11 #115D6B #4C116B

split-complementary

#6B1F11 #116B4C #11306B

monochromatic

#1A0804 #361009 #6B1F11 #A02E19 #D53E22

Accessibility & contrast

On white

11.48

#6B1F11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#6B1F11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1F11

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1F11	#FFFFFF	#000000	##FFFFFF
##6B1F11	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352F0F

Deuteranopia (green-blind)

#48400E

Tritanopia (blue-blind)

#76071C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #6b1f11;
/* rgb */ color: rgb(107, 31, 17);
/* oklch */ color: oklch(35.9% 0.111 32.6);

Tailwind

colors: {
  custom: {
    50: '#9c5f50',
    500: '#6b1f11',
    950: '#000000',
  },
}

SCSS

$custom: #6b1f11;
$custom-light: #9c5f50;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1f11",
  "rgb": {
    "r": 107,
    "g": 31,
    "b": 17
  },
  "hsl": {
    "h": 9.333,
    "s": 72.581,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35874,
    "c": 0.1109,
    "h": 32.6
  },
  "luminance": 0.04146
}

Semantic roles & 50–950 ramp

primary

#6B1F11

secondary

#3592A3

accent

#D3EF39

background

#FAF5F4

surface

#F4EAE7

border

#CEC6C3

text

#100502

muted

#7F7978

Preview Lab

Preview with #6B1F11

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

Preview Lab → · Contrast checker → · Palette generator →