#6B1815#6B1815

#6B1815 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.117 H 27.2°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#6B1815
RGB	rgb(107, 24, 21)
HSL	hsl(2, 67%, 25%)
HSV	hsv(2, 80%, 42%)
CMYK	cmyk(0%, 77.6%, 80.4%, 58%)
CIE-LAB	lab(23.12, 36.14, 24.13)
CIE-LCH	lch(23.12, 43.46, 33.73°)
OKLab	oklab(35.11% 0.104 0.0535)
OKLCH	oklch(35.11% 0.117 27.2)
XYZ	xyz(6.5262, 3.8342, 1.1058)
Luminance	0.0383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1815 #15686B

analogous

#6B153D #6B1815 #6B4315

triadic

#6B1815 #156B18 #18156B

tetradic

#6B1815 #3D6B15 #15686B #43156B

square

#6B1815 #3D6B15 #15686B #43156B

split-complementary

#6B1815 #156B43 #153D6B

monochromatic

#1A0605 #380D0B #6B1815 #9E231F #D12F29

Accessibility & contrast

On white

11.89

#6B1815 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#6B1815 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1815

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1815	#FFFFFF	#000000	##FFFFFF
##6B1815	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C14

Deuteranopia (green-blind)

#453E12

Tritanopia (blue-blind)

#760018

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b1815;
/* rgb */ color: rgb(107, 24, 21);
/* oklch */ color: oklch(35.1% 0.117 27.2);

Tailwind

colors: {
  custom: {
    50: '#9d5c52',
    500: '#6b1815',
    950: '#000000',
  },
}

SCSS

$custom: #6b1815;
$custom-light: #9d5c52;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1815",
  "rgb": {
    "r": 107,
    "g": 24,
    "b": 21
  },
  "hsl": {
    "h": 2.093,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35112,
    "c": 0.11699,
    "h": 27.2
  },
  "luminance": 0.03833
}

Semantic roles & 50–950 ramp

primary

#6B1815

secondary

#3A9EA2

accent

#E4EA3E

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#100402

muted

#7F7978

Preview Lab

Preview with #6B1815

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

Preview Lab → · Contrast checker → · Palette generator →