#6B1915#6B1915

#6B1915 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.116 H 27.6°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#6B1915
RGB	rgb(107, 25, 21)
HSL	hsl(3, 67%, 25%)
HSV	hsv(3, 80%, 42%)
CMYK	cmyk(0%, 76.6%, 80.4%, 58%)
CIE-LAB	lab(23.26, 35.75, 24.28)
CIE-LCH	lch(23.26, 43.22, 34.19°)
OKLab	oklab(35.22% 0.1028 0.0539)
OKLCH	oklch(35.22% 0.116 27.6)
XYZ	xyz(6.5472, 3.8762, 1.1128)
Luminance	0.0387 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1915 #15676B

analogous

#6B153C #6B1915 #6B4415

triadic

#6B1915 #156B19 #19156B

tetradic

#6B1915 #3C6B15 #15676B #44156B

square

#6B1915 #3C6B15 #15676B #44156B

split-complementary

#6B1915 #156B44 #153C6B

monochromatic

#1A0605 #380D0B #6B1915 #9E251F #D13129

Accessibility & contrast

On white

11.83

#6B1915 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#6B1915 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1915

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1915	#FFFFFF	#000000	##FFFFFF
##6B1915	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C14

Deuteranopia (green-blind)

#463E12

Tritanopia (blue-blind)

#760019

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b1915;
/* rgb */ color: rgb(107, 25, 21);
/* oklch */ color: oklch(35.2% 0.116 27.6);

Tailwind

colors: {
  custom: {
    50: '#9c5c52',
    500: '#6b1915',
    950: '#000000',
  },
}

SCSS

$custom: #6b1915;
$custom-light: #9c5c52;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1915",
  "rgb": {
    "r": 107,
    "g": 25,
    "b": 21
  },
  "hsl": {
    "h": 2.791,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35218,
    "c": 0.11605,
    "h": 27.6
  },
  "luminance": 0.03875
}

Semantic roles & 50–950 ramp

primary

#6B1915

secondary

#3A9DA2

accent

#E2EA3E

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#100402

muted

#7F7978

Preview Lab

Preview with #6B1915

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

Preview Lab → · Contrast checker → · Palette generator →