#6B1513#6B1513

#6B1513 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.8% C 0.120 H 27.1°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#6B1513
RGB	rgb(107, 21, 19)
HSL	hsl(1, 70%, 25%)
HSV	hsv(1, 82%, 42%)
CMYK	cmyk(0%, 80.4%, 82.2%, 58%)
CIE-LAB	lab(22.69, 37.18, 24.93)
CIE-LCH	lch(22.69, 44.76, 33.84°)
OKLab	oklab(34.79% 0.1068 0.0546)
OKLCH	oklch(34.79% 0.12 27.1)
XYZ	xyz(6.4499, 3.7102, 0.9925)
Luminance	0.0371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1513 #13696B

analogous

#6B133D #6B1513 #6B4113

triadic

#6B1513 #136B15 #15136B

tetradic

#6B1513 #3D6B13 #13696B #41136B

square

#6B1513 #3D6B13 #13696B #41136B

split-complementary

#6B1513 #136B41 #133D6B

monochromatic

#1A0505 #370B0A #6B1513 #9F1F1C #D32925

Accessibility & contrast

On white

12.06

#6B1513 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#6B1513 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1513

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1513	#FFFFFF	#000000	##FFFFFF
##6B1513	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A12

Deuteranopia (green-blind)

#453D0F

Tritanopia (blue-blind)

#770016

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #6b1513;
/* rgb */ color: rgb(107, 21, 19);
/* oklch */ color: oklch(34.8% 0.120 27.1);

Tailwind

colors: {
  custom: {
    50: '#9d5b51',
    500: '#6b1513',
    950: '#000000',
  },
}

SCSS

$custom: #6b1513;
$custom-light: #9d5b51;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1513",
  "rgb": {
    "r": 107,
    "g": 21,
    "b": 19
  },
  "hsl": {
    "h": 1.364,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34787,
    "c": 0.11999,
    "h": 27.1
  },
  "luminance": 0.03709
}

Semantic roles & 50–950 ramp

primary

#6B1513

secondary

#38A0A2

accent

#E9ED3B

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#100402

muted

#7F7978

Preview Lab

Preview with #6B1513

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

Preview Lab → · Contrast checker → · Palette generator →