#6B1D13#6B1D13

#6B1D13 is a dark, moderate red. Relative luminance 0.041; OKLCH L 35.6% C 0.112 H 30.6°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#6B1D13
RGB	rgb(107, 29, 19)
HSL	hsl(7, 70%, 25%)
HSV	hsv(7, 82%, 42%)
CMYK	cmyk(0%, 72.9%, 82.2%, 58%)
CIE-LAB	lab(23.84, 33.99, 26.13)
CIE-LCH	lch(23.84, 42.87, 37.55°)
OKLab	oklab(35.65% 0.0968 0.0573)
OKLCH	oklch(35.65% 0.112 30.6)
XYZ	xyz(6.6211, 4.0525, 1.0496)
Luminance	0.0405 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1D13 #13616B

analogous

#6B1335 #6B1D13 #6B4913

triadic

#6B1D13 #136B1D #1D136B

tetradic

#6B1D13 #356B13 #13616B #49136B

square

#6B1D13 #356B13 #13616B #49136B

split-complementary

#6B1D13 #136B49 #13356B

monochromatic

#1A0705 #370F0A #6B1D13 #9F2B1C #D33925

Accessibility & contrast

On white

11.60

#6B1D13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#6B1D13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1D13

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1D13	#FFFFFF	#000000	##FFFFFF
##6B1D13	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342E11

Deuteranopia (green-blind)

#473F10

Tritanopia (blue-blind)

#76031B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #6b1d13;
/* rgb */ color: rgb(107, 29, 19);
/* oklch */ color: oklch(35.6% 0.112 30.6);

Tailwind

colors: {
  custom: {
    50: '#9c5e51',
    500: '#6b1d13',
    950: '#000000',
  },
}

SCSS

$custom: #6b1d13;
$custom-light: #9c5e51;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1d13",
  "rgb": {
    "r": 107,
    "g": 29,
    "b": 19
  },
  "hsl": {
    "h": 6.818,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35649,
    "c": 0.11249,
    "h": 30.6
  },
  "luminance": 0.04052
}

Semantic roles & 50–950 ramp

primary

#6B1D13

secondary

#3896A2

accent

#D8ED3B

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#100502

muted

#7F7978

Preview Lab

Preview with #6B1D13

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

Preview Lab → · Contrast checker → · Palette generator →