#6A181D#6A181D

#6A181D is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.115 H 22.3°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#6A181D
RGB	rgb(106, 24, 29)
HSL	hsl(356, 63%, 25%)
HSV	hsv(356, 77%, 42%)
CMYK	cmyk(0%, 77.4%, 72.6%, 58.4%)
CIE-LAB	lab(23.02, 36.19, 18.76)
CIE-LCH	lch(23.02, 40.76, 27.40°)
OKLab	oklab(35.04% 0.1062 0.0437)
OKLCH	oklch(35.04% 0.115 22.3)
XYZ	xyz(6.4930, 3.8071, 1.5551)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6A181D #186A65

analogous

#6A1846 #6A181D #6A3C18

triadic

#6A181D #1D6A18 #181D6A

tetradic

#6A181D #466A18 #186A65 #3C186A

square

#6A181D #466A18 #186A65 #3C186A

split-complementary

#6A181D #186A3C #18466A

monochromatic

#190607 #380D0F #6A181D #9C232B #CE2F38

Accessibility & contrast

On white

11.92

#6A181D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6A181D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6A181D

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6A181D	#FFFFFF	#000000	##FFFFFF
##6A181D	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1C

Deuteranopia (green-blind)

#443D1A

Tritanopia (blue-blind)

#75001B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6a181d;
/* rgb */ color: rgb(106, 24, 29);
/* oklch */ color: oklch(35.0% 0.115 22.3);

Tailwind

colors: {
  custom: {
    50: '#9b5c58',
    500: '#6a181d',
    950: '#000000',
  },
}

SCSS

$custom: #6a181d;
$custom-light: #9b5c58;
$custom-dark: #000000;

JSON

{
  "hex": "#6a181d",
  "rgb": {
    "r": 106,
    "g": 24,
    "b": 29
  },
  "hsl": {
    "h": 356.341,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35043,
    "c": 0.11486,
    "h": 22.3
  },
  "luminance": 0.03806
}

Semantic roles & 50–950 ramp

primary

#6A181D

secondary

#3EA09A

accent

#E6DC42

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #6A181D

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

Preview Lab → · Contrast checker → · Palette generator →