#6A181F#6A181F

#6A181F is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.115 H 21.0°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#6A181F
RGB	rgb(106, 24, 31)
HSL	hsl(355, 63%, 25%)
HSV	hsv(355, 77%, 42%)
CMYK	cmyk(0%, 77.4%, 70.8%, 58.4%)
CIE-LAB	lab(23.06, 36.31, 17.46)
CIE-LCH	lch(23.06, 40.29, 25.68°)
OKLab	oklab(35.08% 0.1071 0.0411)
OKLCH	oklch(35.08% 0.115 21)
XYZ	xyz(6.5185, 3.8173, 1.6896)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6A181F #186A63

analogous

#6A1848 #6A181F #6A3A18

triadic

#6A181F #1F6A18 #181F6A

tetradic

#6A181F #486A18 #186A63 #3A186A

square

#6A181F #486A18 #186A63 #3A186A

split-complementary

#6A181F #186A3A #18486A

monochromatic

#190607 #380D10 #6A181F #9C232E #CE2F3C

Accessibility & contrast

On white

11.91

#6A181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6A181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6A181F

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6A181F	#FFFFFF	#000000	##FFFFFF
##6A181F	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2C1F

Deuteranopia (green-blind)

#443D1D

Tritanopia (blue-blind)

#75001B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6a181f;
/* rgb */ color: rgb(106, 24, 31);
/* oklch */ color: oklch(35.1% 0.115 21.0);

Tailwind

colors: {
  custom: {
    50: '#9b5c5a',
    500: '#6a181f',
    950: '#000000',
  },
}

SCSS

$custom: #6a181f;
$custom-light: #9b5c5a;
$custom-dark: #000000;

JSON

{
  "hex": "#6a181f",
  "rgb": {
    "r": 106,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 354.878,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3508,
    "c": 0.11469,
    "h": 21
  },
  "luminance": 0.03816
}

Semantic roles & 50–950 ramp

primary

#6A181F

secondary

#3EA098

accent

#E6D842

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #6A181F

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

Preview Lab → · Contrast checker → · Palette generator →