#6A181B#6A181B

#6A181B is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.115 H 23.6°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#6A181B
RGB	rgb(106, 24, 27)
HSL	hsl(358, 63%, 25%)
HSV	hsv(358, 77%, 42%)
CMYK	cmyk(0%, 77.4%, 74.5%, 58.4%)
CIE-LAB	lab(22.99, 36.08, 20.05)
CIE-LCH	lch(22.99, 41.28, 29.06°)
OKLab	oklab(35.01% 0.1054 0.0461)
OKLCH	oklch(35.01% 0.115 23.6)
XYZ	xyz(6.4690, 3.7976, 1.4291)
Luminance	0.0380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6A181B #186A67

analogous

#6A1844 #6A181B #6A3E18

triadic

#6A181B #1B6A18 #181B6A

tetradic

#6A181B #446A18 #186A67 #3E186A

square

#6A181B #446A18 #186A67 #3E186A

split-complementary

#6A181B #186A3E #18446A

monochromatic

#190606 #380D0E #6A181B #9C2328 #CE2F34

Accessibility & contrast

On white

11.94

#6A181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6A181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6A181B

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6A181B	#FFFFFF	#000000	##FFFFFF
##6A181B	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1A

Deuteranopia (green-blind)

#443D18

Tritanopia (blue-blind)

#75001A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6a181b;
/* rgb */ color: rgb(106, 24, 27);
/* oklch */ color: oklch(35.0% 0.115 23.6);

Tailwind

colors: {
  custom: {
    50: '#9b5c57',
    500: '#6a181b',
    950: '#000000',
  },
}

SCSS

$custom: #6a181b;
$custom-light: #9b5c57;
$custom-dark: #000000;

JSON

{
  "hex": "#6a181b",
  "rgb": {
    "r": 106,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 357.805,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35008,
    "c": 0.11506,
    "h": 23.6
  },
  "luminance": 0.03797
}

Semantic roles & 50–950 ramp

primary

#6A181B

secondary

#3EA09C

accent

#E6E042

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #6A181B

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

Preview Lab → · Contrast checker → · Palette generator →