#4D181A#4D181A

#4D181A is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.4% C 0.080 H 21.3°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#4D181A
RGB	rgb(77, 24, 26)
HSL	hsl(358, 52%, 20%)
HSV	hsv(358, 69%, 30%)
CMYK	cmyk(0%, 68.8%, 66.2%, 69.8%)
CIE-LAB	lab(17.02, 25.19, 12.00)
CIE-LCH	lch(17.02, 27.91, 25.48°)
OKLab	oklab(29.44% 0.0747 0.0291)
OKLCH	oklch(29.44% 0.08 21.3)
XYZ	xyz(3.5740, 2.3061, 1.2340)
Luminance	0.0231 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D181A #184D4B

analogous

#4D1835 #4D181A #4D3118

triadic

#4D181A #1A4D18 #181A4D

tetradic

#4D181A #354D18 #184D4B #31184D

square

#4D181A #354D18 #184D4B #31184D

split-complementary

#4D181A #184D31 #18354D

monochromatic

#170708 #1E090A #4D181A #7C272A #AA353A

Accessibility & contrast

On white

14.37

#4D181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#4D181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D181A

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D181A	#FFFFFF	#000000	##FFFFFF
##4D181A	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25231A

Deuteranopia (green-blind)

#332E19

Tritanopia (blue-blind)

#550E19

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4d181a;
/* rgb */ color: rgb(77, 24, 26);
/* oklch */ color: oklch(29.4% 0.080 21.3);

Tailwind

colors: {
  custom: {
    50: '#835856',
    500: '#4d181a',
    950: '#000000',
  },
}

SCSS

$custom: #4d181a;
$custom-light: #835856;
$custom-dark: #000000;

JSON

{
  "hex": "#4d181a",
  "rgb": {
    "r": 77,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 357.736,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29435,
    "c": 0.08022,
    "h": 21.3
  },
  "luminance": 0.02306
}

Semantic roles & 50–950 ramp

primary

#4D181A

secondary

#3D8481

accent

#DCD64C

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D181A

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

Preview Lab → · Contrast checker → · Palette generator →