#4D181E#4D181E

#4D181E is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.080 H 16.8°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#4D181E
RGB	rgb(77, 24, 30)
HSL	hsl(353, 52%, 20%)
HSV	hsv(353, 69%, 30%)
CMYK	cmyk(0%, 68.8%, 61%, 69.8%)
CIE-LAB	lab(17.11, 25.54, 9.29)
CIE-LCH	lch(17.11, 27.18, 19.98°)
OKLab	oklab(29.53% 0.0766 0.0231)
OKLCH	oklch(29.53% 0.08 16.8)
XYZ	xyz(3.6219, 2.3253, 1.4861)
Luminance	0.0232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D181E #184D47

analogous

#4D1838 #4D181E #4D2D18

triadic

#4D181E #1E4D18 #181E4D

tetradic

#4D181E #384D18 #184D47 #2D184D

square

#4D181E #384D18 #184D47 #2D184D

split-complementary

#4D181E #184D2D #18384D

monochromatic

#170709 #1E090C #4D181E #7C2730 #AA3542

Accessibility & contrast

On white

14.33

#4D181E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#4D181E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D181E

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D181E	#FFFFFF	#000000	##FFFFFF
##4D181E	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25231E

Deuteranopia (green-blind)

#322E1D

Tritanopia (blue-blind)

#550F1A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4d181e;
/* rgb */ color: rgb(77, 24, 30);
/* oklch */ color: oklch(29.5% 0.080 16.8);

Tailwind

colors: {
  custom: {
    50: '#835859',
    500: '#4d181e',
    950: '#000000',
  },
}

SCSS

$custom: #4d181e;
$custom-light: #835859;
$custom-dark: #000000;

JSON

{
  "hex": "#4d181e",
  "rgb": {
    "r": 77,
    "g": 24,
    "b": 30
  },
  "hsl": {
    "h": 353.208,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29533,
    "c": 0.08001,
    "h": 16.8
  },
  "luminance": 0.02325
}

Semantic roles & 50–950 ramp

primary

#4D181E

secondary

#3D847C

accent

#DCCC4C

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D181E

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

Preview Lab → · Contrast checker → · Palette generator →