#4D180A#4D180A

#4D180A is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.2% C 0.084 H 35.6°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#4D180A
RGB	rgb(77, 24, 10)
HSL	hsl(13, 77%, 17%)
HSV	hsv(13, 87%, 30%)
CMYK	cmyk(0%, 68.8%, 87%, 69.8%)
CIE-LAB	lab(16.77, 24.20, 21.17)
CIE-LCH	lch(16.77, 32.15, 41.18°)
OKLab	oklab(29.16% 0.068 0.0487)
OKLCH	oklch(29.16% 0.084 35.6)
XYZ	xyz(3.4424, 2.2535, 0.5408)
Luminance	0.0225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D180A #0A3F4D

analogous

#4D0A1E #4D180A #4D3A0A

triadic

#4D180A #0A4D18 #180A4D

tetradic

#4D180A #1E4D0A #0A3F4D #3A0A4D

square

#4D180A #1E4D0A #0A3F4D #3A0A4D

split-complementary

#4D180A #0A4D3A #0A1E4D

monochromatic

#1B0804 #1B0804 #4D180A #832911 #B93A18

Accessibility & contrast

On white

14.48

#4D180A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#4D180A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D180A

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D180A	#FFFFFF	#000000	##FFFFFF
##4D180A	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272208

Deuteranopia (green-blind)

#342E08

Tritanopia (blue-blind)

#550A15

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4d180a;
/* rgb */ color: rgb(77, 24, 10);
/* oklch */ color: oklch(29.2% 0.084 35.6);

Tailwind

colors: {
  custom: {
    50: '#84574b',
    500: '#4d180a',
    950: '#000000',
  },
}

SCSS

$custom: #4d180a;
$custom-light: #84574b;
$custom-dark: #000000;

JSON

{
  "hex": "#4d180a",
  "rgb": {
    "r": 77,
    "g": 24,
    "b": 10
  },
  "hsl": {
    "h": 12.537,
    "s": 77.011,
    "l": 17.059
  },
  "oklch": {
    "l": 0.29164,
    "c": 0.08367,
    "h": 35.6
  },
  "luminance": 0.02253
}

Semantic roles & 50–950 ramp

primary

#4D180A

secondary

#29758A

accent

#CCF434

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4D180A

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

Preview Lab → · Contrast checker → · Palette generator →