#4D1B0B#4D1B0B

#4D1B0B is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.6% C 0.080 H 37.8°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#4D1B0B
RGB	rgb(77, 27, 11)
HSL	hsl(15, 75%, 17%)
HSV	hsv(15, 86%, 30%)
CMYK	cmyk(0%, 64.9%, 85.7%, 69.8%)
CIE-LAB	lab(17.40, 22.61, 21.52)
CIE-LCH	lch(17.40, 31.22, 43.60°)
OKLab	oklab(29.64% 0.0633 0.0491)
OKLCH	oklch(29.64% 0.08 37.8)
XYZ	xyz(3.5133, 2.3863, 0.5921)
Luminance	0.0239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D1B0B #0B3D4D

analogous

#4D0B1C #4D1B0B #4D3C0B

triadic

#4D1B0B #0B4D1B #1B0B4D

tetradic

#4D1B0B #1C4D0B #0B3D4D #3C0B4D

square

#4D1B0B #1C4D0B #0B3D4D #3C0B4D

split-complementary

#4D1B0B #0B4D3C #0B1C4D

monochromatic

#1B0904 #1B0904 #4D1B0B #832E13 #B8411A

Accessibility & contrast

On white

14.22

#4D1B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#4D1B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D1B0B

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D1B0B	#FFFFFF	#000000	##FFFFFF
##4D1B0B	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292409

Deuteranopia (green-blind)

#352F09

Tritanopia (blue-blind)

#550F18

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #4d1b0b;
/* rgb */ color: rgb(77, 27, 11);
/* oklch */ color: oklch(29.6% 0.080 37.8);

Tailwind

colors: {
  custom: {
    50: '#84594c',
    500: '#4d1b0b',
    950: '#000000',
  },
}

SCSS

$custom: #4d1b0b;
$custom-light: #84594c;
$custom-dark: #000000;

JSON

{
  "hex": "#4d1b0b",
  "rgb": {
    "r": 77,
    "g": 27,
    "b": 11
  },
  "hsl": {
    "h": 14.545,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.29644,
    "c": 0.08015,
    "h": 37.8
  },
  "luminance": 0.02386
}

Semantic roles & 50–950 ramp

primary

#4D1B0B

secondary

#2B7289

accent

#C4F236

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #4D1B0B

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

Preview Lab → · Contrast checker → · Palette generator →