#4D130B#4D130B

#4D130B is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.5% C 0.089 H 30.9°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#4D130B
RGB	rgb(77, 19, 11)
HSL	hsl(7, 75%, 17%)
HSV	hsv(7, 86%, 30%)
CMYK	cmyk(0%, 75.3%, 85.7%, 69.8%)
CIE-LAB	lab(15.84, 26.76, 19.60)
CIE-LCH	lch(15.84, 33.17, 36.23°)
OKLab	oklab(28.47% 0.0762 0.0457)
OKLCH	oklch(28.47% 0.089 30.9)
XYZ	xyz(3.3542, 2.0682, 0.5391)
Luminance	0.0207 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D130B #0B454D

analogous

#4D0B24 #4D130B #4D340B

triadic

#4D130B #0B4D13 #130B4D

tetradic

#4D130B #244D0B #0B454D #340B4D

square

#4D130B #244D0B #0B454D #340B4D

split-complementary

#4D130B #0B4D34 #0B244D

monochromatic

#1B0704 #1B0704 #4D130B #832013 #B82D1A

Accessibility & contrast

On white

14.86

#4D130B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4D130B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D130B

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D130B	#FFFFFF	#000000	##FFFFFF
##4D130B	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#241F0A

Deuteranopia (green-blind)

#322C09

Tritanopia (blue-blind)

#560212

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4d130b;
/* rgb */ color: rgb(77, 19, 11);
/* oklch */ color: oklch(28.5% 0.089 30.9);

Tailwind

colors: {
  custom: {
    50: '#85554b',
    500: '#4d130b',
    950: '#000000',
  },
}

SCSS

$custom: #4d130b;
$custom-light: #85554b;
$custom-dark: #000000;

JSON

{
  "hex": "#4d130b",
  "rgb": {
    "r": 77,
    "g": 19,
    "b": 11
  },
  "hsl": {
    "h": 7.273,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.28472,
    "c": 0.08883,
    "h": 30.9
  },
  "luminance": 0.02068
}

Semantic roles & 50–950 ramp

primary

#4D130B

secondary

#2B7E89

accent

#DBF236

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4D130B

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

Preview Lab → · Contrast checker → · Palette generator →