#4D100D#4D100D

#4D100D is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.1% C 0.092 H 27.5°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#4D100D
RGB	rgb(77, 16, 13)
HSL	hsl(3, 71%, 18%)
HSV	hsv(3, 83%, 30%)
CMYK	cmyk(0%, 79.2%, 83.1%, 69.8%)
CIE-LAB	lab(15.37, 28.21, 18.10)
CIE-LCH	lch(15.37, 33.51, 32.68°)
OKLab	oklab(28.13% 0.0812 0.0424)
OKLCH	oklch(28.13% 0.092 27.5)
XYZ	xyz(3.3189, 1.9779, 0.5877)
Luminance	0.0198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D100D #0D4A4D

analogous

#4D0D2A #4D100D #4D300D

triadic

#4D100D #0D4D10 #100D4D

tetradic

#4D100D #2A4D0D #0D4A4D #300D4D

square

#4D100D #2A4D0D #0D4A4D #300D4D

split-complementary

#4D100D #0D4D30 #0D2A4D

monochromatic

#1A0504 #1A0504 #4D100D #811B16 #B6261F

Accessibility & contrast

On white

15.05

#4D100D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4D100D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D100D

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D100D	#FFFFFF	#000000	##FFFFFF
##4D100D	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221E0C

Deuteranopia (green-blind)

#312B0B

Tritanopia (blue-blind)

#560010

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4d100d;
/* rgb */ color: rgb(77, 16, 13);
/* oklch */ color: oklch(28.1% 0.092 27.5);

Tailwind

colors: {
  custom: {
    50: '#85534c',
    500: '#4d100d',
    950: '#000000',
  },
}

SCSS

$custom: #4d100d;
$custom-light: #85534c;
$custom-dark: #000000;

JSON

{
  "hex": "#4d100d",
  "rgb": {
    "r": 77,
    "g": 16,
    "b": 13
  },
  "hsl": {
    "h": 2.813,
    "s": 71.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.28129,
    "c": 0.09159,
    "h": 27.5
  },
  "luminance": 0.01977
}

Semantic roles & 50–950 ramp

primary

#4D100D

secondary

#2E8488

accent

#E5EE3A

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4D100D

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

Preview Lab → · Contrast checker → · Palette generator →