#4D1818#4D1818

#4D1818 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.4% C 0.080 H 23.4°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#4D1818
RGB	rgb(77, 24, 24)
HSL	hsl(0, 52%, 20%)
HSV	hsv(0, 69%, 30%)
CMYK	cmyk(0%, 68.8%, 68.8%, 69.8%)
CIE-LAB	lab(16.98, 25.03, 13.36)
CIE-LCH	lch(16.98, 28.37, 28.08°)
OKLab	oklab(29.39% 0.0738 0.032)
OKLCH	oklch(29.39% 0.08 23.4)
XYZ	xyz(3.5524, 2.2975, 1.1204)
Luminance	0.0230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D1818 #184D4D

analogous

#4D1833 #4D1818 #4D3318

triadic

#4D1818 #184D18 #18184D

tetradic

#4D1818 #334D18 #184D4D #33184D

square

#4D1818 #334D18 #184D4D #33184D

split-complementary

#4D1818 #184D33 #18334D

monochromatic

#170707 #1E0909 #4D1818 #7C2727 #AA3535

Accessibility & contrast

On white

14.39

#4D1818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#4D1818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D1818

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D1818	#FFFFFF	#000000	##FFFFFF
##4D1818	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262318

Deuteranopia (green-blind)

#332E17

Tritanopia (blue-blind)

#550D19

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4d1818;
/* rgb */ color: rgb(77, 24, 24);
/* oklch */ color: oklch(29.4% 0.080 23.4);

Tailwind

colors: {
  custom: {
    50: '#835854',
    500: '#4d1818',
    950: '#000000',
  },
}

SCSS

$custom: #4d1818;
$custom-light: #835854;
$custom-dark: #000000;

JSON

{
  "hex": "#4d1818",
  "rgb": {
    "r": 77,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 0,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29391,
    "c": 0.08045,
    "h": 23.4
  },
  "luminance": 0.02297
}

Semantic roles & 50–950 ramp

primary

#4D1818

secondary

#3D8484

accent

#DCDC4C

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0B0302

muted

#7C7878

Preview Lab

Preview with #4D1818

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

Preview Lab → · Contrast checker → · Palette generator →