#4A181C#4A181C

#4A181C is a dark, moderate red. Relative luminance 0.022; OKLCH L 28.9% C 0.076 H 18.5°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#4A181C
RGB	rgb(74, 24, 28)
HSL	hsl(355, 51%, 19%)
HSV	hsv(355, 68%, 29%)
CMYK	cmyk(0%, 67.6%, 62.2%, 71%)
CIE-LAB	lab(16.47, 24.15, 9.75)
CIE-LCH	lch(16.47, 26.04, 22.00°)
OKLab	oklab(28.93% 0.0722 0.0241)
OKLCH	oklch(28.93% 0.076 18.5)
XYZ	xyz(3.3606, 2.1934, 1.3448)
Luminance	0.0219 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A181C #184A46

analogous

#4A1835 #4A181C #4A2D18

triadic

#4A181C #1C4A18 #181C4A

tetradic

#4A181C #354A18 #184A46 #2D184A

square

#4A181C #354A18 #184A46 #2D184A

split-complementary

#4A181C #184A2D #18354A

monochromatic

#170709 #1C090B #4A181C #78272D #A6363F

Accessibility & contrast

On white

14.60

#4A181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4A181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A181C

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A181C	#FFFFFF	#000000	##FFFFFF
##4A181C	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24221C

Deuteranopia (green-blind)

#312D1B

Tritanopia (blue-blind)

#510F1A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4a181c;
/* rgb */ color: rgb(74, 24, 28);
/* oklch */ color: oklch(28.9% 0.076 18.5);

Tailwind

colors: {
  custom: {
    50: '#805757',
    500: '#4a181c',
    950: '#000000',
  },
}

SCSS

$custom: #4a181c;
$custom-light: #805757;
$custom-dark: #000000;

JSON

{
  "hex": "#4a181c",
  "rgb": {
    "r": 74,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 355.2,
    "s": 51.02,
    "l": 19.216
  },
  "oklch": {
    "l": 0.28926,
    "c": 0.07612,
    "h": 18.5
  },
  "luminance": 0.02193
}

Semantic roles & 50–950 ramp

primary

#4A181C

secondary

#3D817B

accent

#DACF4D

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4A181C

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

Preview Lab → · Contrast checker → · Palette generator →