#4B191C#4B191C

#4B191C is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.3% C 0.076 H 19.5°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#4B191C
RGB	rgb(75, 25, 28)
HSL	hsl(356, 50%, 20%)
HSV	hsv(356, 67%, 29%)
CMYK	cmyk(0%, 66.7%, 62.7%, 70.6%)
CIE-LAB	lab(16.87, 24.01, 10.32)
CIE-LCH	lch(16.87, 26.14, 23.26°)
OKLab	oklab(29.26% 0.0717 0.0254)
OKLCH	oklch(29.26% 0.076 19.5)
XYZ	xyz(3.4592, 2.2754, 1.3554)
Luminance	0.0227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B191C #194B48

analogous

#4B1935 #4B191C #4B2F19

triadic

#4B191C #1C4B19 #191C4B

tetradic

#4B191C #354B19 #194B48 #2F194B

square

#4B191C #354B19 #194B48 #2F194B

split-complementary

#4B191C #194B2F #19354B

monochromatic

#170809 #1D0A0B #4B191C #79282D #A7383E

Accessibility & contrast

On white

14.43

#4B191C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#4B191C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B191C

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B191C	#FFFFFF	#000000	##FFFFFF
##4B191C	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25231C

Deuteranopia (green-blind)

#322E1B

Tritanopia (blue-blind)

#53101A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4b191c;
/* rgb */ color: rgb(75, 25, 28);
/* oklch */ color: oklch(29.3% 0.076 19.5);

Tailwind

colors: {
  custom: {
    50: '#815857',
    500: '#4b191c',
    950: '#000000',
  },
}

SCSS

$custom: #4b191c;
$custom-light: #815857;
$custom-dark: #000000;

JSON

{
  "hex": "#4b191c",
  "rgb": {
    "r": 75,
    "g": 25,
    "b": 28
  },
  "hsl": {
    "h": 356.4,
    "s": 50,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29264,
    "c": 0.07604,
    "h": 19.5
  },
  "luminance": 0.02275
}

Semantic roles & 50–950 ramp

primary

#4B191C

secondary

#3E817D

accent

#DAD14E

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B191C

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

Preview Lab → · Contrast checker → · Palette generator →