#4B191D#4B191D

#4B191D is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.3% C 0.076 H 18.3°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#4B191D
RGB	rgb(75, 25, 29)
HSL	hsl(355, 50%, 20%)
HSV	hsv(355, 67%, 29%)
CMYK	cmyk(0%, 66.7%, 61.3%, 70.6%)
CIE-LAB	lab(16.89, 24.10, 9.64)
CIE-LCH	lch(16.89, 25.96, 21.80°)
OKLab	oklab(29.29% 0.0721 0.0239)
OKLCH	oklch(29.29% 0.076 18.3)
XYZ	xyz(3.4713, 2.2803, 1.4195)
Luminance	0.0228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B191D #194B47

analogous

#4B1936 #4B191D #4B2E19

triadic

#4B191D #1D4B19 #191D4B

tetradic

#4B191D #364B19 #194B47 #2E194B

square

#4B191D #364B19 #194B47 #2E194B

split-complementary

#4B191D #194B2E #19364B

monochromatic

#170809 #1D0A0B #4B191D #79282F #A73840

Accessibility & contrast

On white

14.42

#4B191D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#4B191D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B191D

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B191D	#FFFFFF	#000000	##FFFFFF
##4B191D	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25231D

Deuteranopia (green-blind)

#322E1C

Tritanopia (blue-blind)

#52101B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4b191d;
/* rgb */ color: rgb(75, 25, 29);
/* oklch */ color: oklch(29.3% 0.076 18.3);

Tailwind

colors: {
  custom: {
    50: '#815858',
    500: '#4b191d',
    950: '#000000',
  },
}

SCSS

$custom: #4b191d;
$custom-light: #815858;
$custom-dark: #000000;

JSON

{
  "hex": "#4b191d",
  "rgb": {
    "r": 75,
    "g": 25,
    "b": 29
  },
  "hsl": {
    "h": 355.2,
    "s": 50,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29289,
    "c": 0.07599,
    "h": 18.3
  },
  "luminance": 0.0228
}

Semantic roles & 50–950 ramp

primary

#4B191D

secondary

#3E817C

accent

#DACE4E

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B191D

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

Preview Lab → · Contrast checker → · Palette generator →