#4B190B#4B190B

#4B190B is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.0% C 0.080 H 36.3°. Best body text is #FFFFFF at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#4B190B
RGB	rgb(75, 25, 11)
HSL	hsl(13, 74%, 17%)
HSV	hsv(13, 85%, 29%)
CMYK	cmyk(0%, 66.7%, 85.3%, 70.6%)
CIE-LAB	lab(16.58, 22.85, 20.44)
CIE-LCH	lch(16.58, 30.65, 41.81°)
OKLab	oklab(28.95% 0.0643 0.0472)
OKLCH	oklch(28.95% 0.08 36.3)
XYZ	xyz(3.3100, 2.2157, 0.5699)
Luminance	0.0221 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B190B #0B3D4B

analogous

#4B0B1D #4B190B #4B390B

triadic

#4B190B #0B4B19 #190B4B

tetradic

#4B190B #1D4B0B #0B3D4B #390B4B

square

#4B190B #1D4B0B #0B3D4B #390B4B

split-complementary

#4B190B #0B4B39 #0B1D4B

monochromatic

#1B0904 #1B0904 #4B190B #802B13 #B63D1B

Accessibility & contrast

On white

14.55

#4B190B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4B190B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B190B

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B190B	#FFFFFF	#000000	##FFFFFF
##4B190B	1.00	14.55	1.44	14.55
#FFFFFF	14.55	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272209

Deuteranopia (green-blind)

#332D09

Tritanopia (blue-blind)

#530D16

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4b190b;
/* rgb */ color: rgb(75, 25, 11);
/* oklch */ color: oklch(29.0% 0.080 36.3);

Tailwind

colors: {
  custom: {
    50: '#82584b',
    500: '#4b190b',
    950: '#000000',
  },
}

SCSS

$custom: #4b190b;
$custom-light: #82584b;
$custom-dark: #000000;

JSON

{
  "hex": "#4b190b",
  "rgb": {
    "r": 75,
    "g": 25,
    "b": 11
  },
  "hsl": {
    "h": 13.125,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.28952,
    "c": 0.07977,
    "h": 36.3
  },
  "luminance": 0.02215
}

Semantic roles & 50–950 ramp

primary

#4B190B

secondary

#2B7387

accent

#C8F137

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0B0301

muted

#7C7877

Preview Lab

Preview with #4B190B

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

Preview Lab → · Contrast checker → · Palette generator →