#4B151A#4B151A

#4B151A is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.6% C 0.082 H 18.6°. Best body text is #FFFFFF at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#4B151A
RGB	rgb(75, 21, 26)
HSL	hsl(354, 56%, 19%)
HSV	hsv(354, 72%, 29%)
CMYK	cmyk(0%, 72%, 65.3%, 70.6%)
CIE-LAB	lab(16.04, 25.94, 10.65)
CIE-LCH	lch(16.04, 28.04, 22.31°)
OKLab	oklab(28.63% 0.0774 0.026)
OKLCH	oklch(28.63% 0.082 18.6)
XYZ	xyz(3.3566, 2.1072, 1.2071)
Luminance	0.0211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B151A #154B46

analogous

#4B1535 #4B151A #4B2B15

triadic

#4B151A #1A4B15 #151A4B

tetradic

#4B151A #354B15 #154B46 #2B154B

square

#4B151A #354B15 #154B46 #2B154B

split-complementary

#4B151A #154B2B #15354B

monochromatic

#180708 #1B0809 #4B151A #7B222B #AB303B

Accessibility & contrast

On white

14.77

#4B151A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#4B151A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B151A

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B151A	#FFFFFF	#000000	##FFFFFF
##4B151A	1.00	14.77	1.42	14.77
#FFFFFF	14.77	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23211A

Deuteranopia (green-blind)

#302C19

Tritanopia (blue-blind)

#530A17

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4b151a;
/* rgb */ color: rgb(75, 21, 26);
/* oklch */ color: oklch(28.6% 0.082 18.6);

Tailwind

colors: {
  custom: {
    50: '#825656',
    500: '#4b151a',
    950: '#000000',
  },
}

SCSS

$custom: #4b151a;
$custom-light: #825656;
$custom-dark: #000000;

JSON

{
  "hex": "#4b151a",
  "rgb": {
    "r": 75,
    "g": 21,
    "b": 26
  },
  "hsl": {
    "h": 354.444,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.28626,
    "c": 0.08163,
    "h": 18.6
  },
  "luminance": 0.02107
}

Semantic roles & 50–950 ramp

primary

#4B151A

secondary

#39837C

accent

#E0D248

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B151A

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

Preview Lab → · Contrast checker → · Palette generator →