#4B151E#4B151E

#4B151E is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.7% C 0.082 H 14.0°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#4B151E
RGB	rgb(75, 21, 30)
HSL	hsl(350, 56%, 19%)
HSV	hsv(350, 72%, 29%)
CMYK	cmyk(0%, 72%, 60%, 70.6%)
CIE-LAB	lab(16.14, 26.30, 7.90)
CIE-LCH	lch(16.14, 27.46, 16.73°)
OKLab	oklab(28.73% 0.0792 0.0198)
OKLCH	oklch(28.73% 0.082 14)
XYZ	xyz(3.4045, 2.1264, 1.4592)
Luminance	0.0213 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B151E #154B42

analogous

#4B1539 #4B151E #4B2715

triadic

#4B151E #1E4B15 #151E4B

tetradic

#4B151E #394B15 #154B42 #27154B

square

#4B151E #394B15 #154B42 #27154B

split-complementary

#4B151E #154B27 #15394B

monochromatic

#18070A #1B080B #4B151E #7B2231 #AB3044

Accessibility & contrast

On white

14.73

#4B151E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#4B151E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B151E

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B151E	#FFFFFF	#000000	##FFFFFF
##4B151E	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22211E

Deuteranopia (green-blind)

#302C1D

Tritanopia (blue-blind)

#530B19

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4b151e;
/* rgb */ color: rgb(75, 21, 30);
/* oklch */ color: oklch(28.7% 0.082 14.0);

Tailwind

colors: {
  custom: {
    50: '#815659',
    500: '#4b151e',
    950: '#000000',
  },
}

SCSS

$custom: #4b151e;
$custom-light: #815659;
$custom-dark: #000000;

JSON

{
  "hex": "#4b151e",
  "rgb": {
    "r": 75,
    "g": 21,
    "b": 30
  },
  "hsl": {
    "h": 350,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.2873,
    "c": 0.08168,
    "h": 14
  },
  "luminance": 0.02126
}

Semantic roles & 50–950 ramp

primary

#4B151E

secondary

#398377

accent

#E0C648

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B151E

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

Preview Lab → · Contrast checker → · Palette generator →