#4B161F#4B161F

#4B161F is a dark, moderate red. Relative luminance 0.022; OKLCH L 28.9% C 0.080 H 13.6°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#4B161F
RGB	rgb(75, 22, 31)
HSL	hsl(350, 55%, 19%)
HSV	hsv(350, 71%, 29%)
CMYK	cmyk(0%, 70.7%, 58.7%, 70.6%)
CIE-LAB	lab(16.35, 25.89, 7.47)
CIE-LCH	lch(16.35, 26.95, 16.10°)
OKLab	oklab(28.9% 0.0781 0.0188)
OKLCH	oklch(28.9% 0.08 13.6)
XYZ	xyz(3.4362, 2.1690, 1.5338)
Luminance	0.0217 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B161F #164B42

analogous

#4B163A #4B161F #4B2816

triadic

#4B161F #1F4B16 #161F4B

tetradic

#4B161F #3A4B16 #164B42 #28164B

square

#4B161F #3A4B16 #164B42 #28164B

split-complementary

#4B161F #164B28 #163A4B

monochromatic

#18070A #1C080B #4B161F #7A2433 #AA3246

Accessibility & contrast

On white

14.65

#4B161F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#4B161F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B161F

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B161F	#FFFFFF	#000000	##FFFFFF
##4B161F	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22221F

Deuteranopia (green-blind)

#302D1E

Tritanopia (blue-blind)

#520D1A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4b161f;
/* rgb */ color: rgb(75, 22, 31);
/* oklch */ color: oklch(28.9% 0.080 13.6);

Tailwind

colors: {
  custom: {
    50: '#81575a',
    500: '#4b161f',
    950: '#000000',
  },
}

SCSS

$custom: #4b161f;
$custom-light: #81575a;
$custom-dark: #000000;

JSON

{
  "hex": "#4b161f",
  "rgb": {
    "r": 75,
    "g": 22,
    "b": 31
  },
  "hsl": {
    "h": 349.811,
    "s": 54.639,
    "l": 19.02
  },
  "oklch": {
    "l": 0.28898,
    "c": 0.08034,
    "h": 13.6
  },
  "luminance": 0.02169
}

Semantic roles & 50–950 ramp

primary

#4B161F

secondary

#3A8376

accent

#DEC54A

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B161F

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

Preview Lab → · Contrast checker → · Palette generator →