#4B111B#4B111B

#4B111B is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.1% C 0.087 H 14.9°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#4B111B
RGB	rgb(75, 17, 27)
HSL	hsl(350, 63%, 18%)
HSV	hsv(350, 77%, 29%)
CMYK	cmyk(0%, 77.3%, 64%, 70.6%)
CIE-LAB	lab(15.36, 27.94, 9.02)
CIE-LCH	lch(15.36, 29.36, 17.90°)
OKLab	oklab(28.13% 0.0839 0.0223)
OKLCH	oklch(28.13% 0.087 14.9)
XYZ	xyz(3.3002, 1.9763, 1.2444)
Luminance	0.0198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B111B #114B41

analogous

#4B1138 #4B111B #4B2411

triadic

#4B111B #1B4B11 #111B4B

tetradic

#4B111B #384B11 #114B41 #24114B

square

#4B111B #384B11 #114B41 #24114B

split-complementary

#4B111B #114B24 #11384B

monochromatic

#190609 #190609 #4B111B #7D1C2D #AF283F

Accessibility & contrast

On white

15.05

#4B111B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4B111B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B111B

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B111B	#FFFFFF	#000000	##FFFFFF
##4B111B	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201F1B

Deuteranopia (green-blind)

#2F2B1A

Tritanopia (blue-blind)

#530415

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4b111b;
/* rgb */ color: rgb(75, 17, 27);
/* oklch */ color: oklch(28.1% 0.087 14.9);

Tailwind

colors: {
  custom: {
    50: '#825457',
    500: '#4b111b',
    950: '#000000',
  },
}

SCSS

$custom: #4b111b;
$custom-light: #825457;
$custom-dark: #000000;

JSON

{
  "hex": "#4b111b",
  "rgb": {
    "r": 75,
    "g": 17,
    "b": 27
  },
  "hsl": {
    "h": 349.655,
    "s": 63.043,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28128,
    "c": 0.08686,
    "h": 14.9
  },
  "luminance": 0.01976
}

Semantic roles & 50–950 ramp

primary

#4B111B

secondary

#338476

accent

#E6CA42

background

#F8F5F5

surface

#EFE8E9

border

#CAC4C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B111B

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

Preview Lab → · Contrast checker → · Palette generator →