#4B0917#4B0917

#4B0917 is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.2% C 0.096 H 15.2°. Best body text is #FFFFFF at 15.55:1 contrast (WCAG AA passes).

Color values

HEX	#4B0917
RGB	rgb(75, 9, 23)
HSL	hsl(347, 79%, 16%)
HSV	hsv(347, 88%, 29%)
CMYK	cmyk(0%, 88%, 69.3%, 70.6%)
CIE-LAB	lab(14.14, 30.78, 10.32)
CIE-LCH	lch(14.14, 32.46, 18.53°)
OKLab	oklab(27.19% 0.0922 0.025)
OKLCH	oklch(27.19% 0.096 15.2)
XYZ	xyz(3.1543, 1.7536, 0.9828)
Luminance	0.0175 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B0917 #094B3D

analogous

#4B0938 #4B0917 #4B1C09

triadic

#4B0917 #174B09 #09174B

tetradic

#4B0917 #384B09 #094B3D #1C094B

square

#4B0917 #384B09 #094B3D #1C094B

split-complementary

#4B0917 #094B1C #09384B

monochromatic

#1B0308 #1B0308 #4B0917 #821028 #B81639

Accessibility & contrast

On white

15.55

#4B0917 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#4B0917 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B0917

15.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B0917	#FFFFFF	#000000	##FFFFFF
##4B0917	1.00	15.55	1.35	15.55
#FFFFFF	15.55	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1B17

Deuteranopia (green-blind)

#2D2915

Tritanopia (blue-blind)

#53000F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #4b0917;
/* rgb */ color: rgb(75, 9, 23);
/* oklch */ color: oklch(27.2% 0.096 15.2);

Tailwind

colors: {
  custom: {
    50: '#835053',
    500: '#4b0917',
    950: '#000000',
  },
}

SCSS

$custom: #4b0917;
$custom-light: #835053;
$custom-dark: #000000;

JSON

{
  "hex": "#4b0917",
  "rgb": {
    "r": 75,
    "g": 9,
    "b": 23
  },
  "hsl": {
    "h": 347.273,
    "s": 78.571,
    "l": 16.471
  },
  "oklch": {
    "l": 0.27189,
    "c": 0.09554,
    "h": 15.2
  },
  "luminance": 0.01753
}

Semantic roles & 50–950 ramp

primary

#4B0917

secondary

#288874

accent

#F5CC33

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0202

muted

#7C7878

Preview Lab

Preview with #4B0917

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

Preview Lab → · Contrast checker → · Palette generator →