#4B0910#4B0910

#4B0910 is a dark, moderate red. Relative luminance 0.017; OKLCH L 27.0% C 0.096 H 21.5°. Best body text is #FFFFFF at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#4B0910
RGB	rgb(75, 9, 16)
HSL	hsl(354, 79%, 16%)
HSV	hsv(354, 88%, 29%)
CMYK	cmyk(0%, 88%, 78.7%, 70.6%)
CIE-LAB	lab(14.00, 30.34, 14.68)
CIE-LCH	lch(14.00, 33.70, 25.81°)
OKLab	oklab(27.04% 0.089 0.035)
OKLCH	oklch(27.04% 0.096 21.5)
XYZ	xyz(3.0932, 1.7291, 0.6610)
Luminance	0.0173 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B0910 #094B44

analogous

#4B0931 #4B0910 #4B2309

triadic

#4B0910 #104B09 #09104B

tetradic

#4B0910 #314B09 #094B44 #23094B

square

#4B0910 #314B09 #094B44 #23094B

split-complementary

#4B0910 #094B23 #09314B

monochromatic

#1B0306 #1B0306 #4B0910 #82101C #B81627

Accessibility & contrast

On white

15.60

#4B0910 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#4B0910 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B0910

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B0910	#FFFFFF	#000000	##FFFFFF
##4B0910	1.00	15.60	1.35	15.60
#FFFFFF	15.60	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1B10

Deuteranopia (green-blind)

#2E290E

Tritanopia (blue-blind)

#53000C

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #4b0910;
/* rgb */ color: rgb(75, 9, 16);
/* oklch */ color: oklch(27.0% 0.096 21.5);

Tailwind

colors: {
  custom: {
    50: '#83504e',
    500: '#4b0910',
    950: '#000000',
  },
}

SCSS

$custom: #4b0910;
$custom-light: #83504e;
$custom-dark: #000000;

JSON

{
  "hex": "#4b0910",
  "rgb": {
    "r": 75,
    "g": 9,
    "b": 16
  },
  "hsl": {
    "h": 353.636,
    "s": 78.571,
    "l": 16.471
  },
  "oklch": {
    "l": 0.27039,
    "c": 0.09568,
    "h": 21.5
  },
  "luminance": 0.01729
}

Semantic roles & 50–950 ramp

primary

#4B0910

secondary

#28887E

accent

#F5E033

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0C0201

muted

#7D7877

Preview Lab

Preview with #4B0910

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

Preview Lab → · Contrast checker → · Palette generator →