#4E0303#4E0303

#4E0303 is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.9% C 0.106 H 28.3°. Best body text is #FFFFFF at 15.69:1 contrast (WCAG AA passes).

Color values

HEX	#4E0303
RGB	rgb(78, 3, 3)
HSL	hsl(0, 93%, 16%)
HSV	hsv(0, 96%, 31%)
CMYK	cmyk(0%, 96.2%, 96.2%, 69.4%)
CIE-LAB	lab(13.78, 32.94, 20.26)
CIE-LCH	lch(13.78, 38.67, 31.59°)
OKLab	oklab(26.95% 0.0933 0.0503)
OKLCH	oklch(26.95% 0.106 28.3)
XYZ	xyz(3.1913, 1.6919, 0.2447)
Luminance	0.0169 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E0303 #034E4E

analogous

#4E0328 #4E0303 #4E2803

triadic

#4E0303 #034E03 #03034E

tetradic

#4E0303 #284E03 #034E4E #28034E

square

#4E0303 #284E03 #034E4E #28034E

split-complementary

#4E0303 #034E28 #03284E

monochromatic

#1D0101 #1D0101 #4E0303 #890505 #C40808

Accessibility & contrast

On white

15.69

#4E0303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#4E0303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E0303

15.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E0303	#FFFFFF	#000000	##FFFFFF
##4E0303	1.00	15.69	1.34	15.69
#FFFFFF	15.69	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1902

Deuteranopia (green-blind)

#2F2900

Tritanopia (blue-blind)

#570004

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #4e0303;
/* rgb */ color: rgb(78, 3, 3);
/* oklch */ color: oklch(26.9% 0.106 28.3);

Tailwind

colors: {
  custom: {
    50: '#874e47',
    500: '#4e0303',
    950: '#000000',
  },
}

SCSS

$custom: #4e0303;
$custom-light: #874e47;
$custom-dark: #000000;

JSON

{
  "hex": "#4e0303",
  "rgb": {
    "r": 78,
    "g": 3,
    "b": 3
  },
  "hsl": {
    "h": 0,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.26948,
    "c": 0.10593,
    "h": 28.3
  },
  "luminance": 0.01691
}

Semantic roles & 50–950 ramp

primary

#4E0303

secondary

#1E8E8E

accent

#FFFF29

background

#F8F4F4

surface

#F0E7E6

border

#CBC3C2

text

#0D0200

muted

#7D7877

Preview Lab

Preview with #4E0303

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

Preview Lab → · Contrast checker → · Palette generator →