#781B18#781B18

#781B18 is a dark, vivid red. Relative luminance 0.048; OKLCH L 38.0% C 0.128 H 27.2°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#781B18
RGB	rgb(120, 27, 24)
HSL	hsl(2, 67%, 28%)
HSV	hsv(2, 80%, 47%)
CMYK	cmyk(0%, 77.5%, 80%, 52.9%)
CIE-LAB	lab(26.29, 39.59, 26.48)
CIE-LCH	lch(26.29, 47.63, 33.78°)
OKLab	oklab(37.98% 0.1139 0.0585)
OKLCH	oklch(37.98% 0.128 27.2)
XYZ	xyz(8.3035, 4.8442, 1.3618)
Luminance	0.0484 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781B18 #187578

analogous

#781845 #781B18 #784B18

triadic

#781B18 #18781B #1B1878

tetradic

#781B18 #457818 #187578 #4B1878

square

#781B18 #457818 #187578 #4B1878

split-complementary

#781B18 #18784B #184578

monochromatic

#1A0605 #45100E #781B18 #AB2622 #D63934

Accessibility & contrast

On white

10.67

#781B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#781B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781B18

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781B18	#FFFFFF	#000000	##FFFFFF
##781B18	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373117

Deuteranopia (green-blind)

#4E4614

Tritanopia (blue-blind)

#85001B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #781b18;
/* rgb */ color: rgb(120, 27, 24);
/* oklch */ color: oklch(38.0% 0.128 27.2);

Tailwind

colors: {
  custom: {
    50: '#a76055',
    500: '#781b18',
    950: '#000000',
  },
}

SCSS

$custom: #781b18;
$custom-light: #a76055;
$custom-dark: #000000;

JSON

{
  "hex": "#781b18",
  "rgb": {
    "r": 120,
    "g": 27,
    "b": 24
  },
  "hsl": {
    "h": 1.875,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37979,
    "c": 0.12804,
    "h": 27.2
  },
  "luminance": 0.04843
}

Semantic roles & 50–950 ramp

primary

#781B18

secondary

#3FA9AD

accent

#E4EA3E

background

#FBF5F4

surface

#F6EAE8

border

#D0C6C4

text

#110503

muted

#807978

Preview Lab

Preview with #781B18

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

Preview Lab → · Contrast checker → · Palette generator →