#781F18#781F18

#781F18 is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.4% C 0.124 H 28.8°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#781F18
RGB	rgb(120, 31, 24)
HSL	hsl(4, 67%, 28%)
HSV	hsv(4, 80%, 47%)
CMYK	cmyk(0%, 74.2%, 80%, 52.9%)
CIE-LAB	lab(26.85, 38.03, 27.08)
CIE-LCH	lch(26.85, 46.69, 35.46°)
OKLab	oklab(38.4% 0.109 0.0598)
OKLCH	oklch(38.4% 0.124 28.8)
XYZ	xyz(8.4016, 5.0403, 1.3945)
Luminance	0.0504 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781F18 #187178

analogous

#781841 #781F18 #784F18

triadic

#781F18 #18781F #1F1878

tetradic

#781F18 #417818 #187178 #4F1878

square

#781F18 #417818 #187178 #4F1878

split-complementary

#781F18 #18784F #184178

monochromatic

#1A0705 #45120E #781F18 #AB2C22 #D64034

Accessibility & contrast

On white

10.46

#781F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#781F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781F18

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781F18	#FFFFFF	#000000	##FFFFFF
##781F18	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393316

Deuteranopia (green-blind)

#4F4714

Tritanopia (blue-blind)

#85001E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #781f18;
/* rgb */ color: rgb(120, 31, 24);
/* oklch */ color: oklch(38.4% 0.124 28.8);

Tailwind

colors: {
  custom: {
    50: '#a66155',
    500: '#781f18',
    950: '#000000',
  },
}

SCSS

$custom: #781f18;
$custom-light: #a66155;
$custom-dark: #000000;

JSON

{
  "hex": "#781f18",
  "rgb": {
    "r": 120,
    "g": 31,
    "b": 24
  },
  "hsl": {
    "h": 4.375,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38399,
    "c": 0.12433,
    "h": 28.8
  },
  "luminance": 0.05039
}

Semantic roles & 50–950 ramp

primary

#781F18

secondary

#3FA5AD

accent

#DDEA3E

background

#FBF6F5

surface

#F6EBE8

border

#D0C6C4

text

#110503

muted

#807A78

Preview Lab

Preview with #781F18

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

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