#781818#781818

#781818 is a dark, vivid red. Relative luminance 0.047; OKLCH L 37.7% C 0.131 H 26.2°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#781818
RGB	rgb(120, 24, 24)
HSL	hsl(0, 67%, 28%)
HSV	hsv(0, 80%, 47%)
CMYK	cmyk(0%, 80%, 80%, 52.9%)
CIE-LAB	lab(25.90, 40.66, 26.07)
CIE-LCH	lch(25.90, 48.30, 32.67°)
OKLab	oklab(37.69% 0.1173 0.0576)
OKLCH	oklch(37.69% 0.131 26.2)
XYZ	xyz(8.2382, 4.7136, 1.3400)
Luminance	0.0471 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781818 #187878

analogous

#781848 #781818 #784818

triadic

#781818 #187818 #181878

tetradic

#781818 #487818 #187878 #481878

square

#781818 #487818 #187878 #481878

split-complementary

#781818 #187848 #184878

monochromatic

#1A0505 #450E0E #781818 #AB2222 #D63434

Accessibility & contrast

On white

10.81

#781818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#781818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781818

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781818	#FFFFFF	#000000	##FFFFFF
##781818	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363017

Deuteranopia (green-blind)

#4D4514

Tritanopia (blue-blind)

#850019

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #781818;
/* rgb */ color: rgb(120, 24, 24);
/* oklch */ color: oklch(37.7% 0.131 26.2);

Tailwind

colors: {
  custom: {
    50: '#a75e55',
    500: '#781818',
    950: '#000000',
  },
}

SCSS

$custom: #781818;
$custom-light: #a75e55;
$custom-dark: #000000;

JSON

{
  "hex": "#781818",
  "rgb": {
    "r": 120,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 0,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37694,
    "c": 0.13065,
    "h": 26.2
  },
  "luminance": 0.04712
}

Semantic roles & 50–950 ramp

primary

#781818

secondary

#3FADAD

accent

#EAEA3E

background

#FBF5F4

surface

#F6EAE8

border

#D0C6C4

text

#110503

muted

#807978

Preview Lab

Preview with #781818

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

Preview Lab → · Contrast checker → · Palette generator →