#781D1D#781D1D

#781D1D is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.3% C 0.125 H 25.4°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#781D1D
RGB	rgb(120, 29, 29)
HSL	hsl(0, 61%, 29%)
HSV	hsv(0, 76%, 47%)
CMYK	cmyk(0%, 75.8%, 75.8%, 52.9%)
CIE-LAB	lab(26.63, 39.05, 23.73)
CIE-LCH	lch(26.63, 45.70, 31.28°)
OKLab	oklab(38.25% 0.1134 0.0538)
OKLCH	oklch(38.25% 0.125 25.4)
XYZ	xyz(8.4078, 4.9618, 1.6772)
Luminance	0.0496 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781D1D #1D7878

analogous

#781D4B #781D1D #784B1D

triadic

#781D1D #1D781D #1D1D78

tetradic

#781D1D #4B781D #1D7878 #4B1D78

square

#781D1D #4B781D #1D7878 #4B1D78

split-complementary

#781D1D #1D784B #1D4B78

monochromatic

#190606 #471111 #781D1D #A92929 #D13F3F

Accessibility & contrast

On white

10.54

#781D1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#781D1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781D1D

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781D1D	#FFFFFF	#000000	##FFFFFF
##781D1D	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38321C

Deuteranopia (green-blind)

#4E461A

Tritanopia (blue-blind)

#85001E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #781d1d;
/* rgb */ color: rgb(120, 29, 29);
/* oklch */ color: oklch(38.3% 0.125 25.4);

Tailwind

colors: {
  custom: {
    50: '#a66159',
    500: '#781d1d',
    950: '#000000',
  },
}

SCSS

$custom: #781d1d;
$custom-light: #a66159;
$custom-dark: #000000;

JSON

{
  "hex": "#781d1d",
  "rgb": {
    "r": 120,
    "g": 29,
    "b": 29
  },
  "hsl": {
    "h": 0,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.38253,
    "c": 0.12548,
    "h": 25.4
  },
  "luminance": 0.04961
}

Semantic roles & 50–950 ramp

primary

#781D1D

secondary

#45ACAC

accent

#E4E444

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #781D1D

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

Preview Lab → · Contrast checker → · Palette generator →