#781A1B#781A1B

#781A1B is a dark, vivid red. Relative luminance 0.048; OKLCH L 37.9% C 0.129 H 25.4°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#781A1B
RGB	rgb(120, 26, 27)
HSL	hsl(359, 64%, 29%)
HSV	hsv(359, 78%, 47%)
CMYK	cmyk(0%, 78.3%, 77.5%, 52.9%)
CIE-LAB	lab(26.19, 40.08, 24.51)
CIE-LCH	lch(26.19, 46.98, 31.44°)
OKLab	oklab(37.92% 0.1162 0.055)
OKLCH	oklch(37.92% 0.129 25.4)
XYZ	xyz(8.3139, 4.8123, 1.5278)
Luminance	0.0481 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781A1B #1A7877

analogous

#781A4A #781A1B #78481A

triadic

#781A1B #1B781A #1A1B78

tetradic

#781A1B #4A781A #1A7877 #481A78

square

#781A1B #4A781A #1A7877 #481A78

split-complementary

#781A1B #1A7848 #1A4A78

monochromatic

#190506 #460F10 #781A1B #AA2526 #D4383A

Accessibility & contrast

On white

10.70

#781A1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#781A1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781A1B

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781A1B	#FFFFFF	#000000	##FFFFFF
##781A1B	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311A

Deuteranopia (green-blind)

#4E4517

Tritanopia (blue-blind)

#85001C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #781a1b;
/* rgb */ color: rgb(120, 26, 27);
/* oklch */ color: oklch(37.9% 0.129 25.4);

Tailwind

colors: {
  custom: {
    50: '#a65f57',
    500: '#781a1b',
    950: '#000000',
  },
}

SCSS

$custom: #781a1b;
$custom-light: #a65f57;
$custom-dark: #000000;

JSON

{
  "hex": "#781a1b",
  "rgb": {
    "r": 120,
    "g": 26,
    "b": 27
  },
  "hsl": {
    "h": 359.362,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37922,
    "c": 0.12853,
    "h": 25.4
  },
  "luminance": 0.04811
}

Semantic roles & 50–950 ramp

primary

#781A1B

secondary

#41ACAB

accent

#E7E640

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #781A1B

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

Preview Lab → · Contrast checker → · Palette generator →