#781B2C#781B2C

#781B2C is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.3% C 0.127 H 15.5°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#781B2C
RGB	rgb(120, 27, 44)
HSL	hsl(349, 63%, 29%)
HSV	hsv(349, 78%, 47%)
CMYK	cmyk(0%, 77.5%, 63.3%, 52.9%)
CIE-LAB	lab(26.62, 40.70, 13.84)
CIE-LCH	lch(26.62, 42.99, 18.78°)
OKLab	oklab(38.34% 0.122 0.0338)
OKLCH	oklch(38.34% 0.127 15.5)
XYZ	xyz(8.5932, 4.9600, 2.8873)
Luminance	0.0496 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781B2C #1B7867

analogous

#781B5B #781B2C #78391B

triadic

#781B2C #2C781B #1B2C78

tetradic

#781B2C #5B781B #1B7867 #391B78

square

#781B2C #5B781B #1B7867 #391B78

split-complementary

#781B2C #1B7839 #1B5B78

monochromatic

#190609 #46101A #781B2C #AA263E #D33B56

Accessibility & contrast

On white

10.54

#781B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#781B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781B2C

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781B2C	#FFFFFF	#000000	##FFFFFF
##781B2C	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)

#35332C

Deuteranopia (green-blind)

#4C4629

Tritanopia (blue-blind)

#840022

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #781b2c;
/* rgb */ color: rgb(120, 27, 44);
/* oklch */ color: oklch(38.3% 0.127 15.5);

Tailwind

colors: {
  custom: {
    50: '#a56064',
    500: '#781b2c',
    950: '#000000',
  },
}

SCSS

$custom: #781b2c;
$custom-light: #a56064;
$custom-dark: #000000;

JSON

{
  "hex": "#781b2c",
  "rgb": {
    "r": 120,
    "g": 27,
    "b": 44
  },
  "hsl": {
    "h": 349.032,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38335,
    "c": 0.12657,
    "h": 15.5
  },
  "luminance": 0.04959
}

Semantic roles & 50–950 ramp

primary

#781B2C

secondary

#43AC99

accent

#E6C841

background

#FAF5F6

surface

#F4EAEB

border

#CEC6C6

text

#100505

muted

#7F797A

Preview Lab

Preview with #781B2C

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

Preview Lab → · Contrast checker → · Palette generator →