#781B2A#781B2A

#781B2A is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.3% C 0.127 H 16.8°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#781B2A
RGB	rgb(120, 27, 42)
HSL	hsl(350, 63%, 29%)
HSV	hsv(350, 78%, 47%)
CMYK	cmyk(0%, 77.5%, 65%, 52.9%)
CIE-LAB	lab(26.58, 40.56, 15.13)
CIE-LCH	lch(26.58, 43.29, 20.46°)
OKLab	oklab(38.29% 0.1211 0.0366)
OKLCH	oklch(38.29% 0.127 16.8)
XYZ	xyz(8.5565, 4.9454, 2.6940)
Luminance	0.0494 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781B2A #1B7869

analogous

#781B59 #781B2A #783B1B

triadic

#781B2A #2A781B #1B2A78

tetradic

#781B2A #59781B #1B7869 #3B1B78

square

#781B2A #59781B #1B7869 #3B1B78

split-complementary

#781B2A #1B783B #1B5978

monochromatic

#190609 #461019 #781B2A #AA263B #D33B53

Accessibility & contrast

On white

10.56

#781B2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#781B2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781B2A

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781B2A	#FFFFFF	#000000	##FFFFFF
##781B2A	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35322A

Deuteranopia (green-blind)

#4C4627

Tritanopia (blue-blind)

#840021

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #781b2a;
/* rgb */ color: rgb(120, 27, 42);
/* oklch */ color: oklch(38.3% 0.127 16.8);

Tailwind

colors: {
  custom: {
    50: '#a56063',
    500: '#781b2a',
    950: '#000000',
  },
}

SCSS

$custom: #781b2a;
$custom-light: #a56063;
$custom-dark: #000000;

JSON

{
  "hex": "#781b2a",
  "rgb": {
    "r": 120,
    "g": 27,
    "b": 42
  },
  "hsl": {
    "h": 350.323,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3829,
    "c": 0.12653,
    "h": 16.8
  },
  "luminance": 0.04944
}

Semantic roles & 50–950 ramp

primary

#781B2A

secondary

#43AC9B

accent

#E6CC41

background

#FAF5F5

surface

#F4EAEA

border

#CEC6C6

text

#100505

muted

#7F7979

Preview Lab

Preview with #781B2A

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

Preview Lab → · Contrast checker → · Palette generator →