#781B1A#781B1A

#781B1A is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.0% C 0.128 H 26.2°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#781B1A
RGB	rgb(120, 27, 26)
HSL	hsl(1, 64%, 29%)
HSV	hsv(1, 78%, 47%)
CMYK	cmyk(0%, 77.5%, 78.3%, 52.9%)
CIE-LAB	lab(26.31, 39.68, 25.27)
CIE-LCH	lch(26.31, 47.04, 32.49°)
OKLab	oklab(38.01% 0.1146 0.0564)
OKLCH	oklch(38.01% 0.128 26.2)
XYZ	xyz(8.3251, 4.8528, 1.4754)
Luminance	0.0485 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781B1A #1A7778

analogous

#781A48 #781B1A #784A1A

triadic

#781B1A #1A781B #1B1A78

tetradic

#781B1A #48781A #1A7778 #4A1A78

square

#781B1A #48781A #1A7778 #4A1A78

split-complementary

#781B1A #1A784A #1A4878

monochromatic

#190605 #46100F #781B1A #AA2625 #D43A38

Accessibility & contrast

On white

10.66

#781B1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#781B1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781B1A

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781B1A	#FFFFFF	#000000	##FFFFFF
##781B1A	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373119

Deuteranopia (green-blind)

#4E4616

Tritanopia (blue-blind)

#85001C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #781b1a;
/* rgb */ color: rgb(120, 27, 26);
/* oklch */ color: oklch(38.0% 0.128 26.2);

Tailwind

colors: {
  custom: {
    50: '#a66057',
    500: '#781b1a',
    950: '#000000',
  },
}

SCSS

$custom: #781b1a;
$custom-light: #a66057;
$custom-dark: #000000;

JSON

{
  "hex": "#781b1a",
  "rgb": {
    "r": 120,
    "g": 27,
    "b": 26
  },
  "hsl": {
    "h": 0.638,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38006,
    "c": 0.12775,
    "h": 26.2
  },
  "luminance": 0.04852
}

Semantic roles & 50–950 ramp

primary

#781B1A

secondary

#41ABAC

accent

#E6E740

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #781B1A

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

Preview Lab → · Contrast checker → · Palette generator →