#781D1B#781D1B

#781D1B is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.2% C 0.126 H 26.5°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#781D1B
RGB	rgb(120, 29, 27)
HSL	hsl(1, 63%, 29%)
HSV	hsv(1, 78%, 47%)
CMYK	cmyk(0%, 75.8%, 77.5%, 52.9%)
CIE-LAB	lab(26.60, 38.96, 24.96)
CIE-LCH	lch(26.60, 46.27, 32.65°)
OKLab	oklab(38.22% 0.1126 0.056)
OKLCH	oklch(38.22% 0.126 26.5)
XYZ	xyz(8.3839, 4.9522, 1.5511)
Luminance	0.0495 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781D1B #1B7678

analogous

#781B48 #781D1B #784C1B

triadic

#781D1B #1B781D #1D1B78

tetradic

#781D1B #48781B #1B7678 #4C1B78

square

#781D1B #48781B #1B7678 #4C1B78

split-complementary

#781D1B #1B784C #1B4878

monochromatic

#190606 #461110 #781D1B #AA2926 #D33E3B

Accessibility & contrast

On white

10.55

#781D1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#781D1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781D1B

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781D1B	#FFFFFF	#000000	##FFFFFF
##781D1B	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38321A

Deuteranopia (green-blind)

#4E4618

Tritanopia (blue-blind)

#85001E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #781d1b;
/* rgb */ color: rgb(120, 29, 27);
/* oklch */ color: oklch(38.2% 0.126 26.5);

Tailwind

colors: {
  custom: {
    50: '#a66057',
    500: '#781d1b',
    950: '#000000',
  },
}

SCSS

$custom: #781d1b;
$custom-light: #a66057;
$custom-dark: #000000;

JSON

{
  "hex": "#781d1b",
  "rgb": {
    "r": 120,
    "g": 29,
    "b": 27
  },
  "hsl": {
    "h": 1.29,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38224,
    "c": 0.12577,
    "h": 26.5
  },
  "luminance": 0.04951
}

Semantic roles & 50–950 ramp

primary

#781D1B

secondary

#43AAAC

accent

#E3E641

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #781D1B

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

Preview Lab → · Contrast checker → · Palette generator →