#781E1B#781E1B

#781E1B is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.3% C 0.125 H 26.8°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#781E1B
RGB	rgb(120, 30, 27)
HSL	hsl(2, 63%, 29%)
HSV	hsv(2, 78%, 47%)
CMYK	cmyk(0%, 75%, 77.5%, 52.9%)
CIE-LAB	lab(26.74, 38.57, 25.12)
CIE-LCH	lch(26.74, 46.03, 33.08°)
OKLab	oklab(38.33% 0.1114 0.0564)
OKLCH	oklch(38.33% 0.125 26.8)
XYZ	xyz(8.4088, 5.0020, 1.5594)
Luminance	0.0500 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781E1B #1B7578

analogous

#781B47 #781E1B #784D1B

triadic

#781E1B #1B781E #1E1B78

tetradic

#781E1B #47781B #1B7578 #4D1B78

square

#781E1B #47781B #1B7578 #4D1B78

split-complementary

#781E1B #1B784D #1B4778

monochromatic

#190606 #461210 #781E1B #AA2A26 #D3403B

Accessibility & contrast

On white

10.50

#781E1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#781E1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781E1B

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781E1B	#FFFFFF	#000000	##FFFFFF
##781E1B	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38331A

Deuteranopia (green-blind)

#4F4618

Tritanopia (blue-blind)

#85001E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #781e1b;
/* rgb */ color: rgb(120, 30, 27);
/* oklch */ color: oklch(38.3% 0.125 26.8);

Tailwind

colors: {
  custom: {
    50: '#a66157',
    500: '#781e1b',
    950: '#000000',
  },
}

SCSS

$custom: #781e1b;
$custom-light: #a66157;
$custom-dark: #000000;

JSON

{
  "hex": "#781e1b",
  "rgb": {
    "r": 120,
    "g": 30,
    "b": 27
  },
  "hsl": {
    "h": 1.935,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3833,
    "c": 0.1248,
    "h": 26.8
  },
  "luminance": 0.05001
}

Semantic roles & 50–950 ramp

primary

#781E1B

secondary

#43A9AC

accent

#E1E641

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#110503

muted

#807A78

Preview Lab

Preview with #781E1B

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

Preview Lab → · Contrast checker → · Palette generator →