#781A2B#781A2B

#781A2B is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.2% C 0.128 H 15.8°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#781A2B
RGB	rgb(120, 26, 43)
HSL	hsl(349, 64%, 29%)
HSV	hsv(349, 78%, 47%)
CMYK	cmyk(0%, 78.3%, 64.2%, 52.9%)
CIE-LAB	lab(26.47, 40.99, 14.32)
CIE-LCH	lch(26.47, 43.42, 19.25°)
OKLab	oklab(38.22% 0.1227 0.0348)
OKLCH	oklch(38.22% 0.128 15.8)
XYZ	xyz(8.5521, 4.9075, 2.7820)
Luminance	0.0491 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781A2B #1A7867

analogous

#781A5A #781A2B #78381A

triadic

#781A2B #2B781A #1A2B78

tetradic

#781A2B #5A781A #1A7867 #381A78

square

#781A2B #5A781A #1A7867 #381A78

split-complementary

#781A2B #1A7838 #1A5A78

monochromatic

#190509 #460F19 #781A2B #AA253D #D43855

Accessibility & contrast

On white

10.60

#781A2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#781A2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781A2B

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781A2B	#FFFFFF	#000000	##FFFFFF
##781A2B	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34322B

Deuteranopia (green-blind)

#4C4628

Tritanopia (blue-blind)

#840021

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #781a2b;
/* rgb */ color: rgb(120, 26, 43);
/* oklch */ color: oklch(38.2% 0.128 15.8);

Tailwind

colors: {
  custom: {
    50: '#a56064',
    500: '#781a2b',
    950: '#000000',
  },
}

SCSS

$custom: #781a2b;
$custom-light: #a56064;
$custom-dark: #000000;

JSON

{
  "hex": "#781a2b",
  "rgb": {
    "r": 120,
    "g": 26,
    "b": 43
  },
  "hsl": {
    "h": 349.149,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38216,
    "c": 0.12754,
    "h": 15.8
  },
  "luminance": 0.04906
}

Semantic roles & 50–950 ramp

primary

#781A2B

secondary

#41AC99

accent

#E7C940

background

#FAF5F5

surface

#F4EAEA

border

#CEC6C6

text

#100505

muted

#7F7979

Preview Lab

Preview with #781A2B

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

Preview Lab → · Contrast checker → · Palette generator →