#781728#781728

#781728 is a dark, vivid red. Relative luminance 0.048; OKLCH L 37.9% C 0.130 H 16.9°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#781728
RGB	rgb(120, 23, 40)
HSL	hsl(349, 68%, 28%)
HSV	hsv(349, 81%, 47%)
CMYK	cmyk(0%, 80.8%, 66.7%, 52.9%)
CIE-LAB	lab(26.04, 41.82, 15.78)
CIE-LCH	lch(26.04, 44.70, 20.67°)
OKLab	oklab(37.88% 0.1247 0.0379)
OKLCH	oklch(37.88% 0.13 16.9)
XYZ	xyz(8.4360, 4.7603, 2.4817)
Luminance	0.0476 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781728 #177867

analogous

#781758 #781728 #783717

triadic

#781728 #287817 #172878

tetradic

#781728 #587817 #177867 #371778

square

#781728 #587817 #177867 #371778

split-complementary

#781728 #177837 #175878

monochromatic

#1A0509 #450D17 #781728 #AB2139 #D8324F

Accessibility & contrast

On white

10.76

#781728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#781728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781728

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781728	#FFFFFF	#000000	##FFFFFF
##781728	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333128

Deuteranopia (green-blind)

#4C4525

Tritanopia (blue-blind)

#84001E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #781728;
/* rgb */ color: rgb(120, 23, 40);
/* oklch */ color: oklch(37.9% 0.130 16.9);

Tailwind

colors: {
  custom: {
    50: '#a55e61',
    500: '#781728',
    950: '#000000',
  },
}

SCSS

$custom: #781728;
$custom-light: #a55e61;
$custom-dark: #000000;

JSON

{
  "hex": "#781728",
  "rgb": {
    "r": 120,
    "g": 23,
    "b": 40
  },
  "hsl": {
    "h": 349.485,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37879,
    "c": 0.13037,
    "h": 16.9
  },
  "luminance": 0.04759
}

Semantic roles & 50–950 ramp

primary

#781728

secondary

#3EAD9A

accent

#EBCC3D

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#110505

muted

#807979

Preview Lab

Preview with #781728

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

Preview Lab → · Contrast checker → · Palette generator →