#781B2F#781B2F

#781B2F is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.4% C 0.127 H 13.5°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#781B2F
RGB	rgb(120, 27, 47)
HSL	hsl(347, 63%, 29%)
HSV	hsv(347, 78%, 47%)
CMYK	cmyk(0%, 77.5%, 60.8%, 52.9%)
CIE-LAB	lab(26.69, 40.92, 11.91)
CIE-LCH	lch(26.69, 42.62, 16.23°)
OKLab	oklab(38.41% 0.1233 0.0295)
OKLCH	oklch(38.41% 0.127 13.5)
XYZ	xyz(8.6516, 4.9834, 3.1951)
Luminance	0.0498 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781B2F #1B7864

analogous

#781B5E #781B2F #78361B

triadic

#781B2F #2F781B #1B2F78

tetradic

#781B2F #5E781B #1B7864 #361B78

square

#781B2F #5E781B #1B7864 #361B78

split-complementary

#781B2F #1B7836 #1B5E78

monochromatic

#19060A #46101B #781B2F #AA2643 #D33B5B

Accessibility & contrast

On white

10.52

#781B2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#781B2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781B2F

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781B2F	#FFFFFF	#000000	##FFFFFF
##781B2F	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34332F

Deuteranopia (green-blind)

#4C462D

Tritanopia (blue-blind)

#840023

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #781b2f;
/* rgb */ color: rgb(120, 27, 47);
/* oklch */ color: oklch(38.4% 0.127 13.5);

Tailwind

colors: {
  custom: {
    50: '#a56067',
    500: '#781b2f',
    950: '#000000',
  },
}

SCSS

$custom: #781b2f;
$custom-light: #a56067;
$custom-dark: #000000;

JSON

{
  "hex": "#781b2f",
  "rgb": {
    "r": 120,
    "g": 27,
    "b": 47
  },
  "hsl": {
    "h": 347.097,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38406,
    "c": 0.12673,
    "h": 13.5
  },
  "luminance": 0.04982
}

Semantic roles & 50–950 ramp

primary

#781B2F

secondary

#43AC96

accent

#E6C341

background

#FAF5F6

surface

#F4EAEB

border

#CEC6C6

text

#100506

muted

#7F797A

Preview Lab

Preview with #781B2F

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

Preview Lab → · Contrast checker → · Palette generator →