#781B31#781B31

#781B31 is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.5% C 0.127 H 12.1°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#781B31
RGB	rgb(120, 27, 49)
HSL	hsl(346, 63%, 29%)
HSV	hsv(346, 78%, 47%)
CMYK	cmyk(0%, 77.5%, 59.2%, 52.9%)
CIE-LAB	lab(26.73, 41.07, 10.62)
CIE-LCH	lch(26.73, 42.43, 14.50°)
OKLab	oklab(38.46% 0.1241 0.0265)
OKLCH	oklch(38.46% 0.127 12.1)
XYZ	xyz(8.6929, 4.9999, 3.4125)
Luminance	0.0500 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781B31 #1B7862

analogous

#781B60 #781B31 #78341B

triadic

#781B31 #31781B #1B3178

tetradic

#781B31 #60781B #1B7862 #341B78

square

#781B31 #60781B #1B7862 #341B78

split-complementary

#781B31 #1B7834 #1B6078

monochromatic

#19060A #46101D #781B31 #AA2645 #D33B5F

Accessibility & contrast

On white

10.50

#781B31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#781B31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781B31

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781B31	#FFFFFF	#000000	##FFFFFF
##781B31	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)

#343331

Deuteranopia (green-blind)

#4C462F

Tritanopia (blue-blind)

#840024

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #781b31;
/* rgb */ color: rgb(120, 27, 49);
/* oklch */ color: oklch(38.5% 0.127 12.1);

Tailwind

colors: {
  custom: {
    50: '#a56068',
    500: '#781b31',
    950: '#000000',
  },
}

SCSS

$custom: #781b31;
$custom-light: #a56068;
$custom-dark: #000000;

JSON

{
  "hex": "#781b31",
  "rgb": {
    "r": 120,
    "g": 27,
    "b": 49
  },
  "hsl": {
    "h": 345.806,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38457,
    "c": 0.12691,
    "h": 12.1
  },
  "luminance": 0.04999
}

Semantic roles & 50–950 ramp

primary

#781B31

secondary

#43AC93

accent

#E6BF41

background

#FAF5F6

surface

#F4EAEB

border

#CEC6C6

text

#100506

muted

#7F797A

Preview Lab

Preview with #781B31

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

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