#781B23#781B23

#781B23 is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.1% C 0.127 H 21.2°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#781B23
RGB	rgb(120, 27, 35)
HSL	hsl(355, 63%, 29%)
HSV	hsv(355, 78%, 47%)
CMYK	cmyk(0%, 77.5%, 70.8%, 52.9%)
CIE-LAB	lab(26.45, 40.13, 19.63)
CIE-LCH	lch(26.45, 44.67, 26.06°)
OKLab	oklab(38.15% 0.1182 0.0459)
OKLCH	oklch(38.15% 0.127 21.2)
XYZ	xyz(8.4420, 4.8996, 2.0910)
Luminance	0.0490 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781B23 #1B7870

analogous

#781B52 #781B23 #78421B

triadic

#781B23 #23781B #1B2378

tetradic

#781B23 #52781B #1B7870 #421B78

square

#781B23 #52781B #1B7870 #421B78

split-complementary

#781B23 #1B7842 #1B5278

monochromatic

#190607 #461014 #781B23 #AA2632 #D33B48

Accessibility & contrast

On white

10.61

#781B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#781B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781B23

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781B23	#FFFFFF	#000000	##FFFFFF
##781B23	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363223

Deuteranopia (green-blind)

#4D4620

Tritanopia (blue-blind)

#84001F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #781b23;
/* rgb */ color: rgb(120, 27, 35);
/* oklch */ color: oklch(38.1% 0.127 21.2);

Tailwind

colors: {
  custom: {
    50: '#a6605d',
    500: '#781b23',
    950: '#000000',
  },
}

SCSS

$custom: #781b23;
$custom-light: #a6605d;
$custom-dark: #000000;

JSON

{
  "hex": "#781b23",
  "rgb": {
    "r": 120,
    "g": 27,
    "b": 35
  },
  "hsl": {
    "h": 354.839,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3815,
    "c": 0.12677,
    "h": 21.2
  },
  "luminance": 0.04898
}

Semantic roles & 50–950 ramp

primary

#781B23

secondary

#43ACA3

accent

#E6D841

background

#FAF5F5

surface

#F5EAE9

border

#CFC6C5

text

#110504

muted

#807979

Preview Lab

Preview with #781B23

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

Preview Lab → · Contrast checker → · Palette generator →