#781F1F#781F1F

#781F1F is a dark, vivid red. Relative luminance 0.051; OKLCH L 38.5% C 0.123 H 25.1°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#781F1F
RGB	rgb(120, 31, 31)
HSL	hsl(0, 59%, 30%)
HSV	hsv(0, 74%, 47%)
CMYK	cmyk(0%, 74.2%, 74.2%, 52.9%)
CIE-LAB	lab(26.94, 38.36, 22.82)
CIE-LCH	lch(26.94, 44.63, 30.75°)
OKLab	oklab(38.5% 0.1116 0.0523)
OKLCH	oklch(38.5% 0.123 25.1)
XYZ	xyz(8.4840, 5.0732, 1.8286)
Luminance	0.0507 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781F1F #1F7878

analogous

#781F4C #781F1F #784C1F

triadic

#781F1F #1F781F #1F1F78

tetradic

#781F1F #4C781F #1F7878 #4C1F78

square

#781F1F #4C781F #1F7878 #4C1F78

split-complementary

#781F1F #1F784C #1F4C78

monochromatic

#180606 #471212 #781F1F #A92C2C #CE4343

Accessibility & contrast

On white

10.42

#781F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#781F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781F1F

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781F1F	#FFFFFF	#000000	##FFFFFF
##781F1F	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38331E

Deuteranopia (green-blind)

#4F471C

Tritanopia (blue-blind)

#840020

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #781f1f;
/* rgb */ color: rgb(120, 31, 31);
/* oklch */ color: oklch(38.5% 0.123 25.1);

Tailwind

colors: {
  custom: {
    50: '#a6625a',
    500: '#781f1f',
    950: '#000000',
  },
}

SCSS

$custom: #781f1f;
$custom-light: #a6625a;
$custom-dark: #000000;

JSON

{
  "hex": "#781f1f",
  "rgb": {
    "r": 120,
    "g": 31,
    "b": 31
  },
  "hsl": {
    "h": 0,
    "s": 58.94,
    "l": 29.608
  },
  "oklch": {
    "l": 0.38499,
    "c": 0.12325,
    "h": 25.1
  },
  "luminance": 0.05072
}

Semantic roles & 50–950 ramp

primary

#781F1F

secondary

#47ABAB

accent

#E2E246

background

#FBF6F5

surface

#F5EBE9

border

#CFC6C5

text

#110504

muted

#807A79

Preview Lab

Preview with #781F1F

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

Preview Lab → · Contrast checker → · Palette generator →