#A11819#A11819

#A11819 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.7% C 0.171 H 27.1°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#A11819
RGB	rgb(161, 24, 25)
HSL	hsl(360, 74%, 36%)
HSV	hsv(360, 85%, 63%)
CMYK	cmyk(0%, 85.1%, 84.5%, 36.9%)
CIE-LAB	lab(34.61, 53.28, 37.05)
CIE-LCH	lch(34.61, 64.90, 34.82°)
OKLab	oklab(45.69% 0.1522 0.078)
OKLCH	oklch(45.69% 0.171 27.1)
XYZ	xyz(15.2020, 8.3031, 1.7217)
Luminance	0.0830 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11819 #18A1A0

analogous

#A1185E #A11819 #A15C18

triadic

#A11819 #19A118 #1819A1

tetradic

#A11819 #5EA118 #18A1A0 #5C18A1

square

#A11819 #5EA118 #18A1A0 #5C18A1

split-complementary

#A11819 #18A15C #185EA1

monochromatic

#360808 #6C1011 #A11819 #D62021 #E54F50

Accessibility & contrast

On white

7.89

#A11819 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#A11819 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11819

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11819	#FFFFFF	#000000	##FFFFFF
##A11819	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F17

Deuteranopia (green-blind)

#675C11

Tritanopia (blue-blind)

#B2001B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a11819;
/* rgb */ color: rgb(161, 24, 25);
/* oklch */ color: oklch(45.7% 0.171 27.1);

Tailwind

colors: {
  custom: {
    50: '#c76557',
    500: '#a11819',
    950: '#000000',
  },
}

SCSS

$custom: #a11819;
$custom-light: #c76557;
$custom-dark: #000000;

JSON

{
  "hex": "#a11819",
  "rgb": {
    "r": 161,
    "g": 24,
    "b": 25
  },
  "hsl": {
    "h": 359.562,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45688,
    "c": 0.17105,
    "h": 27.1
  },
  "luminance": 0.08301
}

Semantic roles & 50–950 ramp

primary

#A11819

secondary

#4EC7C6

accent

#F1EF37

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150603

muted

#837A78

Preview Lab

Preview with #A11819

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

Preview Lab → · Contrast checker → · Palette generator →