#A11C22#A11C22

#A11C22 is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.0% C 0.168 H 25.1°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#A11C22
RGB	rgb(161, 28, 34)
HSL	hsl(357, 70%, 37%)
HSV	hsv(357, 83%, 63%)
CMYK	cmyk(0%, 82.6%, 78.9%, 36.9%)
CIE-LAB	lab(35.05, 52.54, 32.36)
CIE-LCH	lch(35.05, 61.71, 31.63°)
OKLab	oklab(46.05% 0.1518 0.071)
OKLCH	oklch(46.05% 0.168 25.1)
XYZ	xyz(15.4038, 8.5256, 2.3476)
Luminance	0.0852 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11C22 #1CA19B

analogous

#A11C65 #A11C22 #A1581C

triadic

#A11C22 #22A11C #1C22A1

tetradic

#A11C22 #65A11C #1CA19B #581CA1

square

#A11C22 #65A11C #1CA19B #581CA1

split-complementary

#A11C22 #1CA158 #1C65A1

monochromatic

#390A0C #6D1317 #A11C22 #D5252D #E2565C

Accessibility & contrast

On white

7.76

#A11C22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#A11C22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11C22

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11C22	#FFFFFF	#000000	##FFFFFF
##A11C22	1.00	7.76	2.70	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474021

Deuteranopia (green-blind)

#685D1C

Tritanopia (blue-blind)

#B20020

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11c22;
/* rgb */ color: rgb(161, 28, 34);
/* oklch */ color: oklch(46.0% 0.168 25.1);

Tailwind

colors: {
  custom: {
    50: '#c6675d',
    500: '#a11c22',
    950: '#000000',
  },
}

SCSS

$custom: #a11c22;
$custom-light: #c6675d;
$custom-dark: #000000;

JSON

{
  "hex": "#a11c22",
  "rgb": {
    "r": 161,
    "g": 28,
    "b": 34
  },
  "hsl": {
    "h": 357.293,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.46049,
    "c": 0.16757,
    "h": 25.1
  },
  "luminance": 0.08523
}

Semantic roles & 50–950 ramp

primary

#A11C22

secondary

#54C5C0

accent

#EDE53B

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A11C22

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

Preview Lab → · Contrast checker → · Palette generator →