#A11D18#A11D18

#A11D18 is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.0% C 0.168 H 28.3°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#A11D18
RGB	rgb(161, 29, 24)
HSL	hsl(2, 74%, 36%)
HSV	hsv(2, 85%, 63%)
CMYK	cmyk(0%, 82%, 85.1%, 36.9%)
CIE-LAB	lab(35.05, 51.96, 38.00)
CIE-LCH	lch(35.05, 64.38, 36.18°)
OKLab	oklab(46.02% 0.1479 0.0797)
OKLCH	oklch(46.02% 0.168 28.3)
XYZ	xyz(15.3041, 8.5243, 1.7035)
Luminance	0.0852 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11D18 #189CA1

analogous

#A11858 #A11D18 #A16218

triadic

#A11D18 #18A11D #1D18A1

tetradic

#A11D18 #58A118 #189CA1 #6218A1

square

#A11D18 #58A118 #189CA1 #6218A1

split-complementary

#A11D18 #18A162 #1858A1

monochromatic

#360A08 #6C1310 #A11D18 #D62720 #E5544F

Accessibility & contrast

On white

7.77

#A11D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#A11D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11D18

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11D18	#FFFFFF	#000000	##FFFFFF
##A11D18	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484015

Deuteranopia (green-blind)

#685D10

Tritanopia (blue-blind)

#B2001E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11d18;
/* rgb */ color: rgb(161, 29, 24);
/* oklch */ color: oklch(46.0% 0.168 28.3);

Tailwind

colors: {
  custom: {
    50: '#c76757',
    500: '#a11d18',
    950: '#000000',
  },
}

SCSS

$custom: #a11d18;
$custom-light: #c76757;
$custom-dark: #000000;

JSON

{
  "hex": "#a11d18",
  "rgb": {
    "r": 161,
    "g": 29,
    "b": 24
  },
  "hsl": {
    "h": 2.19,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46016,
    "c": 0.16803,
    "h": 28.3
  },
  "luminance": 0.08522
}

Semantic roles & 50–950 ramp

primary

#A11D18

secondary

#4EC2C7

accent

#EAF137

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A11D18

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

Preview Lab → · Contrast checker → · Palette generator →