#A11F18#A11F18

#A11F18 is a mid, vivid red. Relative luminance 0.086; OKLCH L 46.2% C 0.167 H 28.7°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#A11F18
RGB	rgb(161, 31, 24)
HSL	hsl(3, 74%, 36%)
HSV	hsv(3, 85%, 63%)
CMYK	cmyk(0%, 80.7%, 85.1%, 36.9%)
CIE-LAB	lab(35.25, 51.40, 38.18)
CIE-LCH	lch(35.25, 64.03, 36.61°)
OKLab	oklab(46.17% 0.1461 0.0802)
OKLCH	oklch(46.17% 0.167 28.7)
XYZ	xyz(15.3547, 8.6255, 1.7204)
Luminance	0.0862 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11F18 #189AA1

analogous

#A11856 #A11F18 #A16418

triadic

#A11F18 #18A11F #1F18A1

tetradic

#A11F18 #56A118 #189AA1 #6418A1

square

#A11F18 #56A118 #189AA1 #6418A1

split-complementary

#A11F18 #18A164 #1856A1

monochromatic

#360A08 #6C1510 #A11F18 #D62920 #E5564F

Accessibility & contrast

On white

7.71

#A11F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#A11F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11F18

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11F18	#FFFFFF	#000000	##FFFFFF
##A11F18	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494115

Deuteranopia (green-blind)

#695D10

Tritanopia (blue-blind)

#B2001F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11f18;
/* rgb */ color: rgb(161, 31, 24);
/* oklch */ color: oklch(46.2% 0.167 28.7);

Tailwind

colors: {
  custom: {
    50: '#c66857',
    500: '#a11f18',
    950: '#000000',
  },
}

SCSS

$custom: #a11f18;
$custom-light: #c66857;
$custom-dark: #000000;

JSON

{
  "hex": "#a11f18",
  "rgb": {
    "r": 161,
    "g": 31,
    "b": 24
  },
  "hsl": {
    "h": 3.066,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46165,
    "c": 0.16666,
    "h": 28.7
  },
  "luminance": 0.08623
}

Semantic roles & 50–950 ramp

primary

#A11F18

secondary

#4EC1C7

accent

#E7F137

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A11F18

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

Preview Lab → · Contrast checker → · Palette generator →