#A11D37#A11D37

#A11D37 is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.5% C 0.166 H 16.6°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#A11D37
RGB	rgb(161, 29, 55)
HSL	hsl(348, 69%, 37%)
HSV	hsv(348, 82%, 63%)
CMYK	cmyk(0%, 82%, 65.8%, 36.9%)
CIE-LAB	lab(35.47, 53.25, 19.76)
CIE-LCH	lch(35.47, 56.80, 20.36°)
OKLab	oklab(46.46% 0.1588 0.0473)
OKLCH	oklch(46.46% 0.166 16.6)
XYZ	xyz(15.8286, 8.7341, 4.4661)
Luminance	0.0873 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11D37 #1DA187

analogous

#A11D79 #A11D37 #A1451D

triadic

#A11D37 #37A11D #1D37A1

tetradic

#A11D37 #79A11D #1DA187 #451DA1

square

#A11D37 #79A11D #1DA187 #451DA1

split-complementary

#A11D37 #1DA145 #1D79A1

monochromatic

#390A14 #6D1425 #A11D37 #D52649 #E15873

Accessibility & contrast

On white

7.65

#A11D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#A11D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11D37

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11D37	#FFFFFF	#000000	##FFFFFF
##A11D37	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454237

Deuteranopia (green-blind)

#665D33

Tritanopia (blue-blind)

#B10029

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11d37;
/* rgb */ color: rgb(161, 29, 55);
/* oklch */ color: oklch(46.5% 0.166 16.6);

Tailwind

colors: {
  custom: {
    50: '#c4686d',
    500: '#a11d37',
    950: '#000000',
  },
}

SCSS

$custom: #a11d37;
$custom-light: #c4686d;
$custom-dark: #000000;

JSON

{
  "hex": "#a11d37",
  "rgb": {
    "r": 161,
    "g": 29,
    "b": 55
  },
  "hsl": {
    "h": 348.182,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46456,
    "c": 0.16571,
    "h": 16.6
  },
  "luminance": 0.08732
}

Semantic roles & 50–950 ramp

primary

#A11D37

secondary

#55C4AF

accent

#ECC93C

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11D37

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

Preview Lab → · Contrast checker → · Palette generator →