#A11637#A11637

#A11637 is a mid, vivid red. Relative luminance 0.084; OKLCH L 46.0% C 0.171 H 15.5°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#A11637
RGB	rgb(161, 22, 55)
HSL	hsl(346, 76%, 36%)
HSV	hsv(346, 86%, 63%)
CMYK	cmyk(0%, 86.3%, 65.8%, 36.9%)
CIE-LAB	lab(34.86, 54.97, 18.98)
CIE-LCH	lch(34.86, 58.16, 19.05°)
OKLab	oklab(46.01% 0.1644 0.0455)
OKLCH	oklch(46.01% 0.171 15.5)
XYZ	xyz(15.6762, 8.4292, 4.4153)
Luminance	0.0843 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11637 #16A180

analogous

#A1167C #A11637 #A13A16

triadic

#A11637 #37A116 #1637A1

tetradic

#A11637 #7CA116 #16A180 #3A16A1

square

#A11637 #7CA116 #16A180 #3A16A1

split-complementary

#A11637 #16A13A #167CA1

monochromatic

#350712 #6B0F25 #A11637 #D71D49 #E64B70

Accessibility & contrast

On white

7.82

#A11637 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#A11637 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11637

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11637	#FFFFFF	#000000	##FFFFFF
##A11637	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424037

Deuteranopia (green-blind)

#655C33

Tritanopia (blue-blind)

#B10025

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11637;
/* rgb */ color: rgb(161, 22, 55);
/* oklch */ color: oklch(46.0% 0.171 15.5);

Tailwind

colors: {
  custom: {
    50: '#c5666d',
    500: '#a11637',
    950: '#000000',
  },
}

SCSS

$custom: #a11637;
$custom-light: #c5666d;
$custom-dark: #000000;

JSON

{
  "hex": "#a11637",
  "rgb": {
    "r": 161,
    "g": 22,
    "b": 55
  },
  "hsl": {
    "h": 345.755,
    "s": 75.956,
    "l": 35.882
  },
  "oklch": {
    "l": 0.46009,
    "c": 0.17057,
    "h": 15.5
  },
  "luminance": 0.08427
}

Semantic roles & 50–950 ramp

primary

#A11637

secondary

#4BC8AA

accent

#F3C635

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11637

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

Preview Lab → · Contrast checker → · Palette generator →