#A11638#A11638

#A11638 is a mid, vivid red. Relative luminance 0.084; OKLCH L 46.0% C 0.171 H 15.0°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#A11638
RGB	rgb(161, 22, 56)
HSL	hsl(345, 76%, 36%)
HSV	hsv(345, 86%, 63%)
CMYK	cmyk(0%, 86.3%, 65.2%, 36.9%)
CIE-LAB	lab(34.88, 55.03, 18.36)
CIE-LCH	lch(34.88, 58.01, 18.45°)
OKLab	oklab(46.03% 0.1648 0.0442)
OKLCH	oklch(46.03% 0.171 15)
XYZ	xyz(15.7004, 8.4389, 4.5428)
Luminance	0.0844 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11638 #16A17F

analogous

#A1167D #A11638 #A13A16

triadic

#A11638 #38A116 #1638A1

tetradic

#A11638 #7DA116 #16A17F #3A16A1

square

#A11638 #7DA116 #16A17F #3A16A1

split-complementary

#A11638 #16A13A #167DA1

monochromatic

#350713 #6B0F25 #A11638 #D71D4B #E64B71

Accessibility & contrast

On white

7.81

#A11638 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#A11638 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11638

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11638	#FFFFFF	#000000	##FFFFFF
##A11638	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424038

Deuteranopia (green-blind)

#655C34

Tritanopia (blue-blind)

#B10026

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11638;
/* rgb */ color: rgb(161, 22, 56);
/* oklch */ color: oklch(46.0% 0.171 15.0);

Tailwind

colors: {
  custom: {
    50: '#c5666e',
    500: '#a11638',
    950: '#000000',
  },
}

SCSS

$custom: #a11638;
$custom-light: #c5666e;
$custom-dark: #000000;

JSON

{
  "hex": "#a11638",
  "rgb": {
    "r": 161,
    "g": 22,
    "b": 56
  },
  "hsl": {
    "h": 345.324,
    "s": 75.956,
    "l": 35.882
  },
  "oklch": {
    "l": 0.4603,
    "c": 0.17061,
    "h": 15
  },
  "luminance": 0.08436
}

Semantic roles & 50–950 ramp

primary

#A11638

secondary

#4BC8A9

accent

#F3C435

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11638

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

Preview Lab → · Contrast checker → · Palette generator →