#A11A37#A11A37

#A11A37 is a mid, vivid red. Relative luminance 0.086; OKLCH L 46.3% C 0.168 H 16.1°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#A11A37
RGB	rgb(161, 26, 55)
HSL	hsl(347, 72%, 37%)
HSV	hsv(347, 84%, 63%)
CMYK	cmyk(0%, 83.9%, 65.8%, 36.9%)
CIE-LAB	lab(35.19, 54.03, 19.41)
CIE-LCH	lch(35.19, 57.41, 19.76°)
OKLab	oklab(46.25% 0.1614 0.0465)
OKLCH	oklch(46.25% 0.168 16.1)
XYZ	xyz(15.7587, 8.5941, 4.4428)
Luminance	0.0859 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11A37 #1AA184

analogous

#A11A7B #A11A37 #A1411A

triadic

#A11A37 #37A11A #1A37A1

tetradic

#A11A37 #7BA11A #1AA184 #411AA1

square

#A11A37 #7BA11A #1AA184 #411AA1

split-complementary

#A11A37 #1AA141 #1A7BA1

monochromatic

#380913 #6C1125 #A11A37 #D62349 #E35271

Accessibility & contrast

On white

7.73

#A11A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#A11A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11A37

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11A37	#FFFFFF	#000000	##FFFFFF
##A11A37	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444137

Deuteranopia (green-blind)

#655D33

Tritanopia (blue-blind)

#B10027

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11a37;
/* rgb */ color: rgb(161, 26, 55);
/* oklch */ color: oklch(46.3% 0.168 16.1);

Tailwind

colors: {
  custom: {
    50: '#c4676d',
    500: '#a11a37',
    950: '#000000',
  },
}

SCSS

$custom: #a11a37;
$custom-light: #c4676d;
$custom-dark: #000000;

JSON

{
  "hex": "#a11a37",
  "rgb": {
    "r": 161,
    "g": 26,
    "b": 55
  },
  "hsl": {
    "h": 347.111,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.46252,
    "c": 0.16792,
    "h": 16.1
  },
  "luminance": 0.08592
}

Semantic roles & 50–950 ramp

primary

#A11A37

secondary

#51C6AD

accent

#EFC839

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11A37

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

Preview Lab → · Contrast checker → · Palette generator →