#A11F37#A11F37

#A11F37 is a mid, vivid red. Relative luminance 0.088; OKLCH L 46.6% C 0.164 H 16.9°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#A11F37
RGB	rgb(161, 31, 55)
HSL	hsl(349, 68%, 38%)
HSV	hsv(349, 81%, 63%)
CMYK	cmyk(0%, 80.7%, 65.8%, 36.9%)
CIE-LAB	lab(35.67, 52.69, 20.02)
CIE-LCH	lch(35.67, 56.36, 20.80°)
OKLab	oklab(46.6% 0.157 0.0478)
OKLCH	oklch(46.6% 0.164 16.9)
XYZ	xyz(15.8793, 8.8353, 4.4830)
Luminance	0.0883 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11F37 #1FA189

analogous

#A11F78 #A11F37 #A1481F

triadic

#A11F37 #37A11F #1F37A1

tetradic

#A11F37 #78A11F #1FA189 #481FA1

square

#A11F37 #78A11F #1FA189 #481FA1

split-complementary

#A11F37 #1FA148 #1F78A1

monochromatic

#3A0B14 #6E1525 #A11F37 #D42949 #DF5B73

Accessibility & contrast

On white

7.59

#A11F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#A11F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11F37

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11F37	#FFFFFF	#000000	##FFFFFF
##A11F37	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464337

Deuteranopia (green-blind)

#665E33

Tritanopia (blue-blind)

#B1002A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #a11f37;
/* rgb */ color: rgb(161, 31, 55);
/* oklch */ color: oklch(46.6% 0.164 16.9);

Tailwind

colors: {
  custom: {
    50: '#c4696d',
    500: '#a11f37',
    950: '#000000',
  },
}

SCSS

$custom: #a11f37;
$custom-light: #c4696d;
$custom-dark: #000000;

JSON

{
  "hex": "#a11f37",
  "rgb": {
    "r": 161,
    "g": 31,
    "b": 55
  },
  "hsl": {
    "h": 348.923,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.46603,
    "c": 0.16415,
    "h": 16.9
  },
  "luminance": 0.08833
}

Semantic roles & 50–950 ramp

primary

#A11F37

secondary

#58C4B0

accent

#EBCB3D

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11F37

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

Preview Lab → · Contrast checker → · Palette generator →