#A11D3A#A11D3A

#A11D3A is a mid, vivid red. Relative luminance 0.088; OKLCH L 46.5% C 0.166 H 15.1°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#A11D3A
RGB	rgb(161, 29, 58)
HSL	hsl(347, 69%, 37%)
HSV	hsv(347, 82%, 63%)
CMYK	cmyk(0%, 82%, 64%, 36.9%)
CIE-LAB	lab(35.53, 53.42, 17.91)
CIE-LCH	lch(35.53, 56.35, 18.53°)
OKLab	oklab(46.52% 0.16 0.0433)
OKLCH	oklch(46.52% 0.166 15.1)
XYZ	xyz(15.9027, 8.7637, 4.8564)
Luminance	0.0876 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11D3A #1DA184

analogous

#A11D7C #A11D3A #A1421D

triadic

#A11D3A #3AA11D #1D3AA1

tetradic

#A11D3A #7CA11D #1DA184 #421DA1

square

#A11D3A #7CA11D #1DA184 #421DA1

split-complementary

#A11D3A #1DA142 #1D7CA1

monochromatic

#390A15 #6D1427 #A11D3A #D5264D #E15876

Accessibility & contrast

On white

7.63

#A11D3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#A11D3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11D3A

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11D3A	#FFFFFF	#000000	##FFFFFF
##A11D3A	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44423A

Deuteranopia (green-blind)

#665D36

Tritanopia (blue-blind)

#B1002A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #a11d3a;
/* rgb */ color: rgb(161, 29, 58);
/* oklch */ color: oklch(46.5% 0.166 15.1);

Tailwind

colors: {
  custom: {
    50: '#c4686f',
    500: '#a11d3a',
    950: '#000000',
  },
}

SCSS

$custom: #a11d3a;
$custom-light: #c4686f;
$custom-dark: #000000;

JSON

{
  "hex": "#a11d3a",
  "rgb": {
    "r": 161,
    "g": 29,
    "b": 58
  },
  "hsl": {
    "h": 346.818,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46518,
    "c": 0.16579,
    "h": 15.1
  },
  "luminance": 0.08761
}

Semantic roles & 50–950 ramp

primary

#A11D3A

secondary

#55C4AC

accent

#ECC53C

background

#FDF6F6

surface

#FAEBEC

border

#D3C6C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11D3A

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

Preview Lab → · Contrast checker → · Palette generator →