#A11D3B#A11D3B

#A11D3B is a mid, vivid red. Relative luminance 0.088; OKLCH L 46.5% C 0.166 H 14.7°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#A11D3B
RGB	rgb(161, 29, 59)
HSL	hsl(346, 69%, 37%)
HSV	hsv(346, 82%, 63%)
CMYK	cmyk(0%, 82%, 63.4%, 36.9%)
CIE-LAB	lab(35.55, 53.49, 17.29)
CIE-LCH	lch(35.55, 56.21, 17.92°)
OKLab	oklab(46.54% 0.1604 0.042)
OKLCH	oklch(46.54% 0.166 14.7)
XYZ	xyz(15.9284, 8.7740, 4.9917)
Luminance	0.0877 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11D3B #1DA183

analogous

#A11D7D #A11D3B #A1411D

triadic

#A11D3B #3BA11D #1D3BA1

tetradic

#A11D3B #7DA11D #1DA183 #411DA1

square

#A11D3B #7DA11D #1DA183 #411DA1

split-complementary

#A11D3B #1DA141 #1D7DA1

monochromatic

#390A15 #6D1428 #A11D3B #D5264E #E15877

Accessibility & contrast

On white

7.62

#A11D3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#A11D3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11D3B

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11D3B	#FFFFFF	#000000	##FFFFFF
##A11D3B	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44423B

Deuteranopia (green-blind)

#665D37

Tritanopia (blue-blind)

#B1002A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #a11d3b;
/* rgb */ color: rgb(161, 29, 59);
/* oklch */ color: oklch(46.5% 0.166 14.7);

Tailwind

colors: {
  custom: {
    50: '#c46870',
    500: '#a11d3b',
    950: '#000000',
  },
}

SCSS

$custom: #a11d3b;
$custom-light: #c46870;
$custom-dark: #000000;

JSON

{
  "hex": "#a11d3b",
  "rgb": {
    "r": 161,
    "g": 29,
    "b": 59
  },
  "hsl": {
    "h": 346.364,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46539,
    "c": 0.16584,
    "h": 14.7
  },
  "luminance": 0.08772
}

Semantic roles & 50–950 ramp

primary

#A11D3B

secondary

#55C4AB

accent

#ECC43C

background

#FDF6F6

surface

#FAEBEC

border

#D3C6C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11D3B

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

Preview Lab → · Contrast checker → · Palette generator →