#A11D31#A11D31

#A11D31 is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.3% C 0.166 H 19.3°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#A11D31
RGB	rgb(161, 29, 49)
HSL	hsl(351, 69%, 37%)
HSV	hsv(351, 82%, 63%)
CMYK	cmyk(0%, 82%, 69.6%, 36.9%)
CIE-LAB	lab(35.36, 52.92, 23.46)
CIE-LCH	lch(35.36, 57.89, 23.91°)
OKLab	oklab(46.34% 0.1564 0.0548)
OKLCH	oklch(46.34% 0.166 19.3)
XYZ	xyz(15.6935, 8.6800, 3.7542)
Luminance	0.0868 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11D31 #1DA18D

analogous

#A11D73 #A11D31 #A14B1D

triadic

#A11D31 #31A11D #1D31A1

tetradic

#A11D31 #73A11D #1DA18D #4B1DA1

square

#A11D31 #73A11D #1DA18D #4B1DA1

split-complementary

#A11D31 #1DA14B #1D73A1

monochromatic

#390A11 #6D1421 #A11D31 #D52641 #E1586C

Accessibility & contrast

On white

7.68

#A11D31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#A11D31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11D31

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11D31	#FFFFFF	#000000	##FFFFFF
##A11D31	1.00	7.68	2.74	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464131

Deuteranopia (green-blind)

#675D2D

Tritanopia (blue-blind)

#B10026

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11d31;
/* rgb */ color: rgb(161, 29, 49);
/* oklch */ color: oklch(46.3% 0.166 19.3);

Tailwind

colors: {
  custom: {
    50: '#c56869',
    500: '#a11d31',
    950: '#000000',
  },
}

SCSS

$custom: #a11d31;
$custom-light: #c56869;
$custom-dark: #000000;

JSON

{
  "hex": "#a11d31",
  "rgb": {
    "r": 161,
    "g": 29,
    "b": 49
  },
  "hsl": {
    "h": 350.909,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46343,
    "c": 0.16577,
    "h": 19.3
  },
  "luminance": 0.08678
}

Semantic roles & 50–950 ramp

primary

#A11D31

secondary

#55C4B4

accent

#ECD23C

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140706

muted

#837A7A

Preview Lab

Preview with #A11D31

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

Preview Lab → · Contrast checker → · Palette generator →