#A11B3C#A11B3C

#A11B3C is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.4% C 0.167 H 13.8°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#A11B3C
RGB	rgb(161, 27, 60)
HSL	hsl(345, 71%, 37%)
HSV	hsv(345, 83%, 63%)
CMYK	cmyk(0%, 83.2%, 62.7%, 36.9%)
CIE-LAB	lab(35.38, 54.08, 16.43)
CIE-LCH	lch(35.38, 56.52, 16.90°)
OKLab	oklab(46.42% 0.1626 0.0401)
OKLCH	oklch(46.42% 0.167 13.8)
XYZ	xyz(15.9072, 8.6896, 5.1138)
Luminance	0.0869 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11B3C #1BA180

analogous

#A11B7F #A11B3C #A13D1B

triadic

#A11B3C #3CA11B #1B3CA1

tetradic

#A11B3C #7FA11B #1BA180 #3D1BA1

square

#A11B3C #7FA11B #1BA180 #3D1BA1

split-complementary

#A11B3C #1BA13D #1B7FA1

monochromatic

#380915 #6D1228 #A11B3C #D52450 #E25477

Accessibility & contrast

On white

7.67

#A11B3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#A11B3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11B3C

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11B3C	#FFFFFF	#000000	##FFFFFF
##A11B3C	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43423C

Deuteranopia (green-blind)

#655D38

Tritanopia (blue-blind)

#B1002A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11b3c;
/* rgb */ color: rgb(161, 27, 60);
/* oklch */ color: oklch(46.4% 0.167 13.8);

Tailwind

colors: {
  custom: {
    50: '#c46771',
    500: '#a11b3c',
    950: '#000000',
  },
}

SCSS

$custom: #a11b3c;
$custom-light: #c46771;
$custom-dark: #000000;

JSON

{
  "hex": "#a11b3c",
  "rgb": {
    "r": 161,
    "g": 27,
    "b": 60
  },
  "hsl": {
    "h": 345.224,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.46424,
    "c": 0.16741,
    "h": 13.8
  },
  "luminance": 0.08687
}

Semantic roles & 50–950 ramp

primary

#A11B3C

secondary

#52C5A9

accent

#EEC23A

background

#FDF6F6

surface

#FAEBEC

border

#D3C6C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11B3C

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

Preview Lab → · Contrast checker → · Palette generator →