#A11B3A#A11B3A

#A11B3A is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.4% C 0.167 H 14.8°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#A11B3A
RGB	rgb(161, 27, 58)
HSL	hsl(346, 71%, 37%)
HSV	hsv(346, 83%, 63%)
CMYK	cmyk(0%, 83.2%, 64%, 36.9%)
CIE-LAB	lab(35.34, 53.95, 17.66)
CIE-LCH	lch(35.34, 56.77, 18.13°)
OKLab	oklab(46.38% 0.1618 0.0428)
OKLCH	oklch(46.38% 0.167 14.8)
XYZ	xyz(15.8553, 8.6689, 4.8406)
Luminance	0.0867 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11B3A #1BA182

analogous

#A11B7D #A11B3A #A13F1B

triadic

#A11B3A #3AA11B #1B3AA1

tetradic

#A11B3A #7DA11B #1BA182 #3F1BA1

square

#A11B3A #7DA11B #1BA182 #3F1BA1

split-complementary

#A11B3A #1BA13F #1B7DA1

monochromatic

#380914 #6D1227 #A11B3A #D5244D #E25475

Accessibility & contrast

On white

7.68

#A11B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#A11B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11B3A

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11B3A	#FFFFFF	#000000	##FFFFFF
##A11B3A	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44413A

Deuteranopia (green-blind)

#655D36

Tritanopia (blue-blind)

#B10029

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11b3a;
/* rgb */ color: rgb(161, 27, 58);
/* oklch */ color: oklch(46.4% 0.167 14.8);

Tailwind

colors: {
  custom: {
    50: '#c4676f',
    500: '#a11b3a',
    950: '#000000',
  },
}

SCSS

$custom: #a11b3a;
$custom-light: #c4676f;
$custom-dark: #000000;

JSON

{
  "hex": "#a11b3a",
  "rgb": {
    "r": 161,
    "g": 27,
    "b": 58
  },
  "hsl": {
    "h": 346.119,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.4638,
    "c": 0.16731,
    "h": 14.8
  },
  "luminance": 0.08666
}

Semantic roles & 50–950 ramp

primary

#A11B3A

secondary

#52C5AB

accent

#EEC43A

background

#FDF6F6

surface

#FAEBEC

border

#D3C6C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11B3A

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

Preview Lab → · Contrast checker → · Palette generator →