#A11B39#A11B39

#A11B39 is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.4% C 0.167 H 15.3°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#A11B39
RGB	rgb(161, 27, 57)
HSL	hsl(347, 71%, 37%)
HSV	hsv(347, 83%, 63%)
CMYK	cmyk(0%, 83.2%, 64.6%, 36.9%)
CIE-LAB	lab(35.32, 53.89, 18.28)
CIE-LCH	lch(35.32, 56.91, 18.74°)
OKLab	oklab(46.36% 0.1613 0.0441)
OKLCH	oklch(46.36% 0.167 15.3)
XYZ	xyz(15.8301, 8.6588, 4.7079)
Luminance	0.0866 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11B39 #1BA183

analogous

#A11B7C #A11B39 #A1401B

triadic

#A11B39 #39A11B #1B39A1

tetradic

#A11B39 #7CA11B #1BA183 #401BA1

square

#A11B39 #7CA11B #1BA183 #401BA1

split-complementary

#A11B39 #1BA140 #1B7CA1

monochromatic

#380914 #6D1226 #A11B39 #D5244C #E25474

Accessibility & contrast

On white

7.69

#A11B39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#A11B39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11B39

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11B39	#FFFFFF	#000000	##FFFFFF
##A11B39	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444139

Deuteranopia (green-blind)

#655D35

Tritanopia (blue-blind)

#B10029

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11b39;
/* rgb */ color: rgb(161, 27, 57);
/* oklch */ color: oklch(46.4% 0.167 15.3);

Tailwind

colors: {
  custom: {
    50: '#c4676f',
    500: '#a11b39',
    950: '#000000',
  },
}

SCSS

$custom: #a11b39;
$custom-light: #c4676f;
$custom-dark: #000000;

JSON

{
  "hex": "#a11b39",
  "rgb": {
    "r": 161,
    "g": 27,
    "b": 57
  },
  "hsl": {
    "h": 346.567,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.46359,
    "c": 0.16726,
    "h": 15.3
  },
  "luminance": 0.08656
}

Semantic roles & 50–950 ramp

primary

#A11B39

secondary

#52C5AC

accent

#EEC63A

background

#FDF6F6

surface

#FAEBEC

border

#D3C6C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11B39

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

Preview Lab → · Contrast checker → · Palette generator →