#A11837#A11837

#A11837 is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.1% C 0.169 H 15.7°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#A11837
RGB	rgb(161, 24, 55)
HSL	hsl(346, 74%, 36%)
HSV	hsv(346, 85%, 63%)
CMYK	cmyk(0%, 85.1%, 65.8%, 36.9%)
CIE-LAB	lab(35.02, 54.52, 19.19)
CIE-LCH	lch(35.02, 57.80, 19.39°)
OKLab	oklab(46.13% 0.1629 0.046)
OKLCH	oklch(46.13% 0.169 15.7)
XYZ	xyz(15.7159, 8.5086, 4.4285)
Luminance	0.0851 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11837 #18A182

analogous

#A1187C #A11837 #A13E18

triadic

#A11837 #37A118 #1837A1

tetradic

#A11837 #7CA118 #18A182 #3E18A1

square

#A11837 #7CA118 #18A182 #3E18A1

split-complementary

#A11837 #18A13E #187CA1

monochromatic

#360813 #6C1025 #A11837 #D62049 #E54F71

Accessibility & contrast

On white

7.77

#A11837 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#A11837 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11837

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11837	#FFFFFF	#000000	##FFFFFF
##A11837	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434037

Deuteranopia (green-blind)

#655C33

Tritanopia (blue-blind)

#B10026

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11837;
/* rgb */ color: rgb(161, 24, 55);
/* oklch */ color: oklch(46.1% 0.169 15.7);

Tailwind

colors: {
  custom: {
    50: '#c5666d',
    500: '#a11837',
    950: '#000000',
  },
}

SCSS

$custom: #a11837;
$custom-light: #c5666d;
$custom-dark: #000000;

JSON

{
  "hex": "#a11837",
  "rgb": {
    "r": 161,
    "g": 24,
    "b": 55
  },
  "hsl": {
    "h": 346.423,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46126,
    "c": 0.16929,
    "h": 15.7
  },
  "luminance": 0.08506
}

Semantic roles & 50–950 ramp

primary

#A11837

secondary

#4EC7AB

accent

#F1C737

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11837

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

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