#A11731#A11731

#A11731 is a mid, vivid red. Relative luminance 0.084; OKLCH L 46.0% C 0.170 H 18.3°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#A11731
RGB	rgb(161, 23, 49)
HSL	hsl(349, 75%, 36%)
HSV	hsv(349, 86%, 63%)
CMYK	cmyk(0%, 85.7%, 69.6%, 36.9%)
CIE-LAB	lab(34.83, 54.43, 22.80)
CIE-LCH	lch(34.83, 59.01, 22.73°)
OKLab	oklab(45.95% 0.1613 0.0534)
OKLCH	oklch(45.95% 0.17 18.3)
XYZ	xyz(15.5605, 8.4141, 3.7099)
Luminance	0.0841 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11731 #17A187

analogous

#A11776 #A11731 #A14217

triadic

#A11731 #31A117 #1731A1

tetradic

#A11731 #76A117 #17A187 #4217A1

square

#A11731 #76A117 #17A187 #4217A1

split-complementary

#A11731 #17A142 #1776A1

monochromatic

#360810 #6B0F21 #A11731 #D71F41 #E64D6A

Accessibility & contrast

On white

7.83

#A11731 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A11731 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11731

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11731	#FFFFFF	#000000	##FFFFFF
##A11731	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444031

Deuteranopia (green-blind)

#655C2D

Tritanopia (blue-blind)

#B10023

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11731;
/* rgb */ color: rgb(161, 23, 49);
/* oklch */ color: oklch(46.0% 0.170 18.3);

Tailwind

colors: {
  custom: {
    50: '#c56668',
    500: '#a11731',
    950: '#000000',
  },
}

SCSS

$custom: #a11731;
$custom-light: #c56668;
$custom-dark: #000000;

JSON

{
  "hex": "#a11731",
  "rgb": {
    "r": 161,
    "g": 23,
    "b": 49
  },
  "hsl": {
    "h": 348.696,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45952,
    "c": 0.16988,
    "h": 18.3
  },
  "luminance": 0.08412
}

Semantic roles & 50–950 ramp

primary

#A11731

secondary

#4CC7B0

accent

#F2CE36

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140706

muted

#837A7A

Preview Lab

Preview with #A11731

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

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