#A11738#A11738

#A11738 is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.1% C 0.170 H 15.1°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#A11738
RGB	rgb(161, 23, 56)
HSL	hsl(346, 75%, 36%)
HSV	hsv(346, 86%, 63%)
CMYK	cmyk(0%, 85.7%, 65.2%, 36.9%)
CIE-LAB	lab(34.96, 54.81, 18.46)
CIE-LCH	lch(34.96, 57.83, 18.61°)
OKLab	oklab(46.09% 0.1641 0.0444)
OKLCH	oklch(46.09% 0.17 15.1)
XYZ	xyz(15.7199, 8.4778, 4.5493)
Luminance	0.0848 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11738 #17A180

analogous

#A1177D #A11738 #A13B17

triadic

#A11738 #38A117 #1738A1

tetradic

#A11738 #7DA117 #17A180 #3B17A1

square

#A11738 #7DA117 #17A180 #3B17A1

split-complementary

#A11738 #17A13B #177DA1

monochromatic

#360813 #6B0F25 #A11738 #D71F4B #E64D71

Accessibility & contrast

On white

7.79

#A11738 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#A11738 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11738

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11738	#FFFFFF	#000000	##FFFFFF
##A11738	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424038

Deuteranopia (green-blind)

#655C34

Tritanopia (blue-blind)

#B10026

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11738;
/* rgb */ color: rgb(161, 23, 56);
/* oklch */ color: oklch(46.1% 0.170 15.1);

Tailwind

colors: {
  custom: {
    50: '#c4666e',
    500: '#a11738',
    950: '#000000',
  },
}

SCSS

$custom: #a11738;
$custom-light: #c4666e;
$custom-dark: #000000;

JSON

{
  "hex": "#a11738",
  "rgb": {
    "r": 161,
    "g": 23,
    "b": 56
  },
  "hsl": {
    "h": 345.652,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.46087,
    "c": 0.16998,
    "h": 15.1
  },
  "luminance": 0.08475
}

Semantic roles & 50–950 ramp

primary

#A11738

secondary

#4CC7AA

accent

#F2C536

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11738

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

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