#A11918#A11918

#A11918 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.7% C 0.171 H 27.6°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#A11918
RGB	rgb(161, 25, 24)
HSL	hsl(0, 74%, 36%)
HSV	hsv(0, 85%, 63%)
CMYK	cmyk(0%, 84.5%, 85.1%, 36.9%)
CIE-LAB	lab(34.68, 53.01, 37.66)
CIE-LCH	lch(34.68, 65.03, 35.39°)
OKLab	oklab(45.74% 0.1512 0.079)
OKLCH	oklch(45.74% 0.171 27.6)
XYZ	xyz(15.2124, 8.3408, 1.6729)
Luminance	0.0834 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11918 #18A0A1

analogous

#A1185C #A11918 #A15E18

triadic

#A11918 #18A119 #1918A1

tetradic

#A11918 #5CA118 #18A0A1 #5E18A1

square

#A11918 #5CA118 #18A0A1 #5E18A1

split-complementary

#A11918 #18A15E #185CA1

monochromatic

#360808 #6C1110 #A11918 #D62120 #E5504F

Accessibility & contrast

On white

7.87

#A11918 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#A11918 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11918

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11918	#FFFFFF	#000000	##FFFFFF
##A11918	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F15

Deuteranopia (green-blind)

#685C10

Tritanopia (blue-blind)

#B2001B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11918;
/* rgb */ color: rgb(161, 25, 24);
/* oklch */ color: oklch(45.7% 0.171 27.6);

Tailwind

colors: {
  custom: {
    50: '#c76656',
    500: '#a11918',
    950: '#000000',
  },
}

SCSS

$custom: #a11918;
$custom-light: #c76656;
$custom-dark: #000000;

JSON

{
  "hex": "#a11918",
  "rgb": {
    "r": 161,
    "g": 25,
    "b": 24
  },
  "hsl": {
    "h": 0.438,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45742,
    "c": 0.17057,
    "h": 27.6
  },
  "luminance": 0.08338
}

Semantic roles & 50–950 ramp

primary

#A11918

secondary

#4EC6C7

accent

#EFF137

background

#FDF6F5

surface

#FBEBE9

border

#D4C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A11918

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

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