#A11828#A11828

#A11828 is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.9% C 0.170 H 22.2°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#A11828
RGB	rgb(161, 24, 40)
HSL	hsl(353, 74%, 36%)
HSV	hsv(353, 85%, 63%)
CMYK	cmyk(0%, 85.1%, 75.2%, 36.9%)
CIE-LAB	lab(34.77, 53.78, 28.41)
CIE-LCH	lch(34.77, 60.82, 27.84°)
OKLab	oklab(45.87% 0.1571 0.064)
OKLCH	oklch(45.87% 0.17 22.2)
XYZ	xyz(15.4094, 8.3860, 2.8144)
Luminance	0.0838 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11828 #18A191

analogous

#A1186D #A11828 #A14D18

triadic

#A11828 #28A118 #1828A1

tetradic

#A11828 #6DA118 #18A191 #4D18A1

square

#A11828 #6DA118 #18A191 #4D18A1

split-complementary

#A11828 #18A14D #186DA1

monochromatic

#36080E #6C101B #A11828 #D62035 #E54F60

Accessibility & contrast

On white

7.85

#A11828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A11828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11828

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11828	#FFFFFF	#000000	##FFFFFF
##A11828	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453F27

Deuteranopia (green-blind)

#665C23

Tritanopia (blue-blind)

#B20020

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11828;
/* rgb */ color: rgb(161, 24, 40);
/* oklch */ color: oklch(45.9% 0.170 22.2);

Tailwind

colors: {
  custom: {
    50: '#c66662',
    500: '#a11828',
    950: '#000000',
  },
}

SCSS

$custom: #a11828;
$custom-light: #c66662;
$custom-dark: #000000;

JSON

{
  "hex": "#a11828",
  "rgb": {
    "r": 161,
    "g": 24,
    "b": 40
  },
  "hsl": {
    "h": 352.993,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45866,
    "c": 0.16965,
    "h": 22.2
  },
  "luminance": 0.08384
}

Semantic roles & 50–950 ramp

primary

#A11828

secondary

#4EC7B9

accent

#F1DB37

background

#FDF6F5

surface

#FAEBEA

border

#D3C6C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A11828

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

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