#A11820#A11820

#A11820 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.8% C 0.170 H 25.0°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#A11820
RGB	rgb(161, 24, 32)
HSL	hsl(356, 74%, 36%)
HSV	hsv(356, 85%, 63%)
CMYK	cmyk(0%, 85.1%, 80.1%, 36.9%)
CIE-LAB	lab(34.68, 53.49, 33.14)
CIE-LCH	lch(34.68, 62.92, 31.78°)
OKLab	oklab(45.76% 0.1543 0.0721)
OKLCH	oklch(45.76% 0.17 25)
XYZ	xyz(15.2872, 8.3371, 2.1705)
Luminance	0.0833 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11820 #18A199

analogous

#A11865 #A11820 #A15518

triadic

#A11820 #20A118 #1820A1

tetradic

#A11820 #65A118 #18A199 #5518A1

square

#A11820 #65A118 #18A199 #5518A1

split-complementary

#A11820 #18A155 #1865A1

monochromatic

#36080B #6C1015 #A11820 #D6202B #E54F57

Accessibility & contrast

On white

7.87

#A11820 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#A11820 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11820

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11820	#FFFFFF	#000000	##FFFFFF
##A11820	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)

#463F1F

Deuteranopia (green-blind)

#675C1A

Tritanopia (blue-blind)

#B2001D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11820;
/* rgb */ color: rgb(161, 24, 32);
/* oklch */ color: oklch(45.8% 0.170 25.0);

Tailwind

colors: {
  custom: {
    50: '#c6665c',
    500: '#a11820',
    950: '#000000',
  },
}

SCSS

$custom: #a11820;
$custom-light: #c6665c;
$custom-dark: #000000;

JSON

{
  "hex": "#a11820",
  "rgb": {
    "r": 161,
    "g": 24,
    "b": 32
  },
  "hsl": {
    "h": 356.496,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45761,
    "c": 0.17033,
    "h": 25
  },
  "luminance": 0.08335
}

Semantic roles & 50–950 ramp

primary

#A11820

secondary

#4EC7C0

accent

#F1E637

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A11820

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

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