#A0221A#A0221A

#A0221A is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.2% C 0.163 H 28.9°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#A0221A
RGB	rgb(160, 34, 26)
HSL	hsl(4, 72%, 36%)
HSV	hsv(4, 84%, 63%)
CMYK	cmyk(0%, 78.8%, 83.8%, 37.3%)
CIE-LAB	lab(35.39, 50.23, 37.17)
CIE-LCH	lch(35.39, 62.49, 36.50°)
OKLab	oklab(46.24% 0.143 0.0788)
OKLCH	oklch(46.24% 0.163 28.9)
XYZ	xyz(15.2576, 8.6947, 1.8520)
Luminance	0.0869 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0221A #1A98A0

analogous

#A01A55 #A0221A #A0651A

triadic

#A0221A #1AA022 #221AA0

tetradic

#A0221A #55A01A #1A98A0 #651AA0

square

#A0221A #55A01A #1A98A0 #651AA0

split-complementary

#A0221A #1AA065 #1A55A0

monochromatic

#370C09 #6B1711 #A0221A #D52D23 #E35A52

Accessibility & contrast

On white

7.67

#A0221A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#A0221A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0221A

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0221A	#FFFFFF	#000000	##FFFFFF
##A0221A	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4217

Deuteranopia (green-blind)

#695D13

Tritanopia (blue-blind)

#B10022

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a0221a;
/* rgb */ color: rgb(160, 34, 26);
/* oklch */ color: oklch(46.2% 0.163 28.9);

Tailwind

colors: {
  custom: {
    50: '#c56958',
    500: '#a0221a',
    950: '#000000',
  },
}

SCSS

$custom: #a0221a;
$custom-light: #c56958;
$custom-dark: #000000;

JSON

{
  "hex": "#a0221a",
  "rgb": {
    "r": 160,
    "g": 34,
    "b": 26
  },
  "hsl": {
    "h": 3.582,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.46236,
    "c": 0.16325,
    "h": 28.9
  },
  "luminance": 0.08692
}

Semantic roles & 50–950 ramp

primary

#A0221A

secondary

#50BEC5

accent

#E4EF39

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A0221A

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

Preview Lab → · Contrast checker → · Palette generator →