#A0221B#A0221B

#A0221B is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.2% C 0.163 H 28.6°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#A0221B
RGB	rgb(160, 34, 27)
HSL	hsl(3, 71%, 37%)
HSV	hsv(3, 83%, 63%)
CMYK	cmyk(0%, 78.8%, 83.1%, 37.3%)
CIE-LAB	lab(35.40, 50.26, 36.63)
CIE-LCH	lch(35.40, 62.20, 36.09°)
OKLab	oklab(46.25% 0.1432 0.078)
OKLCH	oklch(46.25% 0.163 28.6)
XYZ	xyz(15.2689, 8.6992, 1.9119)
Luminance	0.0870 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0221B #1B99A0

analogous

#A01B57 #A0221B #A0651B

triadic

#A0221B #1BA022 #221BA0

tetradic

#A0221B #57A01B #1B99A0 #651BA0

square

#A0221B #57A01B #1B99A0 #651BA0

split-complementary

#A0221B #1BA065 #1B57A0

monochromatic

#370C09 #6C1712 #A0221B #D42D24 #E25B53

Accessibility & contrast

On white

7.67

#A0221B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#A0221B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0221B

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0221B	#FFFFFF	#000000	##FFFFFF
##A0221B	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)

#4A4218

Deuteranopia (green-blind)

#695D14

Tritanopia (blue-blind)

#B10022

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a0221b;
/* rgb */ color: rgb(160, 34, 27);
/* oklch */ color: oklch(46.2% 0.163 28.6);

Tailwind

colors: {
  custom: {
    50: '#c56959',
    500: '#a0221b',
    950: '#000000',
  },
}

SCSS

$custom: #a0221b;
$custom-light: #c56959;
$custom-dark: #000000;

JSON

{
  "hex": "#a0221b",
  "rgb": {
    "r": 160,
    "g": 34,
    "b": 27
  },
  "hsl": {
    "h": 3.158,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.46246,
    "c": 0.16313,
    "h": 28.6
  },
  "luminance": 0.08697
}

Semantic roles & 50–950 ramp

primary

#A0221B

secondary

#52BFC5

accent

#E4EE3A

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A0221B

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

Preview Lab → · Contrast checker → · Palette generator →