#A22828#A22828

#A22828 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.3% C 0.159 H 25.7°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#A22828
RGB	rgb(162, 40, 40)
HSL	hsl(0, 60%, 40%)
HSV	hsv(0, 75%, 64%)
CMYK	cmyk(0%, 75.3%, 75.3%, 36.5%)
CIE-LAB	lab(36.66, 49.35, 30.60)
CIE-LCH	lch(36.66, 58.07, 31.80°)
OKLab	oklab(47.3% 0.1429 0.0687)
OKLCH	oklch(47.3% 0.159 25.7)
XYZ	xyz(16.0439, 9.3546, 2.9679)
Luminance	0.0935 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A22828 #28A2A2

analogous

#A22865 #A22828 #A26528

triadic

#A22828 #28A228 #2828A2

tetradic

#A22828 #65A228 #28A2A2 #6528A2

square

#A22828 #65A228 #28A2A2 #6528A2

split-complementary

#A22828 #28A265 #2865A2

monochromatic

#401010 #711C1C #A22828 #CE3939 #DA6A6A

Accessibility & contrast

On white

7.32

#A22828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#A22828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A22828

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A22828	#FFFFFF	#000000	##FFFFFF
##A22828	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4527

Deuteranopia (green-blind)

#6B6023

Tritanopia (blue-blind)

#B3002A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a22828;
/* rgb */ color: rgb(162, 40, 40);
/* oklch */ color: oklch(47.3% 0.159 25.7);

Tailwind

colors: {
  custom: {
    50: '#c66c62',
    500: '#a22828',
    950: '#000000',
  },
}

SCSS

$custom: #a22828;
$custom-light: #c66c62;
$custom-dark: #000000;

JSON

{
  "hex": "#a22828",
  "rgb": {
    "r": 162,
    "g": 40,
    "b": 40
  },
  "hsl": {
    "h": 0,
    "s": 60.396,
    "l": 39.608
  },
  "oklch": {
    "l": 0.473,
    "c": 0.15858,
    "h": 25.7
  },
  "luminance": 0.09352
}

Semantic roles & 50–950 ramp

primary

#A22828

secondary

#65C1C1

accent

#E4E444

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#140705

muted

#837A79

Preview Lab

Preview with #A22828

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

Preview Lab → · Contrast checker → · Palette generator →