#A22728#A22728

#A22728 is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.2% C 0.159 H 25.4°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#A22728
RGB	rgb(162, 39, 40)
HSL	hsl(360, 61%, 39%)
HSV	hsv(360, 76%, 64%)
CMYK	cmyk(0%, 75.9%, 75.3%, 36.5%)
CIE-LAB	lab(36.53, 49.70, 30.46)
CIE-LCH	lch(36.53, 58.29, 31.50°)
OKLab	oklab(47.21% 0.144 0.0684)
OKLCH	oklch(47.21% 0.159 25.4)
XYZ	xyz(16.0107, 9.2881, 2.9568)
Luminance	0.0929 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A22728 #27A2A1

analogous

#A22766 #A22728 #A26427

triadic

#A22728 #28A227 #2728A2

tetradic

#A22728 #66A227 #27A2A1 #6427A2

square

#A22728 #66A227 #27A2A1 #6427A2

split-complementary

#A22728 #27A264 #2766A2

monochromatic

#3F0F10 #711B1C #A22728 #CF3739 #DB696A

Accessibility & contrast

On white

7.35

#A22728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#A22728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A22728

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A22728	#FFFFFF	#000000	##FFFFFF
##A22728	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4527

Deuteranopia (green-blind)

#6A6023

Tritanopia (blue-blind)

#B30029

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a22728;
/* rgb */ color: rgb(162, 39, 40);
/* oklch */ color: oklch(47.2% 0.159 25.4);

Tailwind

colors: {
  custom: {
    50: '#c66c62',
    500: '#a22728',
    950: '#000000',
  },
}

SCSS

$custom: #a22728;
$custom-light: #c66c62;
$custom-dark: #000000;

JSON

{
  "hex": "#a22728",
  "rgb": {
    "r": 162,
    "g": 39,
    "b": 40
  },
  "hsl": {
    "h": 359.512,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47207,
    "c": 0.15944,
    "h": 25.4
  },
  "luminance": 0.09286
}

Semantic roles & 50–950 ramp

primary

#A22728

secondary

#64C1C0

accent

#E4E343

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#140705

muted

#837A79

Preview Lab

Preview with #A22728

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

Preview Lab → · Contrast checker → · Palette generator →