#A4223D#A4223D

#A4223D is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.165 H 15.1°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#A4223D
RGB	rgb(164, 34, 61)
HSL	hsl(348, 66%, 39%)
HSV	hsv(348, 79%, 64%)
CMYK	cmyk(0%, 79.3%, 62.8%, 35.7%)
CIE-LAB	lab(36.70, 53.04, 17.64)
CIE-LCH	lch(36.70, 55.90, 18.39°)
OKLab	oklab(47.51% 0.159 0.0429)
OKLCH	oklch(47.51% 0.165 15.1)
XYZ	xyz(16.7259, 9.3760, 5.3430)
Luminance	0.0937 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4223D #22A489

analogous

#A4227E #A4223D #A44822

triadic

#A4223D #3DA422 #223DA4

tetradic

#A4223D #7EA422 #22A489 #4822A4

square

#A4223D #7EA422 #22A489 #4822A4

split-complementary

#A4223D #22A448 #227EA4

monochromatic

#3F0D17 #71172A #A4223D #D42F51 #DE627C

Accessibility & contrast

On white

7.31

#A4223D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#A4223D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4223D

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4223D	#FFFFFF	#000000	##FFFFFF
##A4223D	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47453D

Deuteranopia (green-blind)

#686039

Tritanopia (blue-blind)

#B4002E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a4223d;
/* rgb */ color: rgb(164, 34, 61);
/* oklch */ color: oklch(47.5% 0.165 15.1);

Tailwind

colors: {
  custom: {
    50: '#c66a72',
    500: '#a4223d',
    950: '#000000',
  },
}

SCSS

$custom: #a4223d;
$custom-light: #c66a72;
$custom-dark: #000000;

JSON

{
  "hex": "#a4223d",
  "rgb": {
    "r": 164,
    "g": 34,
    "b": 61
  },
  "hsl": {
    "h": 347.538,
    "s": 65.657,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47512,
    "c": 0.16467,
    "h": 15.1
  },
  "luminance": 0.09373
}

Semantic roles & 50–950 ramp

primary

#A4223D

secondary

#5EC4AE

accent

#E9C53F

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A4223D

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

Preview Lab → · Contrast checker → · Palette generator →