#A4223F#A4223F

#A4223F is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.165 H 14.1°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#A4223F
RGB	rgb(164, 34, 63)
HSL	hsl(347, 66%, 39%)
HSV	hsv(347, 79%, 64%)
CMYK	cmyk(0%, 79.3%, 61.6%, 35.7%)
CIE-LAB	lab(36.74, 53.17, 16.41)
CIE-LCH	lch(36.74, 55.65, 17.15°)
OKLab	oklab(47.56% 0.1598 0.0402)
OKLCH	oklch(47.56% 0.165 14.1)
XYZ	xyz(16.7808, 9.3980, 5.6320)
Luminance	0.0940 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4223F #22A487

analogous

#A42280 #A4223F #A44622

triadic

#A4223F #3FA422 #223FA4

tetradic

#A4223F #80A422 #22A487 #4622A4

square

#A4223F #80A422 #22A487 #4622A4

split-complementary

#A4223F #22A446 #2280A4

monochromatic

#3F0D18 #71172C #A4223F #D42F54 #DE627E

Accessibility & contrast

On white

7.29

#A4223F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A4223F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4223F

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4223F	#FFFFFF	#000000	##FFFFFF
##A4223F	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47453F

Deuteranopia (green-blind)

#68603C

Tritanopia (blue-blind)

#B4002F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a4223f;
/* rgb */ color: rgb(164, 34, 63);
/* oklch */ color: oklch(47.6% 0.165 14.1);

Tailwind

colors: {
  custom: {
    50: '#c66a73',
    500: '#a4223f',
    950: '#000000',
  },
}

SCSS

$custom: #a4223f;
$custom-light: #c66a73;
$custom-dark: #000000;

JSON

{
  "hex": "#a4223f",
  "rgb": {
    "r": 164,
    "g": 34,
    "b": 63
  },
  "hsl": {
    "h": 346.615,
    "s": 65.657,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47555,
    "c": 0.16477,
    "h": 14.1
  },
  "luminance": 0.09395
}

Semantic roles & 50–950 ramp

primary

#A4223F

secondary

#5EC4AD

accent

#E9C33F

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140708

muted

#837A7B

Preview Lab

Preview with #A4223F

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

Preview Lab → · Contrast checker → · Palette generator →