#A3213E#A3213E

#A3213E is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.3% C 0.165 H 14.3°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#A3213E
RGB	rgb(163, 33, 62)
HSL	hsl(347, 66%, 38%)
HSV	hsv(347, 80%, 64%)
CMYK	cmyk(0%, 79.8%, 62%, 36.1%)
CIE-LAB	lab(36.41, 53.11, 16.58)
CIE-LCH	lch(36.41, 55.64, 17.34°)
OKLab	oklab(47.27% 0.1596 0.0405)
OKLCH	oklch(47.27% 0.165 14.3)
XYZ	xyz(16.5193, 9.2245, 5.4672)
Luminance	0.0922 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3213E #21A386

analogous

#A3217F #A3213E #A34521

triadic

#A3213E #3EA321 #213EA3

tetradic

#A3213E #7FA321 #21A386 #4521A3

square

#A3213E #7FA321 #21A386 #4521A3

split-complementary

#A3213E #21A345 #217FA3

monochromatic

#3D0C17 #70172B #A3213E #D42D52 #DF607C

Accessibility & contrast

On white

7.38

#A3213E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#A3213E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3213E

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3213E	#FFFFFF	#000000	##FFFFFF
##A3213E	1.00	7.38	2.84	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46453E

Deuteranopia (green-blind)

#675F3A

Tritanopia (blue-blind)

#B3002E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a3213e;
/* rgb */ color: rgb(163, 33, 62);
/* oklch */ color: oklch(47.3% 0.165 14.3);

Tailwind

colors: {
  custom: {
    50: '#c56a73',
    500: '#a3213e',
    950: '#000000',
  },
}

SCSS

$custom: #a3213e;
$custom-light: #c56a73;
$custom-dark: #000000;

JSON

{
  "hex": "#a3213e",
  "rgb": {
    "r": 163,
    "g": 33,
    "b": 62
  },
  "hsl": {
    "h": 346.615,
    "s": 66.327,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47272,
    "c": 0.16463,
    "h": 14.3
  },
  "luminance": 0.09222
}

Semantic roles & 50–950 ramp

primary

#A3213E

secondary

#5CC3AC

accent

#E9C33F

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140708

muted

#837A7B

Preview Lab

Preview with #A3213E

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

Preview Lab → · Contrast checker → · Palette generator →