#A3272B#A3272B

#A3272B is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.4% C 0.160 H 24.3°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#A3272B
RGB	rgb(163, 39, 43)
HSL	hsl(358, 61%, 40%)
HSV	hsv(358, 76%, 64%)
CMYK	cmyk(0%, 76.1%, 73.6%, 36.1%)
CIE-LAB	lab(36.77, 50.15, 28.97)
CIE-LCH	lch(36.77, 57.92, 30.02°)
OKLab	oklab(47.43% 0.146 0.0658)
OKLCH	oklch(47.43% 0.16 24.3)
XYZ	xyz(16.2677, 9.4145, 3.2456)
Luminance	0.0941 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3272B #27A39F

analogous

#A32769 #A3272B #A36127

triadic

#A3272B #2BA327 #272BA3

tetradic

#A3272B #69A327 #27A39F #6127A3

square

#A3272B #69A327 #27A39F #6127A3

split-complementary

#A3272B #27A361 #2769A3

monochromatic

#400F11 #721B1E #A3272B #CF383D #DB696D

Accessibility & contrast

On white

7.29

#A3272B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A3272B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3272B

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3272B	#FFFFFF	#000000	##FFFFFF
##A3272B	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)

#4C452A

Deuteranopia (green-blind)

#6B6027

Tritanopia (blue-blind)

#B4002A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a3272b;
/* rgb */ color: rgb(163, 39, 43);
/* oklch */ color: oklch(47.4% 0.160 24.3);

Tailwind

colors: {
  custom: {
    50: '#c66c64',
    500: '#a3272b',
    950: '#000000',
  },
}

SCSS

$custom: #a3272b;
$custom-light: #c66c64;
$custom-dark: #000000;

JSON

{
  "hex": "#a3272b",
  "rgb": {
    "r": 163,
    "g": 39,
    "b": 43
  },
  "hsl": {
    "h": 358.065,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47432,
    "c": 0.16012,
    "h": 24.3
  },
  "luminance": 0.09412
}

Semantic roles & 50–950 ramp

primary

#A3272B

secondary

#64C1BE

accent

#E4DF43

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#140705

muted

#837A7A

Preview Lab

Preview with #A3272B

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

Preview Lab → · Contrast checker → · Palette generator →