#A3241A#A3241A

#A3241A is a mid, vivid red. Relative luminance 0.091; OKLCH L 47.0% C 0.165 H 29.3°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#A3241A
RGB	rgb(163, 36, 26)
HSL	hsl(4, 72%, 37%)
HSV	hsv(4, 84%, 64%)
CMYK	cmyk(0%, 77.9%, 84%, 36.1%)
CIE-LAB	lab(36.22, 50.53, 38.17)
CIE-LCH	lch(36.22, 63.32, 37.06°)
OKLab	oklab(46.97% 0.1436 0.0807)
OKLCH	oklch(46.97% 0.165 29.3)
XYZ	xyz(15.9235, 9.1254, 1.9000)
Luminance	0.0912 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3241A #1A99A3

analogous

#A31A54 #A3241A #A3691A

triadic

#A3241A #1AA324 #241AA3

tetradic

#A3241A #54A31A #1A99A3 #691AA3

square

#A3241A #54A31A #1A99A3 #691AA3

split-complementary

#A3241A #1AA369 #1A54A3

monochromatic

#390D09 #6E1812 #A3241A #D83022 #E45E54

Accessibility & contrast

On white

7.43

#A3241A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#A3241A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3241A

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3241A	#FFFFFF	#000000	##FFFFFF
##A3241A	1.00	7.43	2.82	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4317

Deuteranopia (green-blind)

#6B5F13

Tritanopia (blue-blind)

#B40023

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a3241a;
/* rgb */ color: rgb(163, 36, 26);
/* oklch */ color: oklch(47.0% 0.165 29.3);

Tailwind

colors: {
  custom: {
    50: '#c86a58',
    500: '#a3241a',
    950: '#000000',
  },
}

SCSS

$custom: #a3241a;
$custom-light: #c86a58;
$custom-dark: #000000;

JSON

{
  "hex": "#a3241a",
  "rgb": {
    "r": 163,
    "g": 36,
    "b": 26
  },
  "hsl": {
    "h": 4.38,
    "s": 72.487,
    "l": 37.059
  },
  "oklch": {
    "l": 0.46966,
    "c": 0.16471,
    "h": 29.3
  },
  "luminance": 0.09123
}

Semantic roles & 50–950 ramp

primary

#A3241A

secondary

#52BEC7

accent

#E2EF39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A3241A

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

Preview Lab → · Contrast checker → · Palette generator →