#A33940#A33940

#A33940 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.140 H 20.0°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A33940
RGB	rgb(163, 57, 64)
HSL	hsl(356, 48%, 43%)
HSV	hsv(356, 65%, 64%)
CMYK	cmyk(0%, 65%, 60.7%, 36.1%)
CIE-LAB	lab(39.72, 44.23, 19.68)
CIE-LCH	lch(39.72, 48.41, 23.99°)
OKLab	oklab(49.75% 0.1315 0.0479)
OKLCH	oklch(49.75% 0.14 20)
XYZ	xyz(17.4944, 11.0853, 6.0679)
Luminance	0.1108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33940 #39A39C

analogous

#A33975 #A33940 #A36739

triadic

#A33940 #40A339 #3940A3

tetradic

#A33940 #75A339 #39A39C #6739A3

square

#A33940 #75A339 #39A39C #6739A3

split-complementary

#A33940 #39A367 #3975A3

monochromatic

#48191C #76292E #A33940 #C4555D #D48388

Accessibility & contrast

On white

6.53

#A33940 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A33940 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33940

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33940	#FFFFFF	#000000	##FFFFFF
##A33940	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F40

Deuteranopia (green-blind)

#6F663D

Tritanopia (blue-blind)

#B2233C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33940;
/* rgb */ color: rgb(163, 57, 64);
/* oklch */ color: oklch(49.7% 0.140 20.0);

Tailwind

colors: {
  custom: {
    50: '#c47574',
    500: '#a33940',
    950: '#000000',
  },
}

SCSS

$custom: #a33940;
$custom-light: #c47574;
$custom-dark: #000000;

JSON

{
  "hex": "#a33940",
  "rgb": {
    "r": 163,
    "g": 57,
    "b": 64
  },
  "hsl": {
    "h": 356.038,
    "s": 48.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49748,
    "c": 0.13996,
    "h": 20
  },
  "luminance": 0.11083
}

Semantic roles & 50–950 ramp

primary

#A33940

secondary

#7ABDB9

accent

#D8CF50

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A33940

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

Preview Lab → · Contrast checker → · Palette generator →