#A3333E#A3333E

#A3333E is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.147 H 18.9°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#A3333E
RGB	rgb(163, 51, 62)
HSL	hsl(354, 52%, 42%)
HSV	hsv(354, 69%, 64%)
CMYK	cmyk(0%, 68.7%, 62%, 36.1%)
CIE-LAB	lab(38.73, 46.67, 19.64)
CIE-LCH	lch(38.73, 50.63, 22.82°)
OKLab	oklab(49% 0.1389 0.0476)
OKLCH	oklch(49% 0.147 18.9)
XYZ	xyz(17.1593, 10.5044, 5.6805)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3333E #33A398

analogous

#A33376 #A3333E #A36033

triadic

#A3333E #3EA333 #333EA3

tetradic

#A3333E #76A333 #33A398 #6033A3

square

#A3333E #76A333 #33A398 #6033A3

split-complementary

#A3333E #33A360 #3376A3

monochromatic

#46161B #74242C #A3333E #C74C58 #D67B84

Accessibility & contrast

On white

6.77

#A3333E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A3333E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3333E

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3333E	#FFFFFF	#000000	##FFFFFF
##A3333E	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504C3E

Deuteranopia (green-blind)

#6D643B

Tritanopia (blue-blind)

#B31838

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a3333e;
/* rgb */ color: rgb(163, 51, 62);
/* oklch */ color: oklch(49.0% 0.147 18.9);

Tailwind

colors: {
  custom: {
    50: '#c57273',
    500: '#a3333e',
    950: '#000000',
  },
}

SCSS

$custom: #a3333e;
$custom-light: #c57273;
$custom-dark: #000000;

JSON

{
  "hex": "#a3333e",
  "rgb": {
    "r": 163,
    "g": 51,
    "b": 62
  },
  "hsl": {
    "h": 354.107,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48995,
    "c": 0.14684,
    "h": 18.9
  },
  "luminance": 0.10502
}

Semantic roles & 50–950 ramp

primary

#A3333E

secondary

#73BEB7

accent

#DCCE4C

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140808

muted

#827B7B

Preview Lab

Preview with #A3333E

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

Preview Lab → · Contrast checker → · Palette generator →