#A33C28#A33C28

#A33C28 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.7% C 0.141 H 32.9°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#A33C28
RGB	rgb(163, 60, 40)
HSL	hsl(10, 61%, 40%)
HSV	hsv(10, 75%, 64%)
CMYK	cmyk(0%, 63.2%, 75.5%, 36.1%)
CIE-LAB	lab(39.87, 41.47, 34.21)
CIE-LCH	lch(39.87, 53.75, 39.52°)
OKLab	oklab(49.74% 0.1181 0.0765)
OKLCH	oklch(49.74% 0.141 32.9)
XYZ	xyz(17.1049, 11.1738, 3.2631)
Luminance	0.1117 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33C28 #288FA3

analogous

#A32852 #A33C28 #A37928

triadic

#A33C28 #28A33C #3C28A3

tetradic

#A33C28 #52A328 #288FA3 #7928A3

square

#A33C28 #52A328 #288FA3 #7928A3

split-complementary

#A33C28 #28A379 #2852A3

monochromatic

#411810 #722A1C #A33C28 #CF523A #DB7D6B

Accessibility & contrast

On white

6.49

#A33C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A33C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33C28

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33C28	#FFFFFF	#000000	##FFFFFF
##A33C28	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595025

Deuteranopia (green-blind)

#726625

Tritanopia (blue-blind)

#B32338

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33c28;
/* rgb */ color: rgb(163, 60, 40);
/* oklch */ color: oklch(49.7% 0.141 32.9);

Tailwind

colors: {
  custom: {
    50: '#c67663',
    500: '#a33c28',
    950: '#000000',
  },
}

SCSS

$custom: #a33c28;
$custom-light: #c67663;
$custom-dark: #000000;

JSON

{
  "hex": "#a33c28",
  "rgb": {
    "r": 163,
    "g": 60,
    "b": 40
  },
  "hsl": {
    "h": 9.756,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49743,
    "c": 0.14068,
    "h": 32.9
  },
  "luminance": 0.11171
}

Semantic roles & 50–950 ramp

primary

#A33C28

secondary

#66B2C1

accent

#CAE444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A33C28

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

Preview Lab → · Contrast checker → · Palette generator →