#A33E2C#A33E2C

#A33E2C is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.1% C 0.138 H 32.2°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#A33E2C
RGB	rgb(163, 62, 44)
HSL	hsl(9, 57%, 41%)
HSV	hsv(9, 73%, 64%)
CMYK	cmyk(0%, 62%, 73%, 36.1%)
CIE-LAB	lab(40.27, 40.72, 32.38)
CIE-LCH	lch(40.27, 52.02, 38.50°)
OKLab	oklab(50.06% 0.1165 0.0735)
OKLCH	oklch(50.06% 0.138 32.2)
XYZ	xyz(17.2833, 11.4160, 3.6758)
Luminance	0.1141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33E2C #2C91A3

analogous

#A32C55 #A33E2C #A37A2C

triadic

#A33E2C #2CA33E #3E2CA3

tetradic

#A33E2C #55A32C #2C91A3 #7A2CA3

square

#A33E2C #55A32C #2C91A3 #7A2CA3

split-complementary

#A33E2C #2CA37A #2C55A3

monochromatic

#431912 #732C1F #A33E2C #CC5641 #D98071

Accessibility & contrast

On white

6.40

#A33E2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A33E2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33E2C

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33E2C	#FFFFFF	#000000	##FFFFFF
##A33E2C	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A512A

Deuteranopia (green-blind)

#736729

Tritanopia (blue-blind)

#B3273A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33e2c;
/* rgb */ color: rgb(163, 62, 44);
/* oklch */ color: oklch(50.1% 0.138 32.2);

Tailwind

colors: {
  custom: {
    50: '#c57766',
    500: '#a33e2c',
    950: '#000000',
  },
}

SCSS

$custom: #a33e2c;
$custom-light: #c57766;
$custom-dark: #000000;

JSON

{
  "hex": "#a33e2c",
  "rgb": {
    "r": 163,
    "g": 62,
    "b": 44
  },
  "hsl": {
    "h": 9.076,
    "s": 57.488,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5006,
    "c": 0.13775,
    "h": 32.2
  },
  "luminance": 0.11414
}

Semantic roles & 50–950 ramp

primary

#A33E2C

secondary

#6BB3C0

accent

#C9E147

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33E2C

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

Preview Lab → · Contrast checker → · Palette generator →