#A33E2A#A33E2A

#A33E2A is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.0% C 0.138 H 33.1°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#A33E2A
RGB	rgb(163, 62, 42)
HSL	hsl(10, 59%, 40%)
HSV	hsv(10, 74%, 64%)
CMYK	cmyk(0%, 62%, 74.2%, 36.1%)
CIE-LAB	lab(40.25, 40.62, 33.49)
CIE-LCH	lch(40.25, 52.65, 39.51°)
OKLab	oklab(50.03% 0.1158 0.0754)
OKLCH	oklch(50.03% 0.138 33.1)
XYZ	xyz(17.2466, 11.4013, 3.4826)
Luminance	0.1140 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33E2A #2A8FA3

analogous

#A32A53 #A33E2A #A37A2A

triadic

#A33E2A #2AA33E #3E2AA3

tetradic

#A33E2A #53A32A #2A8FA3 #7A2AA3

square

#A33E2A #53A32A #2A8FA3 #7A2AA3

split-complementary

#A33E2A #2AA37A #2A53A3

monochromatic

#421911 #722B1D #A33E2A #CD553D #DA806E

Accessibility & contrast

On white

6.40

#A33E2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A33E2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33E2A

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33E2A	#FFFFFF	#000000	##FFFFFF
##A33E2A	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)

#5A5127

Deuteranopia (green-blind)

#736727

Tritanopia (blue-blind)

#B3263A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33e2a;
/* rgb */ color: rgb(163, 62, 42);
/* oklch */ color: oklch(50.0% 0.138 33.1);

Tailwind

colors: {
  custom: {
    50: '#c57764',
    500: '#a33e2a',
    950: '#000000',
  },
}

SCSS

$custom: #a33e2a;
$custom-light: #c57764;
$custom-dark: #000000;

JSON

{
  "hex": "#a33e2a",
  "rgb": {
    "r": 163,
    "g": 62,
    "b": 42
  },
  "hsl": {
    "h": 9.917,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50034,
    "c": 0.13822,
    "h": 33.1
  },
  "luminance": 0.11399
}

Semantic roles & 50–950 ramp

primary

#A33E2A

secondary

#68B2C0

accent

#C8E246

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140905

muted

#837B7A

Preview Lab

Preview with #A33E2A

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

Preview Lab → · Contrast checker → · Palette generator →