#A33E2D#A33E2D

#A33E2D is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.1% C 0.138 H 31.8°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#A33E2D
RGB	rgb(163, 62, 45)
HSL	hsl(9, 57%, 41%)
HSV	hsv(9, 72%, 64%)
CMYK	cmyk(0%, 62%, 72.4%, 36.1%)
CIE-LAB	lab(40.28, 40.77, 31.82)
CIE-LCH	lch(40.28, 51.72, 37.98°)
OKLab	oklab(50.07% 0.1169 0.0724)
OKLCH	oklch(50.07% 0.138 31.8)
XYZ	xyz(17.3023, 11.4236, 3.7760)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33E2D #2D92A3

analogous

#A32D57 #A33E2D #A3792D

triadic

#A33E2D #2DA33E #3E2DA3

tetradic

#A33E2D #57A32D #2D92A3 #792DA3

square

#A33E2D #57A32D #2D92A3 #792DA3

split-complementary

#A33E2D #2DA379 #2D57A3

monochromatic

#431A13 #732C20 #A33E2D #CB5642 #D88172

Accessibility & contrast

On white

6.39

#A33E2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A33E2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33E2D

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33E2D	#FFFFFF	#000000	##FFFFFF
##A33E2D	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A512B

Deuteranopia (green-blind)

#73672A

Tritanopia (blue-blind)

#B3273A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33e2d;
/* rgb */ color: rgb(163, 62, 45);
/* oklch */ color: oklch(50.1% 0.138 31.8);

Tailwind

colors: {
  custom: {
    50: '#c57766',
    500: '#a33e2d',
    950: '#000000',
  },
}

SCSS

$custom: #a33e2d;
$custom-light: #c57766;
$custom-dark: #000000;

JSON

{
  "hex": "#a33e2d",
  "rgb": {
    "r": 163,
    "g": 62,
    "b": 45
  },
  "hsl": {
    "h": 8.644,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50074,
    "c": 0.13751,
    "h": 31.8
  },
  "luminance": 0.11421
}

Semantic roles & 50–950 ramp

primary

#A33E2D

secondary

#6CB4C0

accent

#CAE048

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33E2D

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

Preview Lab → · Contrast checker → · Palette generator →