#A33F2D#A33F2D

#A33F2D is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.137 H 32.3°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#A33F2D
RGB	rgb(163, 63, 45)
HSL	hsl(9, 57%, 41%)
HSV	hsv(9, 72%, 64%)
CMYK	cmyk(0%, 61.3%, 72.4%, 36.1%)
CIE-LAB	lab(40.46, 40.29, 32.03)
CIE-LCH	lch(40.46, 51.47, 38.48°)
OKLab	oklab(50.21% 0.1154 0.0729)
OKLCH	oklch(50.21% 0.137 32.3)
XYZ	xyz(17.3572, 11.5334, 3.7943)
Luminance	0.1153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33F2D #2D91A3

analogous

#A32D56 #A33F2D #A37A2D

triadic

#A33F2D #2DA33F #3F2DA3

tetradic

#A33F2D #56A32D #2D91A3 #7A2DA3

square

#A33F2D #56A32D #2D91A3 #7A2DA3

split-complementary

#A33F2D #2DA37A #2D56A3

monochromatic

#431A13 #732C20 #A33F2D #CB5742 #D88272

Accessibility & contrast

On white

6.35

#A33F2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A33F2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33F2D

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33F2D	#FFFFFF	#000000	##FFFFFF
##A33F2D	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522B

Deuteranopia (green-blind)

#73682A

Tritanopia (blue-blind)

#B3283B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33f2d;
/* rgb */ color: rgb(163, 63, 45);
/* oklch */ color: oklch(50.2% 0.137 32.3);

Tailwind

colors: {
  custom: {
    50: '#c57867',
    500: '#a33f2d',
    950: '#000000',
  },
}

SCSS

$custom: #a33f2d;
$custom-light: #c57867;
$custom-dark: #000000;

JSON

{
  "hex": "#a33f2d",
  "rgb": {
    "r": 163,
    "g": 63,
    "b": 45
  },
  "hsl": {
    "h": 9.153,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50209,
    "c": 0.1365,
    "h": 32.3
  },
  "luminance": 0.11531
}

Semantic roles & 50–950 ramp

primary

#A33F2D

secondary

#6CB3C0

accent

#C9E048

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33F2D

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

Preview Lab → · Contrast checker → · Palette generator →