#A33B32#A33B32

#A33B32 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.140 H 28.1°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#A33B32
RGB	rgb(163, 59, 50)
HSL	hsl(5, 53%, 42%)
HSV	hsv(5, 69%, 64%)
CMYK	cmyk(0%, 63.8%, 69.3%, 36.1%)
CIE-LAB	lab(39.83, 42.43, 28.35)
CIE-LCH	lch(39.83, 51.03, 33.75°)
OKLab	oklab(49.75% 0.1231 0.0658)
OKLCH	oklch(49.75% 0.14 28.1)
XYZ	xyz(17.2457, 11.1471, 4.2605)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33B32 #329AA3

analogous

#A33262 #A33B32 #A37432

triadic

#A33B32 #32A33B #3B32A3

tetradic

#A33B32 #62A332 #329AA3 #7432A3

square

#A33B32 #62A332 #329AA3 #7432A3

split-complementary

#A33B32 #32A374 #3262A3

monochromatic

#451915 #742A24 #A33B32 #C8554B #D68179

Accessibility & contrast

On white

6.50

#A33B32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A33B32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33B32

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33B32	#FFFFFF	#000000	##FFFFFF
##A33B32	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575030

Deuteranopia (green-blind)

#71662F

Tritanopia (blue-blind)

#B3233A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33b32;
/* rgb */ color: rgb(163, 59, 50);
/* oklch */ color: oklch(49.8% 0.140 28.1);

Tailwind

colors: {
  custom: {
    50: '#c5766a',
    500: '#a33b32',
    950: '#000000',
  },
}

SCSS

$custom: #a33b32;
$custom-light: #c5766a;
$custom-dark: #000000;

JSON

{
  "hex": "#a33b32",
  "rgb": {
    "r": 163,
    "g": 59,
    "b": 50
  },
  "hsl": {
    "h": 4.779,
    "s": 53.052,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4975,
    "c": 0.13957,
    "h": 28.1
  },
  "luminance": 0.11145
}

Semantic roles & 50–950 ramp

primary

#A33B32

secondary

#72B8BF

accent

#D1DC4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33B32

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

Preview Lab → · Contrast checker → · Palette generator →