#A33328#A33328

#A33328 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.6% C 0.149 H 29.2°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#A33328
RGB	rgb(163, 51, 40)
HSL	hsl(5, 61%, 40%)
HSV	hsv(5, 75%, 64%)
CMYK	cmyk(0%, 68.7%, 75.5%, 36.1%)
CIE-LAB	lab(38.39, 45.44, 32.59)
CIE-LCH	lch(38.39, 55.92, 35.64°)
OKLab	oklab(48.63% 0.1305 0.073)
OKLCH	oklch(48.63% 0.15 29.2)
XYZ	xyz(16.6729, 10.3098, 3.1191)
Luminance	0.1031 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33328 #2898A3

analogous

#A3285A #A33328 #A37128

triadic

#A33328 #28A333 #3328A3

tetradic

#A33328 #5AA328 #2898A3 #7128A3

square

#A33328 #5AA328 #2898A3 #7128A3

split-complementary

#A33328 #28A371 #285AA3

monochromatic

#411410 #72241C #A33328 #CF473A #DB756B

Accessibility & contrast

On white

6.86

#A33328 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#A33328 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33328

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33328	#FFFFFF	#000000	##FFFFFF
##A33328	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B26

Deuteranopia (green-blind)

#6F6324

Tritanopia (blue-blind)

#B31031

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a33328;
/* rgb */ color: rgb(163, 51, 40);
/* oklch */ color: oklch(48.6% 0.149 29.2);

Tailwind

colors: {
  custom: {
    50: '#c67162',
    500: '#a33328',
    950: '#000000',
  },
}

SCSS

$custom: #a33328;
$custom-light: #c67162;
$custom-dark: #000000;

JSON

{
  "hex": "#a33328",
  "rgb": {
    "r": 163,
    "g": 51,
    "b": 40
  },
  "hsl": {
    "h": 5.366,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48631,
    "c": 0.1495,
    "h": 29.2
  },
  "luminance": 0.10307
}

Semantic roles & 50–950 ramp

primary

#A33328

secondary

#66B9C1

accent

#D5E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A33328

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

Preview Lab → · Contrast checker → · Palette generator →