#A33928#A33928

#A33928 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.4% C 0.144 H 31.6°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#A33928
RGB	rgb(163, 57, 40)
HSL	hsl(8, 61%, 40%)
HSV	hsv(8, 75%, 64%)
CMYK	cmyk(0%, 65%, 75.5%, 36.1%)
CIE-LAB	lab(39.36, 42.84, 33.65)
CIE-LCH	lch(39.36, 54.47, 38.15°)
OKLab	oklab(49.36% 0.1223 0.0753)
OKLCH	oklch(49.36% 0.144 31.6)
XYZ	xyz(16.9522, 10.8684, 3.2122)
Luminance	0.1087 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33928 #2892A3

analogous

#A32854 #A33928 #A37728

triadic

#A33928 #28A339 #3928A3

tetradic

#A33928 #54A328 #2892A3 #7728A3

square

#A33928 #54A328 #2892A3 #7728A3

split-complementary

#A33928 #28A377 #2854A3

monochromatic

#411710 #72281C #A33928 #CF4E3A #DB7A6B

Accessibility & contrast

On white

6.62

#A33928 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A33928 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33928

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33928	#FFFFFF	#000000	##FFFFFF
##A33928	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E25

Deuteranopia (green-blind)

#716524

Tritanopia (blue-blind)

#B31D36

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33928;
/* rgb */ color: rgb(163, 57, 40);
/* oklch */ color: oklch(49.4% 0.144 31.6);

Tailwind

colors: {
  custom: {
    50: '#c67563',
    500: '#a33928',
    950: '#000000',
  },
}

SCSS

$custom: #a33928;
$custom-light: #c67563;
$custom-dark: #000000;

JSON

{
  "hex": "#a33928",
  "rgb": {
    "r": 163,
    "g": 57,
    "b": 40
  },
  "hsl": {
    "h": 8.293,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49356,
    "c": 0.14364,
    "h": 31.6
  },
  "luminance": 0.10866
}

Semantic roles & 50–950 ramp

primary

#A33928

secondary

#66B4C1

accent

#CEE444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A33928

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

Preview Lab → · Contrast checker → · Palette generator →