#A33920#A33920

#A33920 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.145 H 34.5°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A33920
RGB	rgb(163, 57, 32)
HSL	hsl(11, 67%, 38%)
HSV	hsv(11, 80%, 64%)
CMYK	cmyk(0%, 65%, 80.4%, 36.1%)
CIE-LAB	lab(39.27, 42.52, 37.94)
CIE-LCH	lch(39.27, 56.99, 41.75°)
OKLab	oklab(49.27% 0.1198 0.0824)
OKLCH	oklch(49.27% 0.145 34.5)
XYZ	xyz(16.8300, 10.8195, 2.5684)
Luminance	0.1082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33920 #208AA3

analogous

#A32049 #A33920 #A37A20

triadic

#A33920 #20A339 #3920A3

tetradic

#A33920 #49A320 #208AA3 #7A20A3

square

#A33920 #49A320 #208AA3 #7A20A3

split-complementary

#A33920 #20A37A #2049A3

monochromatic

#3D150C #702716 #A33920 #D54B2B #DF775E

Accessibility & contrast

On white

6.64

#A33920 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A33920 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33920

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33920	#FFFFFF	#000000	##FFFFFF
##A33920	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E1C

Deuteranopia (green-blind)

#71651C

Tritanopia (blue-blind)

#B41C34

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33920;
/* rgb */ color: rgb(163, 57, 32);
/* oklch */ color: oklch(49.3% 0.145 34.5);

Tailwind

colors: {
  custom: {
    50: '#c6745d',
    500: '#a33920',
    950: '#000000',
  },
}

SCSS

$custom: #a33920;
$custom-light: #c6745d;
$custom-dark: #000000;

JSON

{
  "hex": "#a33920",
  "rgb": {
    "r": 163,
    "g": 57,
    "b": 32
  },
  "hsl": {
    "h": 11.45,
    "s": 67.179,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49267,
    "c": 0.14537,
    "h": 34.5
  },
  "luminance": 0.10817
}

Semantic roles & 50–950 ramp

primary

#A33920

secondary

#5BB0C4

accent

#C9EA3E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A33920

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

Preview Lab → · Contrast checker → · Palette generator →