#A33C20#A33C20

#A33C20 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.143 H 35.9°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#A33C20
RGB	rgb(163, 60, 32)
HSL	hsl(13, 67%, 38%)
HSV	hsv(13, 80%, 64%)
CMYK	cmyk(0%, 63.2%, 80.4%, 36.1%)
CIE-LAB	lab(39.79, 41.14, 38.45)
CIE-LCH	lch(39.79, 56.32, 43.07°)
OKLab	oklab(49.66% 0.1155 0.0835)
OKLCH	oklch(49.66% 0.143 35.9)
XYZ	xyz(16.9827, 11.1249, 2.6193)
Luminance	0.1112 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33C20 #2087A3

analogous

#A32046 #A33C20 #A37D20

triadic

#A33C20 #20A33C #3C20A3

tetradic

#A33C20 #46A320 #2087A3 #7D20A3

square

#A33C20 #46A320 #2087A3 #7D20A3

split-complementary

#A33C20 #20A37D #2046A3

monochromatic

#3D160C #702916 #A33C20 #D54F2B #DF7A5E

Accessibility & contrast

On white

6.51

#A33C20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A33C20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33C20

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33C20	#FFFFFF	#000000	##FFFFFF
##A33C20	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F1C

Deuteranopia (green-blind)

#73661C

Tritanopia (blue-blind)

#B42136

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33c20;
/* rgb */ color: rgb(163, 60, 32);
/* oklch */ color: oklch(49.7% 0.143 35.9);

Tailwind

colors: {
  custom: {
    50: '#c6765e',
    500: '#a33c20',
    950: '#000000',
  },
}

SCSS

$custom: #a33c20;
$custom-light: #c6765e;
$custom-dark: #000000;

JSON

{
  "hex": "#a33c20",
  "rgb": {
    "r": 163,
    "g": 60,
    "b": 32
  },
  "hsl": {
    "h": 12.824,
    "s": 67.179,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49655,
    "c": 0.14255,
    "h": 35.9
  },
  "luminance": 0.11123
}

Semantic roles & 50–950 ramp

primary

#A33C20

secondary

#5BADC4

accent

#C5EA3E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A33C20

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

Preview Lab → · Contrast checker → · Palette generator →