#A33A20#A33A20

#A33A20 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.4% C 0.144 H 35.0°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#A33A20
RGB	rgb(163, 58, 32)
HSL	hsl(12, 67%, 38%)
HSV	hsv(12, 80%, 64%)
CMYK	cmyk(0%, 64.4%, 80.4%, 36.1%)
CIE-LAB	lab(39.44, 42.06, 38.11)
CIE-LCH	lch(39.44, 56.76, 42.18°)
OKLab	oklab(49.4% 0.1184 0.0828)
OKLCH	oklch(49.4% 0.144 35)
XYZ	xyz(16.8799, 10.9194, 2.5850)
Luminance	0.1092 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33A20 #2089A3

analogous

#A32048 #A33A20 #A37B20

triadic

#A33A20 #20A33A #3A20A3

tetradic

#A33A20 #48A320 #2089A3 #7B20A3

square

#A33A20 #48A320 #2089A3 #7B20A3

split-complementary

#A33A20 #20A37B #2048A3

monochromatic

#3D160C #702816 #A33A20 #D54D2B #DF785E

Accessibility & contrast

On white

6.60

#A33A20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#A33A20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33A20

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33A20	#FFFFFF	#000000	##FFFFFF
##A33A20	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1C

Deuteranopia (green-blind)

#72661C

Tritanopia (blue-blind)

#B41E35

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33a20;
/* rgb */ color: rgb(163, 58, 32);
/* oklch */ color: oklch(49.4% 0.144 35.0);

Tailwind

colors: {
  custom: {
    50: '#c6755d',
    500: '#a33a20',
    950: '#000000',
  },
}

SCSS

$custom: #a33a20;
$custom-light: #c6755d;
$custom-dark: #000000;

JSON

{
  "hex": "#a33a20",
  "rgb": {
    "r": 163,
    "g": 58,
    "b": 32
  },
  "hsl": {
    "h": 11.908,
    "s": 67.179,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49395,
    "c": 0.14443,
    "h": 35
  },
  "luminance": 0.10917
}

Semantic roles & 50–950 ramp

primary

#A33A20

secondary

#5BAFC4

accent

#C8EA3E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A33A20

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

Preview Lab → · Contrast checker → · Palette generator →