#A33820#A33820

#A33820 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.1% C 0.146 H 34.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#A33820
RGB	rgb(163, 56, 32)
HSL	hsl(11, 67%, 38%)
HSV	hsv(11, 80%, 64%)
CMYK	cmyk(0%, 65.6%, 80.4%, 36.1%)
CIE-LAB	lab(39.11, 42.97, 37.78)
CIE-LCH	lch(39.11, 57.21, 41.32°)
OKLab	oklab(49.14% 0.1212 0.082)
OKLCH	oklch(49.14% 0.146 34.1)
XYZ	xyz(16.7810, 10.7216, 2.5521)
Luminance	0.1072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33820 #208BA3

analogous

#A3204A #A33820 #A37920

triadic

#A33820 #20A338 #3820A3

tetradic

#A33820 #4AA320 #208BA3 #7920A3

square

#A33820 #4AA320 #208BA3 #7920A3

split-complementary

#A33820 #20A379 #204AA3

monochromatic

#3D150C #702616 #A33820 #D54A2B #DF765E

Accessibility & contrast

On white

6.68

#A33820 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A33820 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33820

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33820	#FFFFFF	#000000	##FFFFFF
##A33820	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D1C

Deuteranopia (green-blind)

#71651C

Tritanopia (blue-blind)

#B41A33

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33820;
/* rgb */ color: rgb(163, 56, 32);
/* oklch */ color: oklch(49.1% 0.146 34.1);

Tailwind

colors: {
  custom: {
    50: '#c6745d',
    500: '#a33820',
    950: '#000000',
  },
}

SCSS

$custom: #a33820;
$custom-light: #c6745d;
$custom-dark: #000000;

JSON

{
  "hex": "#a33820",
  "rgb": {
    "r": 163,
    "g": 56,
    "b": 32
  },
  "hsl": {
    "h": 10.992,
    "s": 67.179,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49141,
    "c": 0.14631,
    "h": 34.1
  },
  "luminance": 0.10719
}

Semantic roles & 50–950 ramp

primary

#A33820

secondary

#5BB1C4

accent

#CAEA3E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A33820

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

Preview Lab → · Contrast checker → · Palette generator →