#A43821#A43821

#A43821 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.147 H 33.7°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX#A43821
RGBrgb(164, 56, 33)
HSLhsl(11, 66%, 39%)
HSVhsv(11, 80%, 64%)
CMYKcmyk(0%, 65.9%, 79.9%, 35.7%)
CIE-LABlab(39.30, 43.36, 37.50)
CIE-LCHlch(39.30, 57.33, 40.85°)
OKLaboklab(49.32% 0.1225 0.0816)
OKLCHoklch(49.32% 0.147 33.7)
XYZxyz(17.0004, 10.8331, 2.6344)
Luminance0.1083 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A43821 #218DA4
analogous
#A4214C #A43821 #A47921
triadic
#A43821 #21A438 #3821A4
tetradic
#A43821 #4CA421 #218DA4 #7921A4
square
#A43821 #4CA421 #218DA4 #7921A4
split-complementary
#A43821 #21A479 #214CA4
monochromatic
#3E150C #712717 #A43821 #D54B2D #DF7760

Accessibility & contrast

On white

6.63
#A43821 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.17
#A43821 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43821
6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A43821#FFFFFF#000000##FFFFFF
##A438211.006.633.176.63
#FFFFFF6.631.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574D1E
Deuteranopia (green-blind)
#72651D
Tritanopia (blue-blind)
#B51934
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #a43821;
/* rgb */ color: rgb(164, 56, 33);
/* oklch */ color: oklch(49.3% 0.147 33.7);
Tailwind
colors: {
  custom: {
    50: '#c7745e',
    500: '#a43821',
    950: '#000000',
  },
}
SCSS
$custom: #a43821;
$custom-light: #c7745e;
$custom-dark: #000000;
JSON
{
  "hex": "#a43821",
  "rgb": {
    "r": 164,
    "g": 56,
    "b": 33
  },
  "hsl": {
    "h": 10.534,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49321,
    "c": 0.14719,
    "h": 33.7
  },
  "luminance": 0.10831
}

Semantic roles & 50–950 ramp

primary
#A43821
secondary
#5DB2C4
accent
#CBE93E
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150804
muted
#837B79

Preview Lab

Preview with #A43821

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

Preview Lab → · Contrast checker → · Palette generator →

#A43821 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva