#A43B21#A43B21

#A43B21 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.144 H 35.0°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX#A43B21
RGBrgb(164, 59, 33)
HSLhsl(12, 66%, 39%)
HSVhsv(12, 80%, 64%)
CMYKcmyk(0%, 64%, 79.9%, 35.7%)
CIE-LABlab(39.80, 42.01, 38.00)
CIE-LCHlch(39.80, 56.65, 42.13°)
OKLaboklab(49.7% 0.1183 0.0828)
OKLCHoklch(49.7% 0.144 35)
XYZxyz(17.1502, 11.1327, 2.6843)
Luminance0.1113 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A43B21 #218AA4
analogous
#A42149 #A43B21 #A47C21
triadic
#A43B21 #21A43B #3B21A4
tetradic
#A43B21 #49A421 #218AA4 #7C21A4
square
#A43B21 #49A421 #218AA4 #7C21A4
split-complementary
#A43B21 #21A47C #2149A4
monochromatic
#3E160C #712917 #A43B21 #D54F2D #DF7960

Accessibility & contrast

On white

6.51
#A43B21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.23
#A43B21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43B21
6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A43B21#FFFFFF#000000##FFFFFF
##A43B211.006.513.236.51
#FFFFFF6.511.0021.001.00
#0000003.2321.001.0021.00
##FFFFFF6.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594F1D
Deuteranopia (green-blind)
#73661D
Tritanopia (blue-blind)
#B51F36
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #a43b21;
/* rgb */ color: rgb(164, 59, 33);
/* oklch */ color: oklch(49.7% 0.144 35.0);
Tailwind
colors: {
  custom: {
    50: '#c7765e',
    500: '#a43b21',
    950: '#000000',
  },
}
SCSS
$custom: #a43b21;
$custom-light: #c7765e;
$custom-dark: #000000;
JSON
{
  "hex": "#a43b21",
  "rgb": {
    "r": 164,
    "g": 59,
    "b": 33
  },
  "hsl": {
    "h": 11.908,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49701,
    "c": 0.14436,
    "h": 35
  },
  "luminance": 0.1113
}

Semantic roles & 50–950 ramp

primary
#A43B21
secondary
#5DAFC4
accent
#C7E93E
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140904
muted
#837B79

Preview Lab

Preview with #A43B21

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

Preview Lab → · Contrast checker → · Palette generator →

#A43B21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva