#A03521#A03521

#A03521 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.3% C 0.146 H 32.7°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX#A03521
RGBrgb(160, 53, 33)
HSLhsl(9, 66%, 38%)
HSVhsv(9, 79%, 63%)
CMYKcmyk(0%, 66.9%, 79.4%, 37.3%)
CIE-LABlab(38.08, 43.25, 36.02)
CIE-LCHlch(38.08, 56.29, 39.79°)
OKLaboklab(48.27% 0.1226 0.0788)
OKLCHoklch(48.27% 0.146 32.7)
XYZxyz(16.0466, 10.1319, 2.5493)
Luminance0.1013 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A03521 #218CA0
analogous
#A0214C #A03521 #A07421
triadic
#A03521 #21A035 #3521A0
tetradic
#A03521 #4CA021 #218CA0 #7421A0
square
#A03521 #4CA021 #218CA0 #7421A0
split-complementary
#A03521 #21A074 #214CA0
monochromatic
#3B130C #6D2417 #A03521 #D3462B #DE725E

Accessibility & contrast

On white

6.94
#A03521 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.03
#A03521 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03521
6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A03521#FFFFFF#000000##FFFFFF
##A035211.006.943.036.94
#FFFFFF6.941.0021.001.00
#0000003.0321.001.0021.00
##FFFFFF6.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544B1E
Deuteranopia (green-blind)
#6E621D
Tritanopia (blue-blind)
#B01631
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a03521;
/* rgb */ color: rgb(160, 53, 33);
/* oklch */ color: oklch(48.3% 0.146 32.7);
Tailwind
colors: {
  custom: {
    50: '#c4725e',
    500: '#a03521',
    950: '#000000',
  },
}
SCSS
$custom: #a03521;
$custom-light: #c4725e;
$custom-dark: #000000;
JSON
{
  "hex": "#a03521",
  "rgb": {
    "r": 160,
    "g": 53,
    "b": 33
  },
  "hsl": {
    "h": 9.449,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.48268,
    "c": 0.14568,
    "h": 32.7
  },
  "luminance": 0.1013
}

Semantic roles & 50–950 ramp

primary
#A03521
secondary
#5BB2C2
accent
#CEE93F
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A03521

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

Preview Lab → · Contrast checker → · Palette generator →

#A03521 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva