#A03E21#A03E21

#A03E21 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.4% C 0.137 H 36.8°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX#A03E21
RGBrgb(160, 62, 33)
HSLhsl(14, 66%, 38%)
HSVhsv(14, 79%, 63%)
CMYKcmyk(0%, 61.2%, 79.4%, 37.3%)
CIE-LABlab(39.63, 39.11, 37.60)
CIE-LCHlch(39.63, 54.25, 43.88°)
OKLaboklab(49.44% 0.1097 0.0822)
OKLCHoklch(49.44% 0.137 36.8)
XYZxyz(16.4961, 11.0309, 2.6991)
Luminance0.1103 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A03E21 #2183A0
analogous
#A02143 #A03E21 #A07D21
triadic
#A03E21 #21A03E #3E21A0
tetradic
#A03E21 #43A021 #2183A0 #7D21A0
square
#A03E21 #43A021 #2183A0 #7D21A0
split-complementary
#A03E21 #21A07D #2143A0
monochromatic
#3B170C #6D2A17 #A03E21 #D3522B #DE7B5E

Accessibility & contrast

On white

6.55
#A03E21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#A03E21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03E21
6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A03E21#FFFFFF#000000##FFFFFF
##A03E211.006.553.216.55
#FFFFFF6.551.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A501D
Deuteranopia (green-blind)
#72661E
Tritanopia (blue-blind)
#B02638
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #a03e21;
/* rgb */ color: rgb(160, 62, 33);
/* oklch */ color: oklch(49.4% 0.137 36.8);
Tailwind
colors: {
  custom: {
    50: '#c4775e',
    500: '#a03e21',
    950: '#000000',
  },
}
SCSS
$custom: #a03e21;
$custom-light: #c4775e;
$custom-dark: #000000;
JSON
{
  "hex": "#a03e21",
  "rgb": {
    "r": 160,
    "g": 62,
    "b": 33
  },
  "hsl": {
    "h": 13.701,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.49439,
    "c": 0.1371,
    "h": 36.8
  },
  "luminance": 0.11029
}

Semantic roles & 50–950 ramp

primary
#A03E21
secondary
#5BABC2
accent
#C2E93F
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140904
muted
#837B79

Preview Lab

Preview with #A03E21

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

Preview Lab → · Contrast checker → · Palette generator →

#A03E21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva