#A03818#A03818

#A03818 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.6% C 0.145 H 36.8°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX#A03818
RGBrgb(160, 56, 24)
HSLhsl(14, 74%, 36%)
HSVhsv(14, 85%, 63%)
CMYKcmyk(0%, 65%, 85%, 37.3%)
CIE-LABlab(38.50, 41.62, 41.03)
CIE-LCHlch(38.50, 58.44, 44.59°)
OKLaboklab(48.56% 0.1159 0.0867)
OKLCHoklch(48.56% 0.145 36.8)
XYZxyz(16.0781, 10.3702, 2.0190)
Luminance0.1037 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A03818 #1880A0
analogous
#A0183C #A03818 #A07C18
triadic
#A03818 #18A038 #3818A0
tetradic
#A03818 #3CA018 #1880A0 #7C18A0
square
#A03818 #3CA018 #1880A0 #7C18A0
split-complementary
#A03818 #18A07C #183CA0
monochromatic
#361308 #6B2510 #A03818 #D54B20 #E4714E

Accessibility & contrast

On white

6.83
#A03818 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.07
#A03818 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03818
6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A03818#FFFFFF#000000##FFFFFF
##A038181.006.833.076.83
#FFFFFF6.831.0021.001.00
#0000003.0721.001.0021.00
##FFFFFF6.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564C13
Deuteranopia (green-blind)
#706313
Tritanopia (blue-blind)
#B01A32
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a03818;
/* rgb */ color: rgb(160, 56, 24);
/* oklch */ color: oklch(48.6% 0.145 36.8);
Tailwind
colors: {
  custom: {
    50: '#c47358',
    500: '#a03818',
    950: '#000000',
  },
}
SCSS
$custom: #a03818;
$custom-light: #c47358;
$custom-dark: #000000;
JSON
{
  "hex": "#a03818",
  "rgb": {
    "r": 160,
    "g": 56,
    "b": 24
  },
  "hsl": {
    "h": 14.118,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.4856,
    "c": 0.14472,
    "h": 36.8
  },
  "luminance": 0.10368
}

Semantic roles & 50–950 ramp

primary
#A03818
secondary
#4DAAC6
accent
#C5F137
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140803
muted
#837B78

Preview Lab

Preview with #A03818

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

Preview Lab → · Contrast checker → · Palette generator →

#A03818 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva