#A03A1A#A03A1A

#A03A1A is a mid, vivid red. Relative luminance 0.106; OKLCH L 48.8% C 0.142 H 37.1°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#A03A1A
RGBrgb(160, 58, 26)
HSLhsl(14, 72%, 36%)
HSVhsv(14, 84%, 63%)
CMYKcmyk(0%, 63.8%, 83.8%, 37.3%)
CIE-LABlab(38.86, 40.76, 40.39)
CIE-LCHlch(38.86, 57.38, 44.74°)
OKLaboklab(48.84% 0.1136 0.086)
OKLCHoklch(48.84% 0.142 37.1)
XYZxyz(16.1985, 10.5766, 2.1656)
Luminance0.1057 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A03A1A #1A80A0
analogous
#A01A3D #A03A1A #A07D1A
triadic
#A03A1A #1AA03A #3A1AA0
tetradic
#A03A1A #3DA01A #1A80A0 #7D1AA0
square
#A03A1A #3DA01A #1A80A0 #7D1AA0
split-complementary
#A03A1A #1AA07D #1A3DA0
monochromatic
#371409 #6B2711 #A03A1A #D54D23 #E37452

Accessibility & contrast

On white

6.74
#A03A1A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.11
#A03A1A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03A1A
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A03A1A#FFFFFF#000000##FFFFFF
##A03A1A1.006.743.116.74
#FFFFFF6.741.0021.001.00
#0000003.1121.001.0021.00
##FFFFFF6.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574D15
Deuteranopia (green-blind)
#706415
Tritanopia (blue-blind)
#B01F34
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a03a1a;
/* rgb */ color: rgb(160, 58, 26);
/* oklch */ color: oklch(48.8% 0.142 37.1);
Tailwind
colors: {
  custom: {
    50: '#c4755a',
    500: '#a03a1a',
    950: '#000000',
  },
}
SCSS
$custom: #a03a1a;
$custom-light: #c4755a;
$custom-dark: #000000;
JSON
{
  "hex": "#a03a1a",
  "rgb": {
    "r": 160,
    "g": 58,
    "b": 26
  },
  "hsl": {
    "h": 14.328,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.48835,
    "c": 0.14247,
    "h": 37.1
  },
  "luminance": 0.10574
}

Semantic roles & 50–950 ramp

primary
#A03A1A
secondary
#50A9C5
accent
#C3EF39
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A03A1A

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

Preview Lab → · Contrast checker → · Palette generator →

#A03A1A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva