#A03431#A03431

#A03431 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.4% C 0.144 H 25.7°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#A03431
RGBrgb(160, 52, 49)
HSLhsl(2, 53%, 41%)
HSVhsv(2, 69%, 63%)
CMYKcmyk(0%, 67.5%, 69.4%, 37.3%)
CIE-LABlab(38.12, 44.42, 26.78)
CIE-LCHlch(38.12, 51.87, 31.08°)
OKLaboklab(48.36% 0.1295 0.0622)
OKLCHoklch(48.36% 0.144 25.7)
XYZxyz(16.2813, 10.1536, 4.0077)
Luminance0.1015 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A03431 #319DA0
analogous
#A03165 #A03431 #A06B31
triadic
#A03431 #31A034 #3431A0
tetradic
#A03431 #65A031 #319DA0 #6B31A0
square
#A03431 #65A031 #319DA0 #6B31A0
split-complementary
#A03431 #31A06B #3165A0
monochromatic
#421614 #712523 #A03431 #C74B47 #D57976

Accessibility & contrast

On white

6.93
#A03431 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.03
#A03431 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03431
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A03431#FFFFFF#000000##FFFFFF
##A034311.006.933.036.93
#FFFFFF6.931.0021.001.00
#0000003.0321.001.0021.00
##FFFFFF6.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524B30
Deuteranopia (green-blind)
#6D622E
Tritanopia (blue-blind)
#B01834
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a03431;
/* rgb */ color: rgb(160, 52, 49);
/* oklch */ color: oklch(48.4% 0.144 25.7);
Tailwind
colors: {
  custom: {
    50: '#c37269',
    500: '#a03431',
    950: '#000000',
  },
}
SCSS
$custom: #a03431;
$custom-light: #c37269;
$custom-dark: #000000;
JSON
{
  "hex": "#a03431",
  "rgb": {
    "r": 160,
    "g": 52,
    "b": 49
  },
  "hsl": {
    "h": 1.622,
    "s": 53.11,
    "l": 40.98
  },
  "oklch": {
    "l": 0.4836,
    "c": 0.14372,
    "h": 25.7
  },
  "luminance": 0.10151
}

Semantic roles & 50–950 ramp

primary
#A03431
secondary
#70BBBD
accent
#D9DD4B
background
#FCF7F6
surface
#F9EDEB
border
#D2C8C6
text
#140806
muted
#827B7A

Preview Lab

Preview with #A03431

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

Preview Lab → · Contrast checker → · Palette generator →

#A03431 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva