#A03531#A03531

#A03531 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.143 H 26.1°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX#A03531
RGBrgb(160, 53, 49)
HSLhsl(2, 53%, 41%)
HSVhsv(2, 69%, 63%)
CMYKcmyk(0%, 66.9%, 69.4%, 37.3%)
CIE-LABlab(38.28, 43.99, 26.97)
CIE-LCHlch(38.28, 51.60, 31.51°)
OKLaboklab(48.48% 0.1282 0.0627)
OKLCHoklch(48.48% 0.143 26.1)
XYZxyz(16.3264, 10.2439, 4.0227)
Luminance0.1024 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A03531 #319CA0
analogous
#A03164 #A03531 #A06C31
triadic
#A03531 #31A035 #3531A0
tetradic
#A03531 #64A031 #319CA0 #6C31A0
square
#A03531 #64A031 #319CA0 #6C31A0
split-complementary
#A03531 #31A06C #3164A0
monochromatic
#421614 #712523 #A03531 #C74C47 #D57A76

Accessibility & contrast

On white

6.89
#A03531 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.05
#A03531 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03531
6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A03531#FFFFFF#000000##FFFFFF
##A035311.006.893.056.89
#FFFFFF6.891.0021.001.00
#0000003.0521.001.0021.00
##FFFFFF6.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524B30
Deuteranopia (green-blind)
#6D632E
Tritanopia (blue-blind)
#B01A35
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a03531;
/* rgb */ color: rgb(160, 53, 49);
/* oklch */ color: oklch(48.5% 0.143 26.1);
Tailwind
colors: {
  custom: {
    50: '#c37269',
    500: '#a03531',
    950: '#000000',
  },
}
SCSS
$custom: #a03531;
$custom-light: #c37269;
$custom-dark: #000000;
JSON
{
  "hex": "#a03531",
  "rgb": {
    "r": 160,
    "g": 53,
    "b": 49
  },
  "hsl": {
    "h": 2.162,
    "s": 53.11,
    "l": 40.98
  },
  "oklch": {
    "l": 0.4848,
    "c": 0.14268,
    "h": 26.1
  },
  "luminance": 0.10242
}

Semantic roles & 50–950 ramp

primary
#A03531
secondary
#70BABD
accent
#D7DD4B
background
#FCF7F6
surface
#F9EDEB
border
#D2C8C6
text
#140806
muted
#827B7A

Preview Lab

Preview with #A03531

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

Preview Lab → · Contrast checker → · Palette generator →

#A03531 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva