#A5372A#A5372A

#A5372A is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.5% C 0.147 H 29.9°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX#A5372A
RGBrgb(165, 55, 42)
HSLhsl(6, 59%, 41%)
HSVhsv(6, 75%, 65%)
CMYKcmyk(0%, 66.7%, 74.5%, 35.3%)
CIE-LABlab(39.41, 44.52, 32.67)
CIE-LCHlch(39.41, 55.22, 36.27°)
OKLaboklab(49.47% 0.1278 0.0735)
OKLCHoklch(49.47% 0.147 29.9)
XYZxyz(17.3030, 10.9014, 3.3831)
Luminance0.1090 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A5372A #2A98A5
analogous
#A52A5B #A5372A #A5742A
triadic
#A5372A #2AA537 #372AA5
tetradic
#A5372A #5BA52A #2A98A5 #742AA5
square
#A5372A #5BA52A #2A98A5 #742AA5
split-complementary
#A5372A #2AA574 #2A5BA5
monochromatic
#431611 #74271E #A5372A #CE4D3E #DA7A6F

Accessibility & contrast

On white

6.60
#A5372A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.18
#A5372A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5372A
6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A5372A#FFFFFF#000000##FFFFFF
##A5372A1.006.603.186.60
#FFFFFF6.601.0021.001.00
#0000003.1821.001.0021.00
##FFFFFF6.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564E28
Deuteranopia (green-blind)
#716626
Tritanopia (blue-blind)
#B61935
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #a5372a;
/* rgb */ color: rgb(165, 55, 42);
/* oklch */ color: oklch(49.5% 0.147 29.9);
Tailwind
colors: {
  custom: {
    50: '#c77464',
    500: '#a5372a',
    950: '#000000',
  },
}
SCSS
$custom: #a5372a;
$custom-light: #c77464;
$custom-dark: #000000;
JSON
{
  "hex": "#a5372a",
  "rgb": {
    "r": 165,
    "g": 55,
    "b": 42
  },
  "hsl": {
    "h": 6.341,
    "s": 59.42,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49473,
    "c": 0.14742,
    "h": 29.9
  },
  "luminance": 0.10899
}

Semantic roles & 50–950 ramp

primary
#A5372A
secondary
#69B8C1
accent
#D2E345
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140805
muted
#837B7A

Preview Lab

Preview with #A5372A

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

Preview Lab → · Contrast checker → · Palette generator →

#A5372A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva