#A13D37#A13D37

#A13D37 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.8% C 0.134 H 26.5°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX#A13D37
RGBrgb(161, 61, 55)
HSLhsl(3, 49%, 42%)
HSVhsv(3, 66%, 63%)
CMYKcmyk(0%, 62.1%, 65.8%, 36.9%)
CIE-LABlab(39.90, 41.07, 25.36)
CIE-LCHlch(39.90, 48.27, 31.70°)
OKLaboklab(49.77% 0.1201 0.0599)
OKLCHoklch(49.77% 0.134 26.5)
XYZxyz(17.0579, 11.1927, 4.8758)
Luminance0.1119 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A13D37 #379BA1
analogous
#A13766 #A13D37 #A17237
triadic
#A13D37 #37A13D #3D37A1
tetradic
#A13D37 #66A137 #379BA1 #7237A1
square
#A13D37 #66A137 #379BA1 #7237A1
split-complementary
#A13D37 #37A172 #3766A1
monochromatic
#461A18 #732C27 #A13D37 #C45851 #D3847F

Accessibility & contrast

On white

6.49
#A13D37 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.24
#A13D37 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13D37
6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A13D37#FFFFFF#000000##FFFFFF
##A13D371.006.493.246.49
#FFFFFF6.491.0021.001.00
#0000003.2421.001.0021.00
##FFFFFF6.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#575136
Deuteranopia (green-blind)
#706634
Tritanopia (blue-blind)
#B1283C
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #a13d37;
/* rgb */ color: rgb(161, 61, 55);
/* oklch */ color: oklch(49.8% 0.134 26.5);
Tailwind
colors: {
  custom: {
    50: '#c3776e',
    500: '#a13d37',
    950: '#000000',
  },
}
SCSS
$custom: #a13d37;
$custom-light: #c3776e;
$custom-dark: #000000;
JSON
{
  "hex": "#a13d37",
  "rgb": {
    "r": 161,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 3.396,
    "s": 49.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49765,
    "c": 0.1342,
    "h": 26.5
  },
  "luminance": 0.1119
}

Semantic roles & 50–950 ramp

primary
#A13D37
secondary
#77B9BD
accent
#D1D94F
background
#FCF7F6
surface
#F9EDEB
border
#D2C8C6
text
#140907
muted
#827B7A

Preview Lab

Preview with #A13D37

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

Preview Lab → · Contrast checker → · Palette generator →

#A13D37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva