#A13727#A13727

#A13727 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.144 H 31.3°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX#A13727
RGBrgb(161, 55, 39)
HSLhsl(8, 61%, 39%)
HSVhsv(8, 76%, 63%)
CMYKcmyk(0%, 65.8%, 75.8%, 36.9%)
CIE-LABlab(38.65, 42.97, 33.34)
CIE-LCHlch(38.65, 54.39, 37.81°)
OKLaboklab(48.75% 0.1228 0.0745)
OKLCHoklch(48.75% 0.144 31.3)
XYZxyz(16.4321, 10.4583, 3.0725)
Luminance0.1046 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A13727 #2791A1
analogous
#A12754 #A13727 #A17427
triadic
#A13727 #27A137 #3727A1
tetradic
#A13727 #54A127 #2791A1 #7427A1
square
#A13727 #54A127 #2791A1 #7427A1
split-complementary
#A13727 #27A174 #2754A1
monochromatic
#3E150F #70261B #A13727 #CE4B37 #DA7768

Accessibility & contrast

On white

6.79
#A13727 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.09
#A13727 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13727
6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A13727#FFFFFF#000000##FFFFFF
##A137271.006.793.096.79
#FFFFFF6.791.0021.001.00
#0000003.0921.001.0021.00
##FFFFFF6.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554C25
Deuteranopia (green-blind)
#6F6423
Tritanopia (blue-blind)
#B11A34
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a13727;
/* rgb */ color: rgb(161, 55, 39);
/* oklch */ color: oklch(48.8% 0.144 31.3);
Tailwind
colors: {
  custom: {
    50: '#c47362',
    500: '#a13727',
    950: '#000000',
  },
}
SCSS
$custom: #a13727;
$custom-light: #c47362;
$custom-dark: #000000;
JSON
{
  "hex": "#a13727",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 39
  },
  "hsl": {
    "h": 7.869,
    "s": 61,
    "l": 39.216
  },
  "oklch": {
    "l": 0.48754,
    "c": 0.1436,
    "h": 31.3
  },
  "luminance": 0.10456
}

Semantic roles & 50–950 ramp

primary
#A13727
secondary
#63B4C0
accent
#CFE444
background
#FDF7F5
surface
#FAEDEA
border
#D3C8C6
text
#140805
muted
#837B79

Preview Lab

Preview with #A13727

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

Preview Lab → · Contrast checker → · Palette generator →

#A13727 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva