#A13743#A13743

#A13743 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.140 H 17.3°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX#A13743
RGBrgb(161, 55, 67)
HSLhsl(353, 49%, 42%)
HSVhsv(353, 66%, 63%)
CMYKcmyk(0%, 65.8%, 58.4%, 36.9%)
CIE-LABlab(39.10, 44.65, 16.92)
CIE-LCHlch(39.10, 47.75, 20.76°)
OKLaboklab(49.23% 0.1336 0.0417)
OKLCHoklch(49.23% 0.14 17.3)
XYZxyz(17.0788, 10.7170, 6.4783)
Luminance0.1071 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A13743 #37A195
analogous
#A13778 #A13743 #A16037
triadic
#A13743 #43A137 #3743A1
tetradic
#A13743 #78A137 #37A195 #6037A1
square
#A13743 #78A137 #37A195 #6037A1
split-complementary
#A13743 #37A160 #3778A1
monochromatic
#46181D #732730 #A13743 #C4515E #D37F89

Accessibility & contrast

On white

6.68
#A13743 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#A13743 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13743
6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A13743#FFFFFF#000000##FFFFFF
##A137431.006.683.146.68
#FFFFFF6.681.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#514E43
Deuteranopia (green-blind)
#6C6440
Tritanopia (blue-blind)
#B0223C
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a13743;
/* rgb */ color: rgb(161, 55, 67);
/* oklch */ color: oklch(49.2% 0.140 17.3);
Tailwind
colors: {
  custom: {
    50: '#c37477',
    500: '#a13743',
    950: '#000000',
  },
}
SCSS
$custom: #a13743;
$custom-light: #c37477;
$custom-dark: #000000;
JSON
{
  "hex": "#a13743",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 67
  },
  "hsl": {
    "h": 353.208,
    "s": 49.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49233,
    "c": 0.13996,
    "h": 17.3
  },
  "luminance": 0.10715
}

Semantic roles & 50–950 ramp

primary
#A13743
secondary
#77BDB5
accent
#D9C94F
background
#FCF7F7
surface
#F9EDED
border
#D2C8C8
text
#140808
muted
#827B7B

Preview Lab

Preview with #A13743

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

Preview Lab → · Contrast checker → · Palette generator →

#A13743 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva