#A1373F#A1373F

#A1373F is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.1% C 0.140 H 19.6°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX#A1373F
RGBrgb(161, 55, 63)
HSLhsl(355, 49%, 42%)
HSVhsv(355, 66%, 63%)
CMYKcmyk(0%, 65.8%, 60.9%, 36.9%)
CIE-LABlab(39.02, 44.35, 19.32)
CIE-LCHlch(39.02, 48.38, 23.53°)
OKLaboklab(49.15% 0.132 0.047)
OKLCHoklch(49.15% 0.14 19.6)
XYZxyz(16.9629, 10.6706, 5.8681)
Luminance0.1067 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1373F #37A199
analogous
#A13774 #A1373F #A16437
triadic
#A1373F #3FA137 #373FA1
tetradic
#A1373F #74A137 #37A199 #6437A1
square
#A1373F #74A137 #37A199 #6437A1
split-complementary
#A1373F #37A164 #3774A1
monochromatic
#46181B #73272D #A1373F #C4515A #D37F85

Accessibility & contrast

On white

6.70
#A1373F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.13
#A1373F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1373F
6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1373F#FFFFFF#000000##FFFFFF
##A1373F1.006.703.136.70
#FFFFFF6.701.0021.001.00
#0000003.1321.001.0021.00
##FFFFFF6.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524E3F
Deuteranopia (green-blind)
#6D643C
Tritanopia (blue-blind)
#B0213B
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a1373f;
/* rgb */ color: rgb(161, 55, 63);
/* oklch */ color: oklch(49.1% 0.140 19.6);
Tailwind
colors: {
  custom: {
    50: '#c37474',
    500: '#a1373f',
    950: '#000000',
  },
}
SCSS
$custom: #a1373f;
$custom-light: #c37474;
$custom-dark: #000000;
JSON
{
  "hex": "#a1373f",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 63
  },
  "hsl": {
    "h": 355.472,
    "s": 49.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49148,
    "c": 0.14009,
    "h": 19.6
  },
  "luminance": 0.10668
}

Semantic roles & 50–950 ramp

primary
#A1373F
secondary
#77BDB7
accent
#D9CE4F
background
#FCF7F7
surface
#F9EDED
border
#D2C8C8
text
#140808
muted
#827B7B

Preview Lab

Preview with #A1373F

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

Preview Lab → · Contrast checker → · Palette generator →

#A1373F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva