#A03751#A03751

#A03751 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.140 H 8.8°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#A03751
RGBrgb(160, 55, 81)
HSLhsl(345, 49%, 42%)
HSVhsv(345, 66%, 63%)
CMYKcmyk(0%, 65.6%, 49.4%, 37.3%)
CIE-LABlab(39.25, 45.51, 8.28)
CIE-LCHlch(39.25, 46.25, 10.31°)
OKLaboklab(49.41% 0.1383 0.0214)
OKLCHoklch(49.41% 0.14 8.8)
XYZxyz(17.3500, 10.8022, 8.9544)
Luminance0.1080 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A03751 #37A086
analogous
#A03786 #A03751 #A05237
triadic
#A03751 #51A037 #3751A0
tetradic
#A03751 #86A037 #37A086 #5237A0
square
#A03751 #86A037 #37A086 #5237A0
split-complementary
#A03751 #37A052 #3786A0
monochromatic
#451823 #72273A #A03751 #C3516D #D37F93

Accessibility & contrast

On white

6.65
#A03751 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#A03751 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03751
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A03751#FFFFFF#000000##FFFFFF
##A037511.006.653.166.65
#FFFFFF6.651.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E4F52
Deuteranopia (green-blind)
#6A644F
Tritanopia (blue-blind)
#AE2741
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a03751;
/* rgb */ color: rgb(160, 55, 81);
/* oklch */ color: oklch(49.4% 0.140 8.8);
Tailwind
colors: {
  custom: {
    50: '#c17481',
    500: '#a03751',
    950: '#000000',
  },
}
SCSS
$custom: #a03751;
$custom-light: #c17481;
$custom-dark: #000000;
JSON
{
  "hex": "#a03751",
  "rgb": {
    "r": 160,
    "g": 55,
    "b": 81
  },
  "hsl": {
    "h": 345.143,
    "s": 48.837,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49414,
    "c": 0.13993,
    "h": 8.8
  },
  "luminance": 0.108
}

Semantic roles & 50–950 ramp

primary
#A03751
secondary
#77BCAB
accent
#D8B64F
background
#FCF7F7
surface
#F8EDEE
border
#D1C8C9
text
#13090A
muted
#827B7C

Preview Lab

Preview with #A03751

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

Preview Lab → · Contrast checker → · Palette generator →

#A03751 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva