#503C40#503C40

#503C40 is a dark, muted red. Relative luminance 0.053; OKLCH L 37.9% C 0.029 H 5.2°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX#503C40
RGBrgb(80, 60, 64)
HSLhsl(348, 14%, 27%)
HSVhsv(348, 25%, 31%)
CMYKcmyk(0%, 25%, 20%, 68.6%)
CIE-LABlab(27.59, 9.50, 0.94)
CIE-LCHlch(27.59, 9.55, 5.63°)
OKLaboklab(37.94% 0.0287 0.0026)
OKLCHoklch(37.94% 0.029 5.2)
XYZxyz(5.8496, 5.3076, 5.5658)
Luminance0.0531 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#503C40 #3C504C
analogous
#503C4A #503C40 #50423C
triadic
#503C40 #40503C #3C4050
tetradic
#503C40 #4A503C #3C504C #423C50
square
#503C40 #4A503C #3C504C #423C50
split-complementary
#503C40 #3C5042 #3C4A50
monochromatic
#110D0E #2D2224 #503C40 #73565C #957279

Accessibility & contrast

On white

10.19
#503C40 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#503C40 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #503C40
10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##503C40#FFFFFF#000000##FFFFFF
##503C401.0010.192.0610.19
#FFFFFF10.191.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F3F40
Deuteranopia (green-blind)
#434240
Tritanopia (blue-blind)
#543B3D
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #503c40;
/* rgb */ color: rgb(80, 60, 64);
/* oklch */ color: oklch(37.9% 0.029 5.2);
Tailwind
colors: {
  custom: {
    50: '#817174',
    500: '#503c40',
    950: '#000000',
  },
}
SCSS
$custom: #503c40;
$custom-light: #817174;
$custom-dark: #000000;
JSON
{
  "hex": "#503c40",
  "rgb": {
    "r": 80,
    "g": 60,
    "b": 64
  },
  "hsl": {
    "h": 348,
    "s": 14.286,
    "l": 27.451
  },
  "oklch": {
    "l": 0.37944,
    "c": 0.02877,
    "h": 5.2
  },
  "luminance": 0.05307
}

Semantic roles & 50–950 ramp

primary
#503C40
secondary
#687F7B
accent
#B7A971
background
#F7F6F7
surface
#EEECED
border
#C9C7C8
text
#0A0708
muted
#7C7A7B

Preview Lab

Preview with #503C40

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

Preview Lab → · Contrast checker → · Palette generator →

#503C40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva