#901931#901931

#901931 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.8% C 0.153 H 16.2°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX#901931
RGBrgb(144, 25, 49)
HSLhsl(348, 70%, 33%)
HSVhsv(348, 83%, 56%)
CMYKcmyk(0%, 82.6%, 66%, 43.5%)
CIE-LABlab(31.46, 49.06, 17.79)
CIE-LCHlch(31.46, 52.19, 19.93°)
OKLaboklab(42.84% 0.1465 0.0427)
OKLCHoklch(42.84% 0.153 16.2)
XYZxyz(12.4050, 6.8482, 3.5738)
Luminance0.0685 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#901931 #199078
analogous
#90196C #901931 #903C19
triadic
#901931 #319019 #193190
tetradic
#901931 #6C9019 #199078 #3C1990
square
#901931 #6C9019 #199078 #3C1990
split-complementary
#901931 #19903C #196C90
monochromatic
#28070E #5C101F #901931 #C42243 #DF4564

Accessibility & contrast

On white

8.86
#901931 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#901931 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901931
8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##901931#FFFFFF#000000##FFFFFF
##9019311.008.862.378.86
#FFFFFF8.861.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D3A31
Deuteranopia (green-blind)
#5B532E
Tritanopia (blue-blind)
#9E0024
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #901931;
/* rgb */ color: rgb(144, 25, 49);
/* oklch */ color: oklch(42.8% 0.153 16.2);
Tailwind
colors: {
  custom: {
    50: '#b86368',
    500: '#901931',
    950: '#000000',
  },
}
SCSS
$custom: #901931;
$custom-light: #b86368;
$custom-dark: #000000;
JSON
{
  "hex": "#901931",
  "rgb": {
    "r": 144,
    "g": 25,
    "b": 49
  },
  "hsl": {
    "h": 347.899,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42837,
    "c": 0.15258,
    "h": 16.2
  },
  "luminance": 0.06846
}

Semantic roles & 50–950 ramp

primary
#901931
secondary
#45C0A7
accent
#EDC93B
background
#FCF6F6
surface
#F8EBEB
border
#D1C6C6
text
#130606
muted
#827A7A

Preview Lab

Preview with #901931

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

Preview Lab → · Contrast checker → · Palette generator →

#901931 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva