#280A37#280A37

#280A37 is a very dark, moderate purple. Relative luminance 0.009; OKLCH L 22.2% C 0.086 H 312.0°. Best body text is #FFFFFF at 17.66:1 contrast (WCAG AA passes).

Color values

HEX#280A37
RGBrgb(40, 10, 55)
HSLhsl(280, 69%, 13%)
HSVhsv(280, 82%, 22%)
CMYKcmyk(27.3%, 81.8%, 0%, 78.4%)
CIE-LABlab(8.52, 24.39, -22.56)
CIE-LCHlch(8.52, 33.22, 317.24°)
OKLaboklab(22.21% 0.0573 -0.0637)
OKLCHoklch(22.21% 0.086 312)
XYZxyz(1.6731, 0.9441, 3.7078)
Luminance0.0094 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#280A37 #19370A
analogous
#110A37 #280A37 #370A2F
triadic
#280A37 #37280A #0A3728
tetradic
#280A37 #37110A #19370A #0A2F37
square
#280A37 #37110A #19370A #0A2F37
split-complementary
#280A37 #2F370A #0A3711
monochromatic
#13051A #13051A #280A37 #4E136B #731D9F

Accessibility & contrast

On white

17.66
#280A37 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#280A37 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280A37
17.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##280A37#FFFFFF#000000##FFFFFF
##280A371.0017.661.1917.66
#FFFFFF17.661.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001738
Deuteranopia (green-blind)
#061936
Tritanopia (blue-blind)
#26141F
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #280a37;
/* rgb */ color: rgb(40, 10, 55);
/* oklch */ color: oklch(22.2% 0.086 312.0);
Tailwind
colors: {
  custom: {
    50: '#644c6e',
    500: '#280a37',
    950: '#000000',
  },
}
SCSS
$custom: #280a37;
$custom-light: #644c6e;
$custom-dark: #000000;
JSON
{
  "hex": "#280a37",
  "rgb": {
    "r": 40,
    "g": 10,
    "b": 55
  },
  "hsl": {
    "h": 280,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.22211,
    "c": 0.08571,
    "h": 312
  },
  "luminance": 0.00944
}

Semantic roles & 50–950 ramp

primary
#280A37
secondary
#427428
accent
#EC3C77
background
#F6F4F6
surface
#EBE7EC
border
#C6C3C7
text
#050107
muted
#7A777A

Preview Lab

Preview with #280A37

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

Preview Lab → · Contrast checker → · Palette generator →

#280A37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva