#281D93#281D93

#281D93 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.4% C 0.180 H 275.4°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX#281D93
RGBrgb(40, 29, 147)
HSLhsl(246, 67%, 35%)
HSVhsv(246, 80%, 58%)
CMYKcmyk(72.8%, 80.3%, 0%, 42.4%)
CIE-LABlab(21.71, 42.75, -62.03)
CIE-LCHlch(21.71, 75.34, 304.57°)
OKLaboklab(34.39% 0.017 -0.1794)
OKLCHoklch(34.39% 0.18 275.4)
XYZxyz(6.5792, 3.4358, 27.9146)
Luminance0.0344 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#281D93 #88931D
analogous
#1D4D93 #281D93 #631D93
triadic
#281D93 #93281D #1D9328
tetradic
#281D93 #931D4D #88931D #1D9363
square
#281D93 #931D4D #88931D #1D9363
split-complementary
#281D93 #93631D #4D931D
monochromatic
#0C092D #1A1360 #281D93 #3627C6 #5B4EDC

Accessibility & contrast

On white

12.45
#281D93 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.69
#281D93 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D93
12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##281D93#FFFFFF#000000##FFFFFF
##281D931.0012.451.6912.45
#FFFFFF12.451.0021.001.00
#0000001.6921.001.0021.00
##FFFFFF12.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003996
Deuteranopia (green-blind)
#002F91
Tritanopia (blue-blind)
#004158
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #281d93;
/* rgb */ color: rgb(40, 29, 147);
/* oklch */ color: oklch(34.4% 0.180 275.4);
Tailwind
colors: {
  custom: {
    50: '#745cb4',
    500: '#281d93',
    950: '#000000',
  },
}
SCSS
$custom: #281d93;
$custom-light: #745cb4;
$custom-dark: #000000;
JSON
{
  "hex": "#281d93",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 147
  },
  "hsl": {
    "h": 245.593,
    "s": 67.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34389,
    "c": 0.18017,
    "h": 275.4
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary
#281D93
secondary
#B4BF4D
accent
#EA3EDA
background
#F7F5FB
surface
#EEE9F6
border
#C9C5D0
text
#0A0411
muted
#7C7980

Preview Lab

Preview with #281D93

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

Preview Lab → · Contrast checker → · Palette generator →

#281D93 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva