#393DB3#393DB3

#393DB3 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.183 H 274.3°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX#393DB3
RGBrgb(57, 61, 179)
HSLhsl(238, 52%, 46%)
HSVhsv(238, 68%, 70%)
CMYKcmyk(68.2%, 65.9%, 0%, 29.8%)
CIE-LABlab(32.83, 36.74, -63.07)
CIE-LCHlch(32.83, 72.99, 300.22°)
OKLaboklab(43.61% 0.0139 -0.1821)
OKLCHoklch(43.61% 0.183 274.3)
XYZxyz(11.4901, 7.4610, 43.4737)
Luminance0.0746 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#393DB3 #B3AF39
analogous
#397AB3 #393DB3 #7239B3
triadic
#393DB3 #B3393D #3DB339
tetradic
#393DB3 #B3397A #B3AF39 #39B372
square
#393DB3 #B3397A #B3AF39 #39B372
split-complementary
#393DB3 #B37239 #7AB339
monochromatic
#1B1D56 #2A2D85 #393DB3 #5E61CC #8C8FDA

Accessibility & contrast

On white

8.43
#393DB3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.49
#393DB3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #393DB3
8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##393DB3#FFFFFF#000000##FFFFFF
##393DB31.008.432.498.43
#FFFFFF8.431.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053B7
Deuteranopia (green-blind)
#0048B1
Tritanopia (blue-blind)
#005C72
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #393db3;
/* rgb */ color: rgb(57, 61, 179);
/* oklch */ color: oklch(43.6% 0.183 274.3);
Tailwind
colors: {
  custom: {
    50: '#7f73cb',
    500: '#393db3',
    950: '#000000',
  },
}
SCSS
$custom: #393db3;
$custom-light: #7f73cb;
$custom-dark: #000000;
JSON
{
  "hex": "#393db3",
  "rgb": {
    "r": 57,
    "g": 61,
    "b": 179
  },
  "hsl": {
    "h": 238.033,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43605,
    "c": 0.18262,
    "h": 274.3
  },
  "luminance": 0.07462
}

Semantic roles & 50–950 ramp

primary
#393DB3
secondary
#C5C383
accent
#D64DDB
background
#F8F7FC
surface
#F0EDF9
border
#CBC8D2
text
#0B0813
muted
#7C7B82

Preview Lab

Preview with #393DB3

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

Preview Lab → · Contrast checker → · Palette generator →

#393DB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva