#393DBB#393DBB

#393DBB is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.193 H 273.9°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX#393DBB
RGBrgb(57, 61, 187)
HSLhsl(238, 53%, 48%)
HSVhsv(238, 70%, 73%)
CMYKcmyk(69.5%, 67.4%, 0%, 26.7%)
CIE-LABlab(33.55, 39.48, -66.63)
CIE-LCHlch(33.55, 77.45, 300.65°)
OKLaboklab(44.35% 0.0131 -0.1925)
OKLCHoklch(44.35% 0.193 273.9)
XYZxyz(12.3227, 7.7940, 47.8591)
Luminance0.0780 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#393DBB #BBB739
analogous
#397EBB #393DBB #7639BB
triadic
#393DBB #BB393D #3DBB39
tetradic
#393DBB #BB397E #BBB739 #39BB76
square
#393DBB #BB397E #BBB739 #39BB76
split-complementary
#393DBB #BB7639 #7EBB39
monochromatic
#1C1E5D #2B2E8C #393DBB #6265CF #9193DD

Accessibility & contrast

On white

8.21
#393DBB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#393DBB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #393DBB
8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##393DBB#FFFFFF#000000##FFFFFF
##393DBB1.008.212.568.21
#FFFFFF8.211.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055BF
Deuteranopia (green-blind)
#0049B9
Tritanopia (blue-blind)
#005F77
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #393dbb;
/* rgb */ color: rgb(57, 61, 187);
/* oklch */ color: oklch(44.3% 0.193 273.9);
Tailwind
colors: {
  custom: {
    50: '#8173d1',
    500: '#393dbb',
    950: '#000000',
  },
}
SCSS
$custom: #393dbb;
$custom-light: #8173d1;
$custom-dark: #000000;
JSON
{
  "hex": "#393dbb",
  "rgb": {
    "r": 57,
    "g": 61,
    "b": 187
  },
  "hsl": {
    "h": 238.154,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44345,
    "c": 0.19295,
    "h": 273.9
  },
  "luminance": 0.07795
}

Semantic roles & 50–950 ramp

primary
#393DBB
secondary
#C8C687
accent
#D84BDD
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #393DBB

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

Preview Lab → · Contrast checker → · Palette generator →

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