#383FBF#383FBF

#383FBF is a dark, vivid blue. Relative luminance 0.082; OKLCH L 45.0% C 0.196 H 273.0°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX#383FBF
RGBrgb(56, 63, 191)
HSLhsl(237, 55%, 48%)
HSVhsv(237, 71%, 75%)
CMYKcmyk(70.7%, 67%, 0%, 25.1%)
CIE-LABlab(34.31, 39.51, -67.75)
CIE-LCHlch(34.31, 78.43, 300.25°)
OKLaboklab(44.99% 0.0102 -0.1958)
OKLCHoklch(44.99% 0.196 273)
XYZxyz(12.8092, 8.1561, 50.1793)
Luminance0.0816 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#383FBF #BFB838
analogous
#3882BF #383FBF #7438BF
triadic
#383FBF #BF383F #3FBF38
tetradic
#383FBF #BF3882 #BFB838 #38BF74
square
#383FBF #BF3882 #BFB838 #38BF74
split-complementary
#383FBF #BF7438 #82BF38
monochromatic
#1C2060 #2A2F90 #383FBF #6369D1 #9296DF

Accessibility & contrast

On white

7.98
#383FBF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#383FBF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FBF
7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##383FBF#FFFFFF#000000##FFFFFF
##383FBF1.007.982.637.98
#FFFFFF7.981.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057C3
Deuteranopia (green-blind)
#004ABD
Tritanopia (blue-blind)
#006179
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #383fbf;
/* rgb */ color: rgb(56, 63, 191);
/* oklch */ color: oklch(45.0% 0.196 273.0);
Tailwind
colors: {
  custom: {
    50: '#8174d3',
    500: '#383fbf',
    950: '#000000',
  },
}
SCSS
$custom: #383fbf;
$custom-light: #8174d3;
$custom-dark: #000000;
JSON
{
  "hex": "#383fbf",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 191
  },
  "hsl": {
    "h": 236.889,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44988,
    "c": 0.19606,
    "h": 273
  },
  "luminance": 0.08157
}

Semantic roles & 50–950 ramp

primary
#383FBF
secondary
#CAC789
accent
#D64ADE
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #383FBF

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

Preview Lab → · Contrast checker → · Palette generator →

#383FBF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva