#387ADF#387ADF

#387ADF is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.0% C 0.168 H 258.9°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#387ADF
RGBrgb(56, 122, 223)
HSLhsl(216, 72%, 55%)
HSVhsv(216, 75%, 87%)
CMYKcmyk(74.9%, 45.3%, 0%, 12.5%)
CIE-LABlab(51.93, 13.74, -57.53)
CIE-LCHlch(51.93, 59.15, 283.43°)
OKLaboklab(58.98% -0.0325 -0.165)
OKLCHoklch(58.98% 0.168 258.9)
XYZxyz(21.9048, 20.0850, 72.5201)
Luminance0.2009 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387ADF #DF9D38
analogous
#38CEDF #387ADF #4938DF
triadic
#387ADF #DF387A #7ADF38
tetradic
#387ADF #DF38CE #DF9D38 #38DF49
square
#387ADF #DF38CE #DF9D38 #38DF49
split-complementary
#387ADF #DF4938 #CEDF38
monochromatic
#164287 #1E5CBC #387ADF #6D9DE7 #A1C0F0

Accessibility & contrast

On white

4.19
#387ADF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.02
#387ADF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387ADF
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387ADF#FFFFFF#000000##000000
##387ADF1.004.195.025.02
#FFFFFF4.191.0021.0021.00
#0000005.0221.001.001.00
##0000005.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#4584E3
Deuteranopia (green-blind)
#1F75DD
Tritanopia (blue-blind)
#0092A2
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #387adf;
/* rgb */ color: rgb(56, 122, 223);
/* oklch */ color: oklch(59.0% 0.168 258.9);
Tailwind
colors: {
  custom: {
    50: '#859fe9',
    500: '#387adf',
    950: '#000000',
  },
}
SCSS
$custom: #387adf;
$custom-light: #859fe9;
$custom-dark: #000000;
JSON
{
  "hex": "#387adf",
  "rgb": {
    "r": 56,
    "g": 122,
    "b": 223
  },
  "hsl": {
    "h": 216.287,
    "s": 72.294,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58982,
    "c": 0.16814,
    "h": 258.9
  },
  "luminance": 0.20088
}

Semantic roles & 50–950 ramp

primary
#387ADF
secondary
#DDC196
accent
#A739EF
background
#F8F9FE
surface
#F0F2FD
border
#CBCCD5
text
#0D0E16
muted
#7D7E84

Preview Lab

Preview with #387ADF

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

Preview Lab → · Contrast checker → · Palette generator →

#387ADF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva