#387BBC#387BBC

#387BBC is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.0% C 0.122 H 250.2°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX#387BBC
RGBrgb(56, 123, 188)
HSLhsl(210, 54%, 48%)
HSVhsv(210, 70%, 74%)
CMYKcmyk(70.2%, 34.6%, 0%, 26.3%)
CIE-LABlab(50.26, 0.40, -40.30)
CIE-LCHlch(50.26, 40.30, 270.57°)
OKLaboklab(57.04% -0.0411 -0.1144)
OKLCHoklch(57.04% 0.122 250.2)
XYZxyz(17.7876, 18.6356, 50.2268)
Luminance0.1864 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387BBC #BC7938
analogous
#38BCBB #387BBC #3839BC
triadic
#387BBC #BC387B #7BBC38
tetradic
#387BBC #BB38BC #BC7938 #39BC38
square
#387BBC #BB38BC #BC7938 #39BC38
split-complementary
#387BBC #BC3839 #BCBB38
monochromatic
#1C3D5E #2A5C8D #387BBC #6199D0 #90B8DE

Accessibility & contrast

On white

4.44
#387BBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.73
#387BBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387BBC
4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387BBC#FFFFFF#000000##000000
##387BBC1.004.444.734.73
#FFFFFF4.441.0021.0021.00
#0000004.7321.001.001.00
##0000004.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E7EBF
Deuteranopia (green-blind)
#4B72BB
Tritanopia (blue-blind)
#008A93
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #387bbc;
/* rgb */ color: rgb(56, 123, 188);
/* oklch */ color: oklch(57.0% 0.122 250.2);
Tailwind
colors: {
  custom: {
    50: '#7ea0d0',
    500: '#387bbc',
    950: '#000000',
  },
}
SCSS
$custom: #387bbc;
$custom-light: #7ea0d0;
$custom-dark: #000000;
JSON
{
  "hex": "#387bbc",
  "rgb": {
    "r": 56,
    "g": 123,
    "b": 188
  },
  "hsl": {
    "h": 209.545,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57043,
    "c": 0.12155,
    "h": 250.2
  },
  "luminance": 0.18638
}

Semantic roles & 50–950 ramp

primary
#387BBC
secondary
#C9A787
accent
#934ADD
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82

Preview Lab

Preview with #387BBC

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

Preview Lab → · Contrast checker → · Palette generator →

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