#388CD9#388CD9

#388CD9 is a light, vivid cyan. Relative luminance 0.246; OKLCH L 62.6% C 0.141 H 249.6°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX#388CD9
RGBrgb(56, 140, 217)
HSLhsl(209, 68%, 54%)
HSVhsv(209, 74%, 85%)
CMYKcmyk(74.2%, 35.5%, 0%, 14.9%)
CIE-LABlab(56.69, 0.64, -46.58)
CIE-LCHlch(56.69, 46.59, 270.79°)
OKLaboklab(62.57% -0.0494 -0.1325)
OKLCHoklch(62.57% 0.141 249.6)
XYZxyz(23.5286, 24.6040, 69.1412)
Luminance0.2461 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388CD9 #D98538
analogous
#38D9D6 #388CD9 #383BD9
triadic
#388CD9 #D9388C #8CD938
tetradic
#388CD9 #D638D9 #D98538 #3BD938
square
#388CD9 #D638D9 #D98538 #3BD938
split-complementary
#388CD9 #D9383B #D9D638
monochromatic
#184E7E #226DB2 #388CD9 #6BAAE3 #9FC7ED

Accessibility & contrast

On white

3.55
#388CD9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.92
#388CD9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CD9
5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388CD9#FFFFFF#000000##000000
##388CD91.003.555.925.92
#FFFFFF3.551.0021.0021.00
#0000005.9221.001.001.00
##0000005.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6990DC
Deuteranopia (green-blind)
#5181D7
Tritanopia (blue-blind)
#009EA8
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #388cd9;
/* rgb */ color: rgb(56, 140, 217);
/* oklch */ color: oklch(62.6% 0.141 249.6);
Tailwind
colors: {
  custom: {
    50: '#83ade5',
    500: '#388cd9',
    950: '#000000',
  },
}
SCSS
$custom: #388cd9;
$custom-light: #83ade5;
$custom-dark: #000000;
JSON
{
  "hex": "#388cd9",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 217
  },
  "hsl": {
    "h": 208.696,
    "s": 67.932,
    "l": 53.529
  },
  "oklch": {
    "l": 0.62573,
    "c": 0.14143,
    "h": 249.6
  },
  "luminance": 0.24607
}

Semantic roles & 50–950 ramp

primary
#388CD9
secondary
#D9B594
accent
#903DEB
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C1016
muted
#7D7F84

Preview Lab

Preview with #388CD9

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

Preview Lab → · Contrast checker → · Palette generator →

#388CD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva