#388FC9#388FC9

#388FC9 is a light, vivid cyan. Relative luminance 0.247; OKLCH L 62.4% C 0.120 H 241.8°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX#388FC9
RGBrgb(56, 143, 201)
HSLhsl(204, 57%, 50%)
HSVhsv(204, 72%, 79%)
CMYKcmyk(72.1%, 28.9%, 0%, 21.2%)
CIE-LABlab(56.78, -6.76, -37.43)
CIE-LCHlch(56.78, 38.04, 259.77°)
OKLaboklab(62.39% -0.0568 -0.1058)
OKLCHoklch(62.39% 0.12 241.8)
XYZxyz(21.9919, 24.7002, 58.8556)
Luminance0.2470 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388FC9 #C97238
analogous
#38C9BA #388FC9 #3846C9
triadic
#388FC9 #C9388F #8FC938
tetradic
#388FC9 #BA38C9 #C97238 #46C938
square
#388FC9 #BA38C9 #C97238 #46C938
split-complementary
#388FC9 #C93846 #C9BA38
monochromatic
#1D4B6A #2A6D9A #388FC9 #68AAD6 #98C5E3

Accessibility & contrast

On white

3.53
#388FC9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.94
#388FC9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388FC9
5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388FC9#FFFFFF#000000##000000
##388FC91.003.535.945.94
#FFFFFF3.531.0021.0021.00
#0000005.9421.001.001.00
##0000005.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7490CC
Deuteranopia (green-blind)
#6082C8
Tritanopia (blue-blind)
#009DA3
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #388fc9;
/* rgb */ color: rgb(56, 143, 201);
/* oklch */ color: oklch(62.4% 0.120 241.8);
Tailwind
colors: {
  custom: {
    50: '#81afd9',
    500: '#388fc9',
    950: '#000000',
  },
}
SCSS
$custom: #388fc9;
$custom-light: #81afd9;
$custom-dark: #000000;
JSON
{
  "hex": "#388fc9",
  "rgb": {
    "r": 56,
    "g": 143,
    "b": 201
  },
  "hsl": {
    "h": 204,
    "s": 57.312,
    "l": 50.392
  },
  "oklch": {
    "l": 0.62392,
    "c": 0.1201,
    "h": 241.8
  },
  "luminance": 0.24703
}

Semantic roles & 50–950 ramp

primary
#388FC9
secondary
#CFA88E
accent
#8547E1
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1014
muted
#7D7F83

Preview Lab

Preview with #388FC9

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

Preview Lab → · Contrast checker → · Palette generator →

#388FC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva