#388CD5#388CD5

#388CD5 is a light, vivid cyan. Relative luminance 0.244; OKLCH L 62.3% C 0.137 H 248.3°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX#388CD5
RGBrgb(56, 140, 213)
HSLhsl(208, 65%, 53%)
HSVhsv(208, 74%, 84%)
CMYKcmyk(73.7%, 34.3%, 0%, 16.5%)
CIE-LABlab(56.48, -0.79, -44.66)
CIE-LCHlch(56.48, 44.67, 268.99°)
OKLaboklab(62.35% -0.0505 -0.1269)
OKLCHoklch(62.35% 0.137 248.3)
XYZxyz(23.0146, 24.3984, 66.4343)
Luminance0.2440 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388CD5 #D58138
analogous
#38D5CF #388CD5 #383ED5
triadic
#388CD5 #D5388C #8CD538
tetradic
#388CD5 #CF38D5 #D58138 #3ED538
square
#388CD5 #CF38D5 #D58138 #3ED538
split-complementary
#388CD5 #D5383E #D5CF38
monochromatic
#1A4D79 #246DAC #388CD5 #6BA9E0 #9DC6EA

Accessibility & contrast

On white

3.57
#388CD5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.88
#388CD5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CD5
5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388CD5#FFFFFF#000000##000000
##388CD51.003.575.885.88
#FFFFFF3.571.0021.0021.00
#0000005.8821.001.001.00
##0000005.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B8FD8
Deuteranopia (green-blind)
#5481D4
Tritanopia (blue-blind)
#009DA6
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #388cd5;
/* rgb */ color: rgb(56, 140, 213);
/* oklch */ color: oklch(62.3% 0.137 248.3);
Tailwind
colors: {
  custom: {
    50: '#83ade2',
    500: '#388cd5',
    950: '#000000',
  },
}
SCSS
$custom: #388cd5;
$custom-light: #83ade2;
$custom-dark: #000000;
JSON
{
  "hex": "#388cd5",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 213
  },
  "hsl": {
    "h": 207.898,
    "s": 65.145,
    "l": 52.745
  },
  "oklch": {
    "l": 0.62347,
    "c": 0.13657,
    "h": 248.3
  },
  "luminance": 0.24401
}

Semantic roles & 50–950 ramp

primary
#388CD5
secondary
#D6B292
accent
#8E40E8
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #388CD5

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

Preview Lab → · Contrast checker → · Palette generator →

#388CD5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva