#388CB4#388CB4

#388CB4 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.6% C 0.100 H 232.6°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX#388CB4
RGBrgb(56, 140, 180)
HSLhsl(199, 53%, 46%)
HSVhsv(199, 69%, 71%)
CMYKcmyk(68.9%, 22.2%, 0%, 29.4%)
CIE-LABlab(54.96, -12.26, -28.35)
CIE-LCHlch(54.96, 30.89, 246.62°)
OKLaboklab(60.64% -0.0609 -0.0796)
OKLCHoklch(60.64% 0.1 232.6)
XYZxyz(19.2439, 22.8901, 46.5752)
Luminance0.2289 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388CB4 #B46038
analogous
#38B49E #388CB4 #384EB4
triadic
#388CB4 #B4388C #8CB438
tetradic
#388CB4 #9E38B4 #B46038 #4EB438
square
#388CB4 #9E38B4 #B46038 #4EB438
split-complementary
#388CB4 #B4384E #B49E38
monochromatic
#1B4357 #296885 #388CB4 #5DA8CD #8BC1DB

Accessibility & contrast

On white

3.76
#388CB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.58
#388CB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CB4
5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388CB4#FFFFFF#000000##000000
##388CB41.003.765.585.58
#FFFFFF3.761.0021.0021.00
#0000005.5821.001.001.00
##0000005.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#788AB6
Deuteranopia (green-blind)
#677EB3
Tritanopia (blue-blind)
#009799
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #388cb4;
/* rgb */ color: rgb(56, 140, 180);
/* oklch */ color: oklch(60.6% 0.100 232.6);
Tailwind
colors: {
  custom: {
    50: '#7dadca',
    500: '#388cb4',
    950: '#000000',
  },
}
SCSS
$custom: #388cb4;
$custom-light: #7dadca;
$custom-dark: #000000;
JSON
{
  "hex": "#388cb4",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 180
  },
  "hsl": {
    "h": 199.355,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.60639,
    "c": 0.1002,
    "h": 232.6
  },
  "luminance": 0.22892
}

Semantic roles & 50–950 ramp

primary
#388CB4
secondary
#C59882
accent
#7A4CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #388CB4

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

Preview Lab → · Contrast checker → · Palette generator →

#388CB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva