#388CBC#388CBC

#388CBC is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 61.0% C 0.108 H 237.5°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX#388CBC
RGBrgb(56, 140, 188)
HSLhsl(202, 54%, 48%)
HSVhsv(202, 70%, 74%)
CMYKcmyk(70.2%, 25.5%, 0%, 26.3%)
CIE-LABlab(55.30, -9.54, -32.38)
CIE-LCHlch(55.30, 33.75, 253.58°)
OKLaboklab(61.03% -0.0581 -0.0912)
OKLCHoklch(61.03% 0.108 237.5)
XYZxyz(20.0825, 23.2255, 50.9918)
Luminance0.2323 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388CBC #BC6838
analogous
#38BCAA #388CBC #384ABC
triadic
#388CBC #BC388C #8CBC38
tetradic
#388CBC #AA38BC #BC6838 #4ABC38
square
#388CBC #AA38BC #BC6838 #4ABC38
split-complementary
#388CBC #BC384A #BCAA38
monochromatic
#1C465E #2A698D #388CBC #61A8D0 #90C2DE

Accessibility & contrast

On white

3.72
#388CBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.65
#388CBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CBC
5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388CBC#FFFFFF#000000##000000
##388CBC1.003.725.655.65
#FFFFFF3.721.0021.0021.00
#0000005.6521.001.001.00
##0000005.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#758CBE
Deuteranopia (green-blind)
#637FBB
Tritanopia (blue-blind)
#00989C
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #388cbc;
/* rgb */ color: rgb(56, 140, 188);
/* oklch */ color: oklch(61.0% 0.108 237.5);
Tailwind
colors: {
  custom: {
    50: '#7eadd0',
    500: '#388cbc',
    950: '#000000',
  },
}
SCSS
$custom: #388cbc;
$custom-light: #7eadd0;
$custom-dark: #000000;
JSON
{
  "hex": "#388cbc",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 188
  },
  "hsl": {
    "h": 201.818,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.61027,
    "c": 0.10811,
    "h": 237.5
  },
  "luminance": 0.23228
}

Semantic roles & 50–950 ramp

primary
#388CBC
secondary
#C99F87
accent
#804ADD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #388CBC

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

Preview Lab → · Contrast checker → · Palette generator →

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