#388EBB#388EBB

#388EBB is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.5% C 0.106 H 235.2°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX#388EBB
RGBrgb(56, 142, 187)
HSLhsl(201, 54%, 48%)
HSVhsv(201, 70%, 73%)
CMYKcmyk(70.1%, 24.1%, 0%, 26.7%)
CIE-LABlab(55.86, -11.01, -30.94)
CIE-LCHlch(55.86, 32.84, 250.41°)
OKLaboklab(61.45% -0.0605 -0.087)
OKLCHoklch(61.45% 0.106 235.2)
XYZxyz(20.2700, 23.7724, 50.5243)
Luminance0.2377 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388EBB #BB6538
analogous
#38BBA7 #388EBB #384CBB
triadic
#388EBB #BB388E #8EBB38
tetradic
#388EBB #A738BB #BB6538 #4CBB38
square
#388EBB #A738BB #BB6538 #4CBB38
split-complementary
#388EBB #BB384C #BBA738
monochromatic
#1C465D #2A6A8C #388EBB #61A9D0 #90C3DE

Accessibility & contrast

On white

3.65
#388EBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.76
#388EBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388EBB
5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388EBB#FFFFFF#000000##000000
##388EBB1.003.655.765.76
#FFFFFF3.651.0021.0021.00
#0000005.7621.001.001.00
##0000005.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#788DBD
Deuteranopia (green-blind)
#6680BA
Tritanopia (blue-blind)
#009A9D
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #388ebb;
/* rgb */ color: rgb(56, 142, 187);
/* oklch */ color: oklch(61.5% 0.106 235.2);
Tailwind
colors: {
  custom: {
    50: '#7eafcf',
    500: '#388ebb',
    950: '#000000',
  },
}
SCSS
$custom: #388ebb;
$custom-light: #7eafcf;
$custom-dark: #000000;
JSON
{
  "hex": "#388ebb",
  "rgb": {
    "r": 56,
    "g": 142,
    "b": 187
  },
  "hsl": {
    "h": 200.611,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.61454,
    "c": 0.10597,
    "h": 235.2
  },
  "luminance": 0.23775
}

Semantic roles & 50–950 ramp

primary
#388EBB
secondary
#C89D86
accent
#7D4BDD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #388EBB

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

Preview Lab → · Contrast checker → · Palette generator →

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