#388BBE#388BBE

#388BBE is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.9% C 0.111 H 239.4°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX#388BBE
RGBrgb(56, 139, 190)
HSLhsl(203, 54%, 48%)
HSVhsv(203, 71%, 75%)
CMYKcmyk(70.5%, 26.8%, 0%, 25.5%)
CIE-LABlab(55.09, -8.28, -33.84)
CIE-LCHlch(55.09, 34.84, 256.24°)
OKLaboklab(60.89% -0.0564 -0.0954)
OKLCHoklch(60.89% 0.111 239.4)
XYZxyz(20.1542, 23.0215, 52.0866)
Luminance0.2302 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388BBE #BE6B38
analogous
#38BEAE #388BBE #3848BE
triadic
#388BBE #BE388B #8BBE38
tetradic
#388BBE #AE38BE #BE6B38 #48BE38
square
#388BBE #AE38BE #BE6B38 #48BE38
split-complementary
#388BBE #BE3848 #BEAE38
monochromatic
#1C465F #2A688F #388BBE #62A7D1 #92C1DF

Accessibility & contrast

On white

3.75
#388BBE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.60
#388BBE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388BBE
5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388BBE#FFFFFF#000000##000000
##388BBE1.003.755.605.60
#FFFFFF3.751.0021.0021.00
#0000005.6021.001.001.00
##0000005.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#738BC0
Deuteranopia (green-blind)
#617EBD
Tritanopia (blue-blind)
#00989D
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #388bbe;
/* rgb */ color: rgb(56, 139, 190);
/* oklch */ color: oklch(60.9% 0.111 239.4);
Tailwind
colors: {
  custom: {
    50: '#7facd2',
    500: '#388bbe',
    950: '#000000',
  },
}
SCSS
$custom: #388bbe;
$custom-light: #7facd2;
$custom-dark: #000000;
JSON
{
  "hex": "#388bbe",
  "rgb": {
    "r": 56,
    "g": 139,
    "b": 190
  },
  "hsl": {
    "h": 202.836,
    "s": 54.472,
    "l": 48.235
  },
  "oklch": {
    "l": 0.6089,
    "c": 0.11086,
    "h": 239.4
  },
  "luminance": 0.23024
}

Semantic roles & 50–950 ramp

primary
#388BBE
secondary
#CAA188
accent
#824ADE
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #388BBE

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

Preview Lab → · Contrast checker → · Palette generator →

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