#388BBD#388BBD

#388BBD is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.8% C 0.110 H 238.9°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX#388BBD
RGBrgb(56, 139, 189)
HSLhsl(203, 54%, 48%)
HSVhsv(203, 70%, 74%)
CMYKcmyk(70.4%, 26.5%, 0%, 25.9%)
CIE-LABlab(55.05, -8.63, -33.34)
CIE-LCHlch(55.05, 34.44, 255.49°)
OKLaboklab(60.84% -0.0568 -0.094)
OKLCHoklch(60.84% 0.11 238.9)
XYZxyz(20.0452, 22.9779, 51.5130)
Luminance0.2298 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388BBD #BD6A38
analogous
#38BDAC #388BBD #3849BD
triadic
#388BBD #BD388B #8BBD38
tetradic
#388BBD #AC38BD #BD6A38 #49BD38
square
#388BBD #AC38BD #BD6A38 #49BD38
split-complementary
#388BBD #BD3849 #BDAC38
monochromatic
#1C465F #2A688E #388BBD #62A7D0 #91C1DE

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##388BBD#FFFFFF#000000##000000
##388BBD1.003.755.605.60
#FFFFFF3.751.0021.0021.00
#0000005.6021.001.001.00
##0000005.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#748BBF
Deuteranopia (green-blind)
#617EBC
Tritanopia (blue-blind)
#00989C
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #388bbd;
/* rgb */ color: rgb(56, 139, 189);
/* oklch */ color: oklch(60.8% 0.110 238.9);
Tailwind
colors: {
  custom: {
    50: '#7facd1',
    500: '#388bbd',
    950: '#000000',
  },
}
SCSS
$custom: #388bbd;
$custom-light: #7facd1;
$custom-dark: #000000;
JSON
{
  "hex": "#388bbd",
  "rgb": {
    "r": 56,
    "g": 139,
    "b": 189
  },
  "hsl": {
    "h": 202.556,
    "s": 54.286,
    "l": 48.039
  },
  "oklch": {
    "l": 0.6084,
    "c": 0.10979,
    "h": 238.9
  },
  "luminance": 0.2298
}

Semantic roles & 50–950 ramp

primary
#388BBD
secondary
#C9A087
accent
#824ADE
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #388BBD

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

Preview Lab → · Contrast checker → · Palette generator →

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