#388CB0#388CB0

#388CB0 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.5% C 0.097 H 229.8°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX#388CB0
RGBrgb(56, 140, 176)
HSLhsl(198, 52%, 45%)
HSVhsv(198, 68%, 69%)
CMYKcmyk(68.2%, 20.5%, 0%, 31%)
CIE-LABlab(54.79, -13.60, -26.32)
CIE-LCHlch(54.79, 29.63, 242.68°)
OKLaboklab(60.45% -0.0624 -0.0737)
OKLCHoklch(60.45% 0.097 229.8)
XYZxyz(18.8423, 22.7295, 44.4601)
Luminance0.2273 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388CB0 #B05C38
analogous
#38B098 #388CB0 #3850B0
triadic
#388CB0 #B0388C #8CB038
tetradic
#388CB0 #9838B0 #B05C38 #50B038
square
#388CB0 #9838B0 #B05C38 #50B038
split-complementary
#388CB0 #B03850 #B09838
monochromatic
#1A4253 #296782 #388CB0 #5BA9CB #89C1D9

Accessibility & contrast

On white

3.79
#388CB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.55
#388CB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CB0
5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388CB0#FFFFFF#000000##000000
##388CB01.003.795.555.55
#FFFFFF3.791.0021.0021.00
#0000005.5521.001.001.00
##0000005.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A8AB2
Deuteranopia (green-blind)
#697EB0
Tritanopia (blue-blind)
#009698
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #388cb0;
/* rgb */ color: rgb(56, 140, 176);
/* oklch */ color: oklch(60.5% 0.097 229.8);
Tailwind
colors: {
  custom: {
    50: '#7dadc7',
    500: '#388cb0',
    950: '#000000',
  },
}
SCSS
$custom: #388cb0;
$custom-light: #7dadc7;
$custom-dark: #000000;
JSON
{
  "hex": "#388cb0",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 176
  },
  "hsl": {
    "h": 198,
    "s": 51.724,
    "l": 45.49
  },
  "oklch": {
    "l": 0.60451,
    "c": 0.09658,
    "h": 229.8
  },
  "luminance": 0.22732
}

Semantic roles & 50–950 ramp

primary
#388CB0
secondary
#C49480
accent
#774DDB
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #388CB0

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

Preview Lab → · Contrast checker → · Palette generator →

#388CB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva