#388CB7#388CB7

#388CB7 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.8% C 0.103 H 234.5°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX#388CB7
RGBrgb(56, 140, 183)
HSLhsl(200, 53%, 47%)
HSVhsv(200, 69%, 72%)
CMYKcmyk(69.4%, 23.5%, 0%, 28.2%)
CIE-LABlab(55.09, -11.24, -29.87)
CIE-LCHlch(55.09, 31.91, 249.37°)
OKLaboklab(60.78% -0.0598 -0.0839)
OKLCHoklch(60.78% 0.103 234.5)
XYZxyz(19.5529, 23.0137, 48.2022)
Luminance0.2302 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388CB7 #B76338
analogous
#38B7A3 #388CB7 #384DB7
triadic
#388CB7 #B7388C #8CB738
tetradic
#388CB7 #A338B7 #B76338 #4DB738
square
#388CB7 #A338B7 #B76338 #4DB738
split-complementary
#388CB7 #B7384D #B7A338
monochromatic
#1B4459 #2A6888 #388CB7 #5EA8CE #8DC1DC

Accessibility & contrast

On white

3.75
#388CB7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.60
#388CB7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CB7
5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388CB7#FFFFFF#000000##000000
##388CB71.003.755.605.60
#FFFFFF3.751.0021.0021.00
#0000005.6021.001.001.00
##0000005.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#778BB9
Deuteranopia (green-blind)
#667EB6
Tritanopia (blue-blind)
#00979A
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #388cb7;
/* rgb */ color: rgb(56, 140, 183);
/* oklch */ color: oklch(60.8% 0.103 234.5);
Tailwind
colors: {
  custom: {
    50: '#7eadcc',
    500: '#388cb7',
    950: '#000000',
  },
}
SCSS
$custom: #388cb7;
$custom-light: #7eadcc;
$custom-dark: #000000;
JSON
{
  "hex": "#388cb7",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 183
  },
  "hsl": {
    "h": 200.315,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.60782,
    "c": 0.10308,
    "h": 234.5
  },
  "luminance": 0.23016
}

Semantic roles & 50–950 ramp

primary
#388CB7
secondary
#C79B84
accent
#7C4BDD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #388CB7

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

Preview Lab → · Contrast checker → · Palette generator →

#388CB7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva