#388CB5#388CB5

#388CB5 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.7% C 0.101 H 233.2°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX#388CB5
RGBrgb(56, 140, 181)
HSLhsl(200, 53%, 46%)
HSVhsv(200, 69%, 71%)
CMYKcmyk(69.1%, 22.7%, 0%, 29%)
CIE-LABlab(55.00, -11.92, -28.86)
CIE-LCHlch(55.00, 31.22, 247.55°)
OKLaboklab(60.69% -0.0605 -0.081)
OKLCHoklch(60.69% 0.101 233.2)
XYZxyz(19.3462, 22.9310, 47.1136)
Luminance0.2293 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388CB5 #B56138
analogous
#38B5A0 #388CB5 #384EB5
triadic
#388CB5 #B5388C #8CB538
tetradic
#388CB5 #A038B5 #B56138 #4EB538
square
#388CB5 #A038B5 #B56138 #4EB538
split-complementary
#388CB5 #B5384E #B5A038
monochromatic
#1B4458 #2A6886 #388CB5 #5DA8CD #8CC1DB

Accessibility & contrast

On white

3.76
#388CB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.59
#388CB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CB5
5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388CB5#FFFFFF#000000##000000
##388CB51.003.765.595.59
#FFFFFF3.761.0021.0021.00
#0000005.5921.001.001.00
##0000005.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#788BB7
Deuteranopia (green-blind)
#677EB4
Tritanopia (blue-blind)
#00979A
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #388cb5;
/* rgb */ color: rgb(56, 140, 181);
/* oklch */ color: oklch(60.7% 0.101 233.2);
Tailwind
colors: {
  custom: {
    50: '#7dadcb',
    500: '#388cb5',
    950: '#000000',
  },
}
SCSS
$custom: #388cb5;
$custom-light: #7dadcb;
$custom-dark: #000000;
JSON
{
  "hex": "#388cb5",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 181
  },
  "hsl": {
    "h": 199.68,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.60686,
    "c": 0.10115,
    "h": 233.2
  },
  "luminance": 0.22933
}

Semantic roles & 50–950 ramp

primary
#388CB5
secondary
#C69983
accent
#7B4CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #388CB5

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

Preview Lab → · Contrast checker → · Palette generator →

#388CB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva