#388FB8#388FB8

#388FB8 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.5% C 0.103 H 232.4°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX#388FB8
RGBrgb(56, 143, 184)
HSLhsl(199, 53%, 47%)
HSVhsv(199, 70%, 72%)
CMYKcmyk(69.6%, 22.3%, 0%, 27.8%)
CIE-LABlab(56.03, -12.58, -28.97)
CIE-LCHlch(56.03, 31.58, 246.52°)
OKLaboklab(61.55% -0.0625 -0.0813)
OKLCHoklch(61.55% 0.103 232.4)
XYZxyz(20.1016, 23.9441, 48.9004)
Luminance0.2395 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388FB8 #B86138
analogous
#38B8A1 #388FB8 #384FB8
triadic
#388FB8 #B8388F #8FB838
tetradic
#388FB8 #A138B8 #B86138 #4FB838
square
#388FB8 #A138B8 #B86138 #4FB838
split-complementary
#388FB8 #B8384F #B8A138
monochromatic
#1B465A #2A6B89 #388FB8 #5FABCE #8EC3DD

Accessibility & contrast

On white

3.63
#388FB8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.79
#388FB8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388FB8
5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388FB8#FFFFFF#000000##000000
##388FB81.003.635.795.79
#FFFFFF3.631.0021.0021.00
#0000005.7921.001.001.00
##0000005.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B8DBA
Deuteranopia (green-blind)
#6981B7
Tritanopia (blue-blind)
#009A9D
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #388fb8;
/* rgb */ color: rgb(56, 143, 184);
/* oklch */ color: oklch(61.5% 0.103 232.4);
Tailwind
colors: {
  custom: {
    50: '#7eafcd',
    500: '#388fb8',
    950: '#000000',
  },
}
SCSS
$custom: #388fb8;
$custom-light: #7eafcd;
$custom-dark: #000000;
JSON
{
  "hex": "#388fb8",
  "rgb": {
    "r": 56,
    "g": 143,
    "b": 184
  },
  "hsl": {
    "h": 199.219,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.61549,
    "c": 0.10259,
    "h": 232.4
  },
  "luminance": 0.23946
}

Semantic roles & 50–950 ramp

primary
#388FB8
secondary
#C79A85
accent
#7A4BDD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #388FB8

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

Preview Lab → · Contrast checker → · Palette generator →

#388FB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva