#388BB3#388BB3

#388BB3 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.4% C 0.100 H 232.8°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX#388BB3
RGBrgb(56, 139, 179)
HSLhsl(200, 52%, 46%)
HSVhsv(200, 69%, 70%)
CMYKcmyk(68.7%, 22.3%, 0%, 29.8%)
CIE-LABlab(54.61, -12.04, -28.31)
CIE-LCHlch(54.61, 30.76, 246.97°)
OKLaboklab(60.35% -0.0602 -0.0795)
OKLCHoklch(60.35% 0.1 232.8)
XYZxyz(18.9970, 22.5586, 45.9921)
Luminance0.2256 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388BB3 #B36038
analogous
#38B39D #388BB3 #384DB3
triadic
#388BB3 #B3388B #8BB338
tetradic
#388BB3 #9D38B3 #B36038 #4DB338
square
#388BB3 #9D38B3 #B36038 #4DB338
split-complementary
#388BB3 #B3384D #B39D38
monochromatic
#1B4356 #296784 #388BB3 #5CA8CC #8BC1DB

Accessibility & contrast

On white

3.81
#388BB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.51
#388BB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388BB3
5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388BB3#FFFFFF#000000##000000
##388BB31.003.815.515.51
#FFFFFF3.811.0021.0021.00
#0000005.5121.001.001.00
##0000005.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#778AB5
Deuteranopia (green-blind)
#667DB2
Tritanopia (blue-blind)
#009698
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #388bb3;
/* rgb */ color: rgb(56, 139, 179);
/* oklch */ color: oklch(60.4% 0.100 232.8);
Tailwind
colors: {
  custom: {
    50: '#7dacca',
    500: '#388bb3',
    950: '#000000',
  },
}
SCSS
$custom: #388bb3;
$custom-light: #7dacca;
$custom-dark: #000000;
JSON
{
  "hex": "#388bb3",
  "rgb": {
    "r": 56,
    "g": 139,
    "b": 179
  },
  "hsl": {
    "h": 199.512,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.60351,
    "c": 0.09971,
    "h": 232.8
  },
  "luminance": 0.22561
}

Semantic roles & 50–950 ramp

primary
#388BB3
secondary
#C59882
accent
#7B4CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #388BB3

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

Preview Lab → · Contrast checker → · Palette generator →

#388BB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva