#388EB3#388EB3

#388EB3 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.1% C 0.098 H 230.0°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX#388EB3
RGBrgb(56, 142, 179)
HSLhsl(198, 52%, 46%)
HSVhsv(198, 69%, 70%)
CMYKcmyk(68.7%, 20.7%, 0%, 29.8%)
CIE-LABlab(55.52, -13.70, -26.91)
CIE-LCHlch(55.52, 30.20, 243.01°)
OKLaboklab(61.07% -0.0633 -0.0754)
OKLCHoklch(61.07% 0.098 230)
XYZxyz(19.4373, 23.4393, 46.1389)
Luminance0.2344 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388EB3 #B35D38
analogous
#38B39A #388EB3 #3850B3
triadic
#388EB3 #B3388E #8EB338
tetradic
#388EB3 #9A38B3 #B35D38 #50B338
square
#388EB3 #9A38B3 #B35D38 #50B338
split-complementary
#388EB3 #B33850 #B39A38
monochromatic
#1B4456 #296984 #388EB3 #5CAACC #8BC3DB

Accessibility & contrast

On white

3.69
#388EB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.69
#388EB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388EB3
5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388EB3#FFFFFF#000000##000000
##388EB31.003.695.695.69
#FFFFFF3.691.0021.0021.00
#0000005.6921.001.001.00
##0000005.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B8CB5
Deuteranopia (green-blind)
#6A80B2
Tritanopia (blue-blind)
#00989A
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #388eb3;
/* rgb */ color: rgb(56, 142, 179);
/* oklch */ color: oklch(61.1% 0.098 230.0);
Tailwind
colors: {
  custom: {
    50: '#7dafca',
    500: '#388eb3',
    950: '#000000',
  },
}
SCSS
$custom: #388eb3;
$custom-light: #7dafca;
$custom-dark: #000000;
JSON
{
  "hex": "#388eb3",
  "rgb": {
    "r": 56,
    "g": 142,
    "b": 179
  },
  "hsl": {
    "h": 198.049,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.61074,
    "c": 0.09848,
    "h": 230
  },
  "luminance": 0.23441
}

Semantic roles & 50–950 ramp

primary
#388EB3
secondary
#C59682
accent
#774CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #388EB3

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

Preview Lab → · Contrast checker → · Palette generator →

#388EB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva