#388BC4#388BC4

#388BC4 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.2% C 0.117 H 242.4°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX#388BC4
RGBrgb(56, 139, 196)
HSLhsl(204, 56%, 49%)
HSVhsv(204, 71%, 77%)
CMYKcmyk(71.4%, 29.1%, 0%, 23.1%)
CIE-LABlab(55.37, -6.20, -36.82)
CIE-LCHlch(55.37, 37.34, 260.44°)
OKLaboklab(61.2% -0.0545 -0.1041)
OKLCHoklch(61.2% 0.117 242.4)
XYZxyz(20.8235, 23.2892, 55.6117)
Luminance0.2329 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388BC4 #C47138
analogous
#38C4B7 #388BC4 #3845C4
triadic
#388BC4 #C4388B #8BC438
tetradic
#388BC4 #B738C4 #C47138 #45C438
square
#388BC4 #B738C4 #C47138 #45C438
split-complementary
#388BC4 #C43845 #C4B738
monochromatic
#1D4765 #2A6994 #388BC4 #66A7D3 #96C2E1

Accessibility & contrast

On white

3.71
#388BC4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.66
#388BC4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388BC4
5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388BC4#FFFFFF#000000##000000
##388BC41.003.715.665.66
#FFFFFF3.711.0021.0021.00
#0000005.6621.001.001.00
##0000005.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#718CC7
Deuteranopia (green-blind)
#5E7FC3
Tritanopia (blue-blind)
#00999F
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #388bc4;
/* rgb */ color: rgb(56, 139, 196);
/* oklch */ color: oklch(61.2% 0.117 242.4);
Tailwind
colors: {
  custom: {
    50: '#80acd6',
    500: '#388bc4',
    950: '#000000',
  },
}
SCSS
$custom: #388bc4;
$custom-light: #80acd6;
$custom-dark: #000000;
JSON
{
  "hex": "#388bc4",
  "rgb": {
    "r": 56,
    "g": 139,
    "b": 196
  },
  "hsl": {
    "h": 204.429,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.61198,
    "c": 0.11747,
    "h": 242.4
  },
  "luminance": 0.23292
}

Semantic roles & 50–950 ramp

primary
#388BC4
secondary
#CCA68C
accent
#8649DF
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0B1014
muted
#7C7F83

Preview Lab

Preview with #388BC4

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

Preview Lab → · Contrast checker → · Palette generator →

#388BC4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva