#388BC5#388BC5

#388BC5 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.3% C 0.119 H 242.8°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX#388BC5
RGBrgb(56, 139, 197)
HSLhsl(205, 56%, 50%)
HSVhsv(205, 72%, 77%)
CMYKcmyk(71.6%, 29.4%, 0%, 22.7%)
CIE-LABlab(55.42, -5.85, -37.31)
CIE-LCHlch(55.42, 37.77, 261.08°)
OKLaboklab(61.25% -0.0542 -0.1055)
OKLCHoklch(61.25% 0.119 242.8)
XYZxyz(20.9377, 23.3349, 56.2131)
Luminance0.2334 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388BC5 #C57238
analogous
#38C5B9 #388BC5 #3845C5
triadic
#388BC5 #C5388B #8BC538
tetradic
#388BC5 #B938C5 #C57238 #45C538
square
#388BC5 #B938C5 #C57238 #45C538
split-complementary
#388BC5 #C53845 #C5B938
monochromatic
#1D4866 #2A6995 #388BC5 #67A7D4 #96C2E1

Accessibility & contrast

On white

3.71
#388BC5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.67
#388BC5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388BC5
5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388BC5#FFFFFF#000000##000000
##388BC51.003.715.675.67
#FFFFFF3.711.0021.0021.00
#0000005.6721.001.001.00
##0000005.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#708CC8
Deuteranopia (green-blind)
#5D7FC4
Tritanopia (blue-blind)
#00999F
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #388bc5;
/* rgb */ color: rgb(56, 139, 197);
/* oklch */ color: oklch(61.3% 0.119 242.8);
Tailwind
colors: {
  custom: {
    50: '#80acd7',
    500: '#388bc5',
    950: '#000000',
  },
}
SCSS
$custom: #388bc5;
$custom-light: #80acd7;
$custom-dark: #000000;
JSON
{
  "hex": "#388bc5",
  "rgb": {
    "r": 56,
    "g": 139,
    "b": 197
  },
  "hsl": {
    "h": 204.681,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.6125,
    "c": 0.1186,
    "h": 242.8
  },
  "luminance": 0.23337
}

Semantic roles & 50–950 ramp

primary
#388BC5
secondary
#CDA78C
accent
#8749DF
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0B1014
muted
#7C7F83

Preview Lab

Preview with #388BC5

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

Preview Lab → · Contrast checker → · Palette generator →

#388BC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva