#388FBC#388FBC

#388FBC is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.7% C 0.106 H 234.9°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX#388FBC
RGBrgb(56, 143, 188)
HSLhsl(200, 54%, 48%)
HSVhsv(200, 70%, 74%)
CMYKcmyk(70.2%, 23.9%, 0%, 26.3%)
CIE-LABlab(56.20, -11.23, -30.98)
CIE-LCHlch(56.20, 32.95, 250.07°)
OKLaboklab(61.74% -0.0611 -0.0871)
OKLCHoklch(61.74% 0.106 234.9)
XYZxyz(20.5269, 24.1142, 51.1399)
Luminance0.2412 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388FBC #BC6538
analogous
#38BCA7 #388FBC #384DBC
triadic
#388FBC #BC388F #8FBC38
tetradic
#388FBC #A738BC #BC6538 #4DBC38
square
#388FBC #A738BC #BC6538 #4DBC38
split-complementary
#388FBC #BC384D #BCA738
monochromatic
#1C475E #2A6B8D #388FBC #61AAD0 #90C4DE

Accessibility & contrast

On white

3.61
#388FBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.82
#388FBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388FBC
5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388FBC#FFFFFF#000000##000000
##388FBC1.003.615.825.82
#FFFFFF3.611.0021.0021.00
#0000005.8221.001.001.00
##0000005.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#798EBE
Deuteranopia (green-blind)
#6781BB
Tritanopia (blue-blind)
#009B9E
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #388fbc;
/* rgb */ color: rgb(56, 143, 188);
/* oklch */ color: oklch(61.7% 0.106 234.9);
Tailwind
colors: {
  custom: {
    50: '#7fafd0',
    500: '#388fbc',
    950: '#000000',
  },
}
SCSS
$custom: #388fbc;
$custom-light: #7fafd0;
$custom-dark: #000000;
JSON
{
  "hex": "#388fbc",
  "rgb": {
    "r": 56,
    "g": 143,
    "b": 188
  },
  "hsl": {
    "h": 200.455,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.61741,
    "c": 0.10642,
    "h": 234.9
  },
  "luminance": 0.24117
}

Semantic roles & 50–950 ramp

primary
#388FBC
secondary
#C99D87
accent
#7C4ADD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #388FBC

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

Preview Lab → · Contrast checker → · Palette generator →

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