#388BBC#388BBC

#388BBC is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.8% C 0.109 H 238.3°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX#388BBC
RGBrgb(56, 139, 188)
HSLhsl(202, 54%, 48%)
HSVhsv(202, 70%, 74%)
CMYKcmyk(70.2%, 26.1%, 0%, 26.3%)
CIE-LABlab(55.00, -8.97, -32.84)
CIE-LCHlch(55.00, 34.05, 254.72°)
OKLaboklab(60.79% -0.0571 -0.0925)
OKLCHoklch(60.79% 0.109 238.3)
XYZxyz(19.9371, 22.9346, 50.9433)
Luminance0.2294 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388BBC #BC6938
analogous
#38BCAB #388BBC #3849BC
triadic
#388BBC #BC388B #8BBC38
tetradic
#388BBC #AB38BC #BC6938 #49BC38
square
#388BBC #AB38BC #BC6938 #49BC38
split-complementary
#388BBC #BC3849 #BCAB38
monochromatic
#1C455E #2A688D #388BBC #61A7D0 #90C1DE

Accessibility & contrast

On white

3.76
#388BBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.59
#388BBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388BBC
5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388BBC#FFFFFF#000000##000000
##388BBC1.003.765.595.59
#FFFFFF3.761.0021.0021.00
#0000005.5921.001.001.00
##0000005.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#748BBE
Deuteranopia (green-blind)
#627EBB
Tritanopia (blue-blind)
#00979C
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #388bbc;
/* rgb */ color: rgb(56, 139, 188);
/* oklch */ color: oklch(60.8% 0.109 238.3);
Tailwind
colors: {
  custom: {
    50: '#7eacd0',
    500: '#388bbc',
    950: '#000000',
  },
}
SCSS
$custom: #388bbc;
$custom-light: #7eacd0;
$custom-dark: #000000;
JSON
{
  "hex": "#388bbc",
  "rgb": {
    "r": 56,
    "g": 139,
    "b": 188
  },
  "hsl": {
    "h": 202.273,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.6079,
    "c": 0.10873,
    "h": 238.3
  },
  "luminance": 0.22937
}

Semantic roles & 50–950 ramp

primary
#388BBC
secondary
#C99F87
accent
#814ADD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #388BBC

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

Preview Lab → · Contrast checker → · Palette generator →

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