#388DD9#388DD9

#388DD9 is a light, vivid cyan. Relative luminance 0.249; OKLCH L 62.8% C 0.140 H 249.0°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX#388DD9
RGBrgb(56, 141, 217)
HSLhsl(208, 68%, 54%)
HSVhsv(208, 74%, 85%)
CMYKcmyk(74.2%, 35%, 0%, 14.9%)
CIE-LABlab(56.98, 0.05, -46.13)
CIE-LCHlch(56.98, 46.13, 270.06°)
OKLaboklab(62.8% -0.0503 -0.1312)
OKLCHoklch(62.8% 0.14 249)
XYZxyz(23.6754, 24.8975, 69.1901)
Luminance0.2490 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388DD9 #D98438
analogous
#38D9D4 #388DD9 #383CD9
triadic
#388DD9 #D9388D #8DD938
tetradic
#388DD9 #D438D9 #D98438 #3CD938
square
#388DD9 #D438D9 #D98438 #3CD938
split-complementary
#388DD9 #D9383C #D9D438
monochromatic
#184E7E #226EB2 #388DD9 #6BAAE3 #9FC8ED

Accessibility & contrast

On white

3.51
#388DD9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.98
#388DD9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388DD9
5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388DD9#FFFFFF#000000##000000
##388DD91.003.515.985.98
#FFFFFF3.511.0021.0021.00
#0000005.9821.001.001.00
##0000005.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A91DC
Deuteranopia (green-blind)
#5382D8
Tritanopia (blue-blind)
#009FA9
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #388dd9;
/* rgb */ color: rgb(56, 141, 217);
/* oklch */ color: oklch(62.8% 0.140 249.0);
Tailwind
colors: {
  custom: {
    50: '#83ade5',
    500: '#388dd9',
    950: '#000000',
  },
}
SCSS
$custom: #388dd9;
$custom-light: #83ade5;
$custom-dark: #000000;
JSON
{
  "hex": "#388dd9",
  "rgb": {
    "r": 56,
    "g": 141,
    "b": 217
  },
  "hsl": {
    "h": 208.323,
    "s": 67.932,
    "l": 53.529
  },
  "oklch": {
    "l": 0.62799,
    "c": 0.14048,
    "h": 249
  },
  "luminance": 0.249
}

Semantic roles & 50–950 ramp

primary
#388DD9
secondary
#D9B494
accent
#8F3DEB
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C1016
muted
#7D7F84

Preview Lab

Preview with #388DD9

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

Preview Lab → · Contrast checker → · Palette generator →

#388DD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva