#388FB3#388FB3

#388FB3 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.3% C 0.098 H 229.0°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX#388FB3
RGBrgb(56, 143, 179)
HSLhsl(198, 52%, 46%)
HSVhsv(198, 69%, 70%)
CMYKcmyk(68.7%, 20.1%, 0%, 29.8%)
CIE-LABlab(55.82, -14.26, -26.44)
CIE-LCHlch(55.82, 30.04, 241.67°)
OKLaboklab(61.32% -0.0644 -0.0741)
OKLCHoklch(61.32% 0.098 229)
XYZxyz(19.5868, 23.7382, 46.1887)
Luminance0.2374 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388FB3 #B35C38
analogous
#38B399 #388FB3 #3851B3
triadic
#388FB3 #B3388F #8FB338
tetradic
#388FB3 #9938B3 #B35C38 #51B338
square
#388FB3 #9938B3 #B35C38 #51B338
split-complementary
#388FB3 #B33851 #B39938
monochromatic
#1B4556 #296A84 #388FB3 #5CABCC #8BC3DB

Accessibility & contrast

On white

3.65
#388FB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.75
#388FB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388FB3
5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388FB3#FFFFFF#000000##000000
##388FB31.003.655.755.75
#FFFFFF3.651.0021.0021.00
#0000005.7521.001.001.00
##0000005.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8DB5
Deuteranopia (green-blind)
#6B80B3
Tritanopia (blue-blind)
#00999B
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #388fb3;
/* rgb */ color: rgb(56, 143, 179);
/* oklch */ color: oklch(61.3% 0.098 229.0);
Tailwind
colors: {
  custom: {
    50: '#7dafca',
    500: '#388fb3',
    950: '#000000',
  },
}
SCSS
$custom: #388fb3;
$custom-light: #7dafca;
$custom-dark: #000000;
JSON
{
  "hex": "#388fb3",
  "rgb": {
    "r": 56,
    "g": 143,
    "b": 179
  },
  "hsl": {
    "h": 197.561,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.61315,
    "c": 0.09813,
    "h": 229
  },
  "luminance": 0.2374
}

Semantic roles & 50–950 ramp

primary
#388FB3
secondary
#C59582
accent
#764CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #388FB3

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

Preview Lab → · Contrast checker → · Palette generator →

#388FB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva