#388BB1#388BB1

#388BB1 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.3% C 0.098 H 231.5°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX#388BB1
RGBrgb(56, 139, 177)
HSLhsl(199, 52%, 46%)
HSVhsv(199, 68%, 69%)
CMYKcmyk(68.4%, 21.5%, 0%, 30.6%)
CIE-LABlab(54.53, -12.71, -27.30)
CIE-LCHlch(54.53, 30.11, 245.04°)
OKLaboklab(60.26% -0.061 -0.0766)
OKLCHoklch(60.26% 0.098 231.5)
XYZxyz(18.7962, 22.4783, 44.9346)
Luminance0.2248 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388BB1 #B15E38
analogous
#38B19A #388BB1 #384EB1
triadic
#388BB1 #B1388B #8BB138
tetradic
#388BB1 #9A38B1 #B15E38 #4EB138
square
#388BB1 #9A38B1 #B15E38 #4EB138
split-complementary
#388BB1 #B1384E #B19A38
monochromatic
#1B4254 #296683 #388BB1 #5BA8CB #8AC1DA

Accessibility & contrast

On white

3.82
#388BB1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.50
#388BB1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388BB1
5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388BB1#FFFFFF#000000##000000
##388BB11.003.825.505.50
#FFFFFF3.821.0021.0021.00
#0000005.5021.001.001.00
##0000005.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7889B3
Deuteranopia (green-blind)
#677DB0
Tritanopia (blue-blind)
#009598
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #388bb1;
/* rgb */ color: rgb(56, 139, 177);
/* oklch */ color: oklch(60.3% 0.098 231.5);
Tailwind
colors: {
  custom: {
    50: '#7dacc8',
    500: '#388bb1',
    950: '#000000',
  },
}
SCSS
$custom: #388bb1;
$custom-light: #7dacc8;
$custom-dark: #000000;
JSON
{
  "hex": "#388bb1",
  "rgb": {
    "r": 56,
    "g": 139,
    "b": 177
  },
  "hsl": {
    "h": 198.843,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.60256,
    "c": 0.09786,
    "h": 231.5
  },
  "luminance": 0.2248
}

Semantic roles & 50–950 ramp

primary
#388BB1
secondary
#C49681
accent
#794CDB
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #388BB1

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

Preview Lab → · Contrast checker → · Palette generator →

#388BB1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva