#399DBE#399DBE

#399DBE is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.2% C 0.103 H 223.8°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#399DBE
RGBrgb(57, 157, 190)
HSLhsl(195, 54%, 48%)
HSVhsv(195, 70%, 75%)
CMYKcmyk(70%, 17.4%, 0%, 25.5%)
CIE-LABlab(60.52, -18.07, -25.43)
CIE-LCHlch(60.52, 31.20, 234.61°)
OKLaboklab(65.22% -0.0741 -0.0711)
OKLCHoklch(65.22% 0.103 223.8)
XYZxyz(23.0348, 28.6989, 53.0307)
Luminance0.2870 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399DBE #BE5A39
analogous
#39BE9C #399DBE #395ABE
triadic
#399DBE #BE399D #9DBE39
tetradic
#399DBE #9C39BE #BE5A39 #5ABE39
square
#399DBE #9C39BE #BE5A39 #5ABE39
split-complementary
#399DBE #BE395A #BE9C39
monochromatic
#1D4F60 #2B768F #399DBE #64B5D0 #93CCDF

Accessibility & contrast

On white

3.12
#399DBE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.74
#399DBE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DBE
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399DBE#FFFFFF#000000##000000
##399DBE1.003.126.746.74
#FFFFFF3.121.0021.0021.00
#0000006.7421.001.001.00
##0000006.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A9AC0
Deuteranopia (green-blind)
#788CBE
Tritanopia (blue-blind)
#00A7A8
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #399dbe;
/* rgb */ color: rgb(57, 157, 190);
/* oklch */ color: oklch(65.2% 0.103 223.8);
Tailwind
colors: {
  custom: {
    50: '#80bad1',
    500: '#399dbe',
    950: '#000000',
  },
}
SCSS
$custom: #399dbe;
$custom-light: #80bad1;
$custom-dark: #000000;
JSON
{
  "hex": "#399dbe",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 190
  },
  "hsl": {
    "h": 194.887,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.65219,
    "c": 0.10267,
    "h": 223.8
  },
  "luminance": 0.28702
}

Semantic roles & 50–950 ramp

primary
#399DBE
secondary
#CA9989
accent
#6F4BDD
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #399DBE

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

Preview Lab → · Contrast checker → · Palette generator →

#399DBE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva