#399EBE#399EBE

#399EBE is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.5% C 0.102 H 222.9°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX#399EBE
RGBrgb(57, 158, 190)
HSLhsl(194, 54%, 48%)
HSVhsv(194, 70%, 75%)
CMYKcmyk(70%, 16.8%, 0%, 25.5%)
CIE-LABlab(60.82, -18.60, -24.97)
CIE-LCHlch(60.82, 31.14, 233.32°)
OKLaboklab(65.46% -0.0751 -0.0698)
OKLCHoklch(65.46% 0.103 222.9)
XYZxyz(23.2047, 29.0387, 53.0873)
Luminance0.2904 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399EBE #BE5939
analogous
#39BE9B #399EBE #395BBE
triadic
#399EBE #BE399E #9EBE39
tetradic
#399EBE #9B39BE #BE5939 #5BBE39
square
#399EBE #9B39BE #BE5939 #5BBE39
split-complementary
#399EBE #BE395B #BE9B39
monochromatic
#1D5060 #2B778F #399EBE #64B6D0 #93CCDF

Accessibility & contrast

On white

3.08
#399EBE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.81
#399EBE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EBE
6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399EBE#FFFFFF#000000##000000
##399EBE1.003.086.816.81
#FFFFFF3.081.0021.0021.00
#0000006.8121.001.001.00
##0000006.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C9AC0
Deuteranopia (green-blind)
#798DBE
Tritanopia (blue-blind)
#00A8A8
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #399ebe;
/* rgb */ color: rgb(57, 158, 190);
/* oklch */ color: oklch(65.5% 0.102 222.9);
Tailwind
colors: {
  custom: {
    50: '#80bad1',
    500: '#399ebe',
    950: '#000000',
  },
}
SCSS
$custom: #399ebe;
$custom-light: #80bad1;
$custom-dark: #000000;
JSON
{
  "hex": "#399ebe",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 190
  },
  "hsl": {
    "h": 194.436,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.6546,
    "c": 0.1025,
    "h": 222.9
  },
  "luminance": 0.29041
}

Semantic roles & 50–950 ramp

primary
#399EBE
secondary
#CA9989
accent
#6E4BDD
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #399EBE

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

Preview Lab → · Contrast checker → · Palette generator →

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