#399FBE#399FBE

#399FBE is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.7% C 0.102 H 222.0°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX#399FBE
RGBrgb(57, 159, 190)
HSLhsl(194, 54%, 48%)
HSVhsv(194, 70%, 75%)
CMYKcmyk(70%, 16.3%, 0%, 25.5%)
CIE-LABlab(61.12, -19.13, -24.51)
CIE-LCHlch(61.12, 31.09, 232.02°)
OKLaboklab(65.7% -0.0761 -0.0685)
OKLCHoklch(65.7% 0.102 222)
XYZxyz(23.3759, 29.3812, 53.1444)
Luminance0.2938 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399FBE #BE5839
analogous
#39BE9A #399FBE #395CBE
triadic
#399FBE #BE399F #9FBE39
tetradic
#399FBE #9A39BE #BE5839 #5CBE39
square
#399FBE #9A39BE #BE5839 #5CBE39
split-complementary
#399FBE #BE395C #BE9A39
monochromatic
#1D5060 #2B788F #399FBE #64B7D0 #93CDDF

Accessibility & contrast

On white

3.05
#399FBE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.88
#399FBE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399FBE
6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399FBE#FFFFFF#000000##000000
##399FBE1.003.056.886.88
#FFFFFF3.051.0021.0021.00
#0000006.8821.001.001.00
##0000006.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D9BC0
Deuteranopia (green-blind)
#7A8EBE
Tritanopia (blue-blind)
#00A9A9
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #399fbe;
/* rgb */ color: rgb(57, 159, 190);
/* oklch */ color: oklch(65.7% 0.102 222.0);
Tailwind
colors: {
  custom: {
    50: '#80bbd1',
    500: '#399fbe',
    950: '#000000',
  },
}
SCSS
$custom: #399fbe;
$custom-light: #80bbd1;
$custom-dark: #000000;
JSON
{
  "hex": "#399fbe",
  "rgb": {
    "r": 57,
    "g": 159,
    "b": 190
  },
  "hsl": {
    "h": 193.985,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.65701,
    "c": 0.10236,
    "h": 222
  },
  "luminance": 0.29384
}

Semantic roles & 50–950 ramp

primary
#399FBE
secondary
#CA9889
accent
#6D4BDD
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #399FBE

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

Preview Lab → · Contrast checker → · Palette generator →

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