#399DBD#399DBD

#399DBD is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.2% C 0.102 H 223.1°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX#399DBD
RGBrgb(57, 157, 189)
HSLhsl(195, 54%, 48%)
HSVhsv(195, 70%, 74%)
CMYKcmyk(69.8%, 16.9%, 0%, 25.9%)
CIE-LABlab(60.48, -18.40, -24.93)
CIE-LCHlch(60.48, 30.98, 233.58°)
OKLaboklab(65.18% -0.0744 -0.0697)
OKLCHoklch(65.18% 0.102 223.1)
XYZxyz(22.9259, 28.6553, 52.4570)
Luminance0.2866 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399DBD #BD5939
analogous
#39BD9B #399DBD #395BBD
triadic
#399DBD #BD399D #9DBD39
tetradic
#399DBD #9B39BD #BD5939 #5BBD39
square
#399DBD #9B39BD #BD5939 #5BBD39
split-complementary
#399DBD #BD395B #BD9B39
monochromatic
#1D4F5F #2B768E #399DBD #63B6D0 #92CCDE

Accessibility & contrast

On white

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

On black

6.73
#399DBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DBD
6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399DBD#FFFFFF#000000##000000
##399DBD1.003.126.736.73
#FFFFFF3.121.0021.0021.00
#0000006.7321.001.001.00
##0000006.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B99BF
Deuteranopia (green-blind)
#788CBD
Tritanopia (blue-blind)
#00A7A7
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #399dbd;
/* rgb */ color: rgb(57, 157, 189);
/* oklch */ color: oklch(65.2% 0.102 223.1);
Tailwind
colors: {
  custom: {
    50: '#80bad1',
    500: '#399dbd',
    950: '#000000',
  },
}
SCSS
$custom: #399dbd;
$custom-light: #80bad1;
$custom-dark: #000000;
JSON
{
  "hex": "#399dbd",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 189
  },
  "hsl": {
    "h": 194.545,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65175,
    "c": 0.10196,
    "h": 223.1
  },
  "luminance": 0.28658
}

Semantic roles & 50–950 ramp

primary
#399DBD
secondary
#C99889
accent
#6E4BDD
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #399DBD

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

Preview Lab → · Contrast checker → · Palette generator →

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