#399CBD#399CBD

#399CBD is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.9% C 0.102 H 224.0°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#399CBD
RGBrgb(57, 156, 189)
HSLhsl(195, 54%, 48%)
HSVhsv(195, 70%, 74%)
CMYKcmyk(69.8%, 17.5%, 0%, 25.9%)
CIE-LABlab(60.18, -17.86, -25.39)
CIE-LCHlch(60.18, 31.05, 234.88°)
OKLaboklab(64.93% -0.0734 -0.071)
OKLCHoklch(64.93% 0.102 224)
XYZxyz(22.7574, 28.3184, 52.4009)
Luminance0.2832 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399CBD #BD5A39
analogous
#39BD9C #399CBD #395ABD
triadic
#399CBD #BD399C #9CBD39
tetradic
#399CBD #9C39BD #BD5A39 #5ABD39
square
#399CBD #9C39BD #BD5A39 #5ABD39
split-complementary
#399CBD #BD395A #BD9C39
monochromatic
#1D4E5F #2B758E #399CBD #63B5D0 #92CBDE

Accessibility & contrast

On white

3.15
#399CBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.66
#399CBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399CBD
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399CBD#FFFFFF#000000##000000
##399CBD1.003.156.666.66
#FFFFFF3.151.0021.0021.00
#0000006.6621.001.001.00
##0000006.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8999BF
Deuteranopia (green-blind)
#778BBD
Tritanopia (blue-blind)
#00A6A7
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #399cbd;
/* rgb */ color: rgb(57, 156, 189);
/* oklch */ color: oklch(64.9% 0.102 224.0);
Tailwind
colors: {
  custom: {
    50: '#80b9d1',
    500: '#399cbd',
    950: '#000000',
  },
}
SCSS
$custom: #399cbd;
$custom-light: #80b9d1;
$custom-dark: #000000;
JSON
{
  "hex": "#399cbd",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 189
  },
  "hsl": {
    "h": 195,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.64934,
    "c": 0.10213,
    "h": 224
  },
  "luminance": 0.28321
}

Semantic roles & 50–950 ramp

primary
#399CBD
secondary
#C99989
accent
#6F4BDD
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #399CBD

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

Preview Lab → · Contrast checker → · Palette generator →

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