#399DC0#399DC0

#399DC0 is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.3% C 0.104 H 225.3°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX#399DC0
RGBrgb(57, 157, 192)
HSLhsl(196, 54%, 49%)
HSVhsv(196, 70%, 75%)
CMYKcmyk(70.3%, 18.2%, 0%, 24.7%)
CIE-LABlab(60.59, -17.42, -26.44)
CIE-LCHlch(60.59, 31.66, 236.62°)
OKLaboklab(65.31% -0.0733 -0.074)
OKLCHoklch(65.31% 0.104 225.3)
XYZxyz(23.2549, 28.7869, 54.1898)
Luminance0.2879 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399DC0 #C05C39
analogous
#39C0A0 #399DC0 #3959C0
triadic
#399DC0 #C0399D #9DC039
tetradic
#399DC0 #A039C0 #C05C39 #59C039
square
#399DC0 #A039C0 #C05C39 #59C039
split-complementary
#399DC0 #C03959 #C0A039
monochromatic
#1D5062 #2B7691 #399DC0 #65B5D1 #94CCDF

Accessibility & contrast

On white

3.11
#399DC0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.76
#399DC0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DC0
6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399DC0#FFFFFF#000000##000000
##399DC01.003.116.766.76
#FFFFFF3.111.0021.0021.00
#0000006.7621.001.001.00
##0000006.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A9AC2
Deuteranopia (green-blind)
#778CC0
Tritanopia (blue-blind)
#00A7A8
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #399dc0;
/* rgb */ color: rgb(57, 157, 192);
/* oklch */ color: oklch(65.3% 0.104 225.3);
Tailwind
colors: {
  custom: {
    50: '#80bad3',
    500: '#399dc0',
    950: '#000000',
  },
}
SCSS
$custom: #399dc0;
$custom-light: #80bad3;
$custom-dark: #000000;
JSON
{
  "hex": "#399dc0",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 192
  },
  "hsl": {
    "h": 195.556,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.65307,
    "c": 0.10414,
    "h": 225.3
  },
  "luminance": 0.2879
}

Semantic roles & 50–950 ramp

primary
#399DC0
secondary
#CB9B8A
accent
#704ADE
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #399DC0

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

Preview Lab → · Contrast checker → · Palette generator →

#399DC0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva