#399CC0#399CC0

#399CC0 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.1% C 0.104 H 226.2°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#399CC0
RGBrgb(57, 156, 192)
HSLhsl(196, 54%, 49%)
HSVhsv(196, 70%, 75%)
CMYKcmyk(70.3%, 18.7%, 0%, 24.7%)
CIE-LABlab(60.29, -16.88, -26.90)
CIE-LCHlch(60.29, 31.76, 237.89°)
OKLaboklab(65.07% -0.0723 -0.0753)
OKLCHoklch(65.07% 0.104 226.2)
XYZxyz(23.0864, 28.4500, 54.1336)
Luminance0.2845 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399CC0 #C05D39
analogous
#39C0A1 #399CC0 #3959C0
triadic
#399CC0 #C0399C #9CC039
tetradic
#399CC0 #A139C0 #C05D39 #59C039
square
#399CC0 #A139C0 #C05D39 #59C039
split-complementary
#399CC0 #C03959 #C0A139
monochromatic
#1D4F62 #2B7691 #399CC0 #65B4D1 #94CBDF

Accessibility & contrast

On white

3.14
#399CC0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.69
#399CC0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399CC0
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399CC0#FFFFFF#000000##000000
##399CC01.003.146.696.69
#FFFFFF3.141.0021.0021.00
#0000006.6921.001.001.00
##0000006.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8899C2
Deuteranopia (green-blind)
#768BC0
Tritanopia (blue-blind)
#00A7A8
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #399cc0;
/* rgb */ color: rgb(57, 156, 192);
/* oklch */ color: oklch(65.1% 0.104 226.2);
Tailwind
colors: {
  custom: {
    50: '#80b9d3',
    500: '#399cc0',
    950: '#000000',
  },
}
SCSS
$custom: #399cc0;
$custom-light: #80b9d3;
$custom-dark: #000000;
JSON
{
  "hex": "#399cc0",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 192
  },
  "hsl": {
    "h": 196,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.65067,
    "c": 0.10439,
    "h": 226.2
  },
  "luminance": 0.28453
}

Semantic roles & 50–950 ramp

primary
#399CC0
secondary
#CB9B8A
accent
#724ADE
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #399CC0

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

Preview Lab → · Contrast checker → · Palette generator →

#399CC0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva