#399FC6#399FC6

#399FC6 is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.1% C 0.108 H 227.6°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX#399FC6
RGBrgb(57, 159, 198)
HSLhsl(197, 55%, 50%)
HSVhsv(197, 71%, 78%)
CMYKcmyk(71.2%, 19.7%, 0%, 22.4%)
CIE-LABlab(61.43, -16.52, -28.51)
CIE-LCHlch(61.43, 32.95, 239.91°)
OKLaboklab(66.05% -0.0731 -0.0799)
OKLCHoklch(66.05% 0.108 227.6)
XYZxyz(24.2744, 29.7406, 57.8763)
Luminance0.2974 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399FC6 #C66039
analogous
#39C6A7 #399FC6 #3958C6
triadic
#399FC6 #C6399F #9FC639
tetradic
#399FC6 #A739C6 #C66039 #58C639
square
#399FC6 #A739C6 #C66039 #58C639
split-complementary
#399FC6 #C63958 #C6A739
monochromatic
#1E5367 #2B7996 #399FC6 #69B6D4 #98CDE1

Accessibility & contrast

On white

3.02
#399FC6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.95
#399FC6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399FC6
6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399FC6#FFFFFF#000000##000000
##399FC61.003.026.956.95
#FFFFFF3.021.0021.0021.00
#0000006.9521.001.001.00
##0000006.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A9CC8
Deuteranopia (green-blind)
#778EC6
Tritanopia (blue-blind)
#00AAAC
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #399fc6;
/* rgb */ color: rgb(57, 159, 198);
/* oklch */ color: oklch(66.1% 0.108 227.6);
Tailwind
colors: {
  custom: {
    50: '#81bbd7',
    500: '#399fc6',
    950: '#000000',
  },
}
SCSS
$custom: #399fc6;
$custom-light: #81bbd7;
$custom-dark: #000000;
JSON
{
  "hex": "#399fc6",
  "rgb": {
    "r": 57,
    "g": 159,
    "b": 198
  },
  "hsl": {
    "h": 196.596,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.66055,
    "c": 0.10828,
    "h": 227.6
  },
  "luminance": 0.29743
}

Semantic roles & 50–950 ramp

primary
#399FC6
secondary
#CD9F8E
accent
#7349DF
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #399FC6

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

Preview Lab → · Contrast checker → · Palette generator →

#399FC6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva