#399AD1#399AD1

#399AD1 is a light, vivid cyan. Relative luminance 0.286; OKLCH L 65.4% C 0.121 H 237.8°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX#399AD1
RGBrgb(57, 154, 209)
HSLhsl(202, 62%, 52%)
HSVhsv(202, 73%, 82%)
CMYKcmyk(72.7%, 26.3%, 0%, 18%)
CIE-LABlab(60.41, -10.08, -36.25)
CIE-LCHlch(60.41, 37.62, 254.46°)
OKLaboklab(65.4% -0.0643 -0.1022)
OKLCHoklch(65.4% 0.121 237.8)
XYZxyz(24.7470, 28.5817, 64.5218)
Luminance0.2858 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399AD1 #D17039
analogous
#39D1BC #399AD1 #394ED1
triadic
#399AD1 #D1399A #9AD139
tetradic
#399AD1 #BC39D1 #D17039 #4ED139
square
#399AD1 #BC39D1 #D17039 #4ED139
split-complementary
#399AD1 #D1394E #D1BC39
monochromatic
#1B5475 #2778A6 #399AD1 #6BB3DD #9CCDE8

Accessibility & contrast

On white

3.13
#399AD1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.72
#399AD1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399AD1
6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399AD1#FFFFFF#000000##000000
##399AD11.003.136.726.72
#FFFFFF3.131.0021.0021.00
#0000006.7221.001.001.00
##0000006.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#809AD4
Deuteranopia (green-blind)
#6B8BD0
Tritanopia (blue-blind)
#00A8AD
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #399ad1;
/* rgb */ color: rgb(57, 154, 209);
/* oklch */ color: oklch(65.4% 0.121 237.8);
Tailwind
colors: {
  custom: {
    50: '#83b7df',
    500: '#399ad1',
    950: '#000000',
  },
}
SCSS
$custom: #399ad1;
$custom-light: #83b7df;
$custom-dark: #000000;
JSON
{
  "hex": "#399ad1",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 209
  },
  "hsl": {
    "h": 201.711,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.65396,
    "c": 0.1208,
    "h": 237.8
  },
  "luminance": 0.28585
}

Semantic roles & 50–950 ramp

primary
#399AD1
secondary
#D4AA92
accent
#7D42E5
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #399AD1

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

Preview Lab → · Contrast checker → · Palette generator →

#399AD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva