#399EC5#399EC5

#399EC5 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.8% C 0.108 H 227.8°. Best body text is #000000 at 6.87:1 contrast (WCAG AA passes).

Color values

HEX#399EC5
RGBrgb(57, 158, 197)
HSLhsl(197, 55%, 50%)
HSVhsv(197, 71%, 77%)
CMYKcmyk(71.1%, 19.8%, 0%, 22.7%)
CIE-LABlab(61.09, -16.31, -28.47)
CIE-LCHlch(61.09, 32.82, 240.19°)
OKLaboklab(65.77% -0.0724 -0.0798)
OKLCHoklch(65.77% 0.108 227.8)
XYZxyz(23.9882, 29.3521, 57.2138)
Luminance0.2935 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399EC5 #C56039
analogous
#39C5A6 #399EC5 #3958C5
triadic
#399EC5 #C5399E #9EC539
tetradic
#399EC5 #A639C5 #C56039 #58C539
square
#399EC5 #A639C5 #C56039 #58C539
split-complementary
#399EC5 #C53958 #C5A639
monochromatic
#1E5266 #2B7896 #399EC5 #68B5D3 #97CDE1

Accessibility & contrast

On white

3.06
#399EC5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.87
#399EC5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EC5
6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399EC5#FFFFFF#000000##000000
##399EC51.003.066.876.87
#FFFFFF3.061.0021.0021.00
#0000006.8721.001.001.00
##0000006.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#899BC7
Deuteranopia (green-blind)
#768DC4
Tritanopia (blue-blind)
#00A9AB
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #399ec5;
/* rgb */ color: rgb(57, 158, 197);
/* oklch */ color: oklch(65.8% 0.108 227.8);
Tailwind
colors: {
  custom: {
    50: '#81bad6',
    500: '#399ec5',
    950: '#000000',
  },
}
SCSS
$custom: #399ec5;
$custom-light: #81bad6;
$custom-dark: #000000;
JSON
{
  "hex": "#399ec5",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 197
  },
  "hsl": {
    "h": 196.714,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.65771,
    "c": 0.10778,
    "h": 227.8
  },
  "luminance": 0.29355
}

Semantic roles & 50–950 ramp

primary
#399EC5
secondary
#CD9F8D
accent
#7349DE
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #399EC5

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

Preview Lab → · Contrast checker → · Palette generator →

#399EC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva