#399DBA#399DBA

#399DBA is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.0% C 0.100 H 220.8°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX#399DBA
RGBrgb(57, 157, 186)
HSLhsl(193, 53%, 48%)
HSVhsv(193, 69%, 73%)
CMYKcmyk(69.4%, 15.6%, 0%, 27.1%)
CIE-LABlab(60.36, -19.37, -23.42)
CIE-LCHlch(60.36, 30.39, 230.41°)
OKLaboklab(65.05% -0.0756 -0.0654)
OKLCHoklch(65.05% 0.1 220.8)
XYZxyz(22.6036, 28.5264, 50.7597)
Luminance0.2853 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399DBA #BA5639
analogous
#39BA96 #399DBA #395DBA
triadic
#399DBA #BA399D #9DBA39
tetradic
#399DBA #9639BA #BA5639 #5DBA39
square
#399DBA #9639BA #BA5639 #5DBA39
split-complementary
#399DBA #BA395D #BA9639
monochromatic
#1C4E5C #2B758B #399DBA #61B6CF #90CCDD

Accessibility & contrast

On white

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

On black

6.71
#399DBA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DBA
6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399DBA#FFFFFF#000000##000000
##399DBA1.003.136.716.71
#FFFFFF3.131.0021.0021.00
#0000006.7121.001.001.00
##0000006.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C99BC
Deuteranopia (green-blind)
#7A8CBA
Tritanopia (blue-blind)
#00A6A6
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #399dba;
/* rgb */ color: rgb(57, 157, 186);
/* oklch */ color: oklch(65.0% 0.100 220.8);
Tailwind
colors: {
  custom: {
    50: '#80bace',
    500: '#399dba',
    950: '#000000',
  },
}
SCSS
$custom: #399dba;
$custom-light: #80bace;
$custom-dark: #000000;
JSON
{
  "hex": "#399dba",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 186
  },
  "hsl": {
    "h": 193.488,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.65045,
    "c": 0.09994,
    "h": 220.8
  },
  "luminance": 0.28529
}

Semantic roles & 50–950 ramp

primary
#399DBA
secondary
#C89587
accent
#6C4BDC
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #399DBA

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

Preview Lab → · Contrast checker → · Palette generator →

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