#399EBA#399EBA

#399EBA is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.3% C 0.100 H 219.9°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX#399EBA
RGBrgb(57, 158, 186)
HSLhsl(193, 53%, 48%)
HSVhsv(193, 69%, 73%)
CMYKcmyk(69.4%, 15.1%, 0%, 27.1%)
CIE-LABlab(60.66, -19.89, -22.96)
CIE-LCHlch(60.66, 30.38, 229.09°)
OKLaboklab(65.29% -0.0766 -0.0641)
OKLCHoklch(65.29% 0.1 219.9)
XYZxyz(22.7735, 28.8662, 50.8164)
Luminance0.2887 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399EBA #BA5539
analogous
#39BA95 #399EBA #395EBA
triadic
#399EBA #BA399E #9EBA39
tetradic
#399EBA #9539BA #BA5539 #5EBA39
square
#399EBA #9539BA #BA5539 #5EBA39
split-complementary
#399EBA #BA395E #BA9539
monochromatic
#1C4E5C #2B768B #399EBA #61B7CF #90CCDD

Accessibility & contrast

On white

3.10
#399EBA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.77
#399EBA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EBA
6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399EBA#FFFFFF#000000##000000
##399EBA1.003.106.776.77
#FFFFFF3.101.0021.0021.00
#0000006.7721.001.001.00
##0000006.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D9ABC
Deuteranopia (green-blind)
#7B8DBA
Tritanopia (blue-blind)
#00A7A7
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #399eba;
/* rgb */ color: rgb(57, 158, 186);
/* oklch */ color: oklch(65.3% 0.100 219.9);
Tailwind
colors: {
  custom: {
    50: '#80bace',
    500: '#399eba',
    950: '#000000',
  },
}
SCSS
$custom: #399eba;
$custom-light: #80bace;
$custom-dark: #000000;
JSON
{
  "hex": "#399eba",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 186
  },
  "hsl": {
    "h": 193.023,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.65287,
    "c": 0.09988,
    "h": 219.9
  },
  "luminance": 0.28869
}

Semantic roles & 50–950 ramp

primary
#399EBA
secondary
#C89587
accent
#6B4BDC
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #399EBA

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

Preview Lab → · Contrast checker → · Palette generator →

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