#399FAB#399FAB

#399FAB is a light, moderate teal. Relative luminance 0.286; OKLCH L 64.9% C 0.093 H 206.2°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX#399FAB
RGBrgb(57, 159, 171)
HSLhsl(186, 50%, 45%)
HSVhsv(186, 67%, 67%)
CMYKcmyk(66.7%, 7%, 0%, 32.9%)
CIE-LABlab(60.43, -25.11, -14.86)
CIE-LCHlch(60.43, 29.17, 210.62°)
OKLaboklab(64.92% -0.0838 -0.0412)
OKLCHoklch(64.92% 0.093 206.2)
XYZxyz(21.4330, 28.6040, 42.9117)
Luminance0.2861 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399FAB #AB4539
analogous
#39AB7E #399FAB #3966AB
triadic
#399FAB #AB399F #9FAB39
tetradic
#399FAB #7E39AB #AB4539 #66AB39
square
#399FAB #7E39AB #AB4539 #66AB39
split-complementary
#399FAB #AB3966 #AB7E39
monochromatic
#1A4A4F #2A747D #399FAB #59BCC8 #87CFD7

Accessibility & contrast

On white

3.12
#399FAB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

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

Best text color

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

Contrast matrix

fg \ bg##399FAB#FFFFFF#000000##000000
##399FAB1.003.126.726.72
#FFFFFF3.121.0021.0021.00
#0000006.7221.001.001.00
##0000006.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#9299AC
Deuteranopia (green-blind)
#818CAB
Tritanopia (blue-blind)
#00A6A2
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #399fab;
/* rgb */ color: rgb(57, 159, 171);
/* oklch */ color: oklch(64.9% 0.093 206.2);
Tailwind
colors: {
  custom: {
    50: '#7ebbc4',
    500: '#399fab',
    950: '#000000',
  },
}
SCSS
$custom: #399fab;
$custom-light: #7ebbc4;
$custom-dark: #000000;
JSON
{
  "hex": "#399fab",
  "rgb": {
    "r": 57,
    "g": 159,
    "b": 171
  },
  "hsl": {
    "h": 186.316,
    "s": 50,
    "l": 44.706
  },
  "oklch": {
    "l": 0.64922,
    "c": 0.0934,
    "h": 206.2
  },
  "luminance": 0.28606
}

Semantic roles & 50–950 ramp

primary
#399FAB
secondary
#C1867F
accent
#5D4EDA
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1212
muted
#7C8181

Preview Lab

Preview with #399FAB

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

Preview Lab → · Contrast checker → · Palette generator →

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