#399CA5#399CA5

#399CA5 is a light, moderate teal. Relative luminance 0.274; OKLCH L 63.9% C 0.091 H 203.7°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX#399CA5
RGBrgb(57, 156, 165)
HSLhsl(185, 49%, 44%)
HSVhsv(185, 65%, 65%)
CMYKcmyk(65.5%, 5.5%, 0%, 35.3%)
CIE-LABlab(59.31, -25.41, -13.16)
CIE-LCHlch(59.31, 28.61, 207.38°)
OKLaboklab(63.95% -0.0832 -0.0365)
OKLCHoklch(63.95% 0.091 203.7)
XYZxyz(20.3644, 27.3612, 39.7980)
Luminance0.2736 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399CA5 #A54239
analogous
#39A578 #399CA5 #3966A5
triadic
#399CA5 #A5399C #9CA539
tetradic
#399CA5 #7839A5 #A54239 #66A539
square
#399CA5 #7839A5 #A54239 #66A539
split-complementary
#399CA5 #A53966 #A57839
monochromatic
#1A464A #297178 #399CA5 #56BCC5 #84CED4

Accessibility & contrast

On white

3.24
#399CA5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.47
#399CA5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399CA5
6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399CA5#FFFFFF#000000##000000
##399CA51.003.246.476.47
#FFFFFF3.241.0021.0021.00
#0000006.4721.001.001.00
##0000006.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9096A6
Deuteranopia (green-blind)
#808AA5
Tritanopia (blue-blind)
#00A29F
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #399ca5;
/* rgb */ color: rgb(57, 156, 165);
/* oklch */ color: oklch(63.9% 0.091 203.7);
Tailwind
colors: {
  custom: {
    50: '#7db9bf',
    500: '#399ca5',
    950: '#000000',
  },
}
SCSS
$custom: #399ca5;
$custom-light: #7db9bf;
$custom-dark: #000000;
JSON
{
  "hex": "#399ca5",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 165
  },
  "hsl": {
    "h": 185,
    "s": 48.649,
    "l": 43.529
  },
  "oklch": {
    "l": 0.63948,
    "c": 0.09085,
    "h": 203.7
  },
  "luminance": 0.27363
}

Semantic roles & 50–950 ramp

primary
#399CA5
secondary
#BE817B
accent
#5B50D8
background
#F8FBFB
surface
#EFF6F7
border
#CAD0D0
text
#0B1112
muted
#7C8081

Preview Lab

Preview with #399CA5

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

Preview Lab → · Contrast checker → · Palette generator →

#399CA5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva