#399FAC#399FAC

#399FAC is a light, moderate teal. Relative luminance 0.286; OKLCH L 65.0% C 0.094 H 207.1°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX#399FAC
RGBrgb(57, 159, 172)
HSLhsl(187, 50%, 45%)
HSVhsv(187, 67%, 67%)
CMYKcmyk(66.9%, 7.6%, 0%, 32.5%)
CIE-LABlab(60.46, -24.80, -15.37)
CIE-LCHlch(60.46, 29.18, 211.79°)
OKLaboklab(64.96% -0.0834 -0.0426)
OKLCHoklch(64.96% 0.094 207.1)
XYZxyz(21.5287, 28.6423, 43.4156)
Luminance0.2864 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399FAC #AC4639
analogous
#39AC80 #399FAC #3965AC
triadic
#399FAC #AC399F #9FAC39
tetradic
#399FAC #8039AC #AC4639 #65AC39
square
#399FAC #8039AC #AC4639 #65AC39
split-complementary
#399FAC #AC3965 #AC8039
monochromatic
#1B4A50 #2A757E #399FAC #5ABCC8 #88CFD8

Accessibility & contrast

On white

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

On black

6.73
#399FAC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399FAC
6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399FAC#FFFFFF#000000##000000
##399FAC1.003.126.736.73
#FFFFFF3.121.0021.0021.00
#0000006.7321.001.001.00
##0000006.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#9299AD
Deuteranopia (green-blind)
#818CAC
Tritanopia (blue-blind)
#00A6A3
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #399fac;
/* rgb */ color: rgb(57, 159, 172);
/* oklch */ color: oklch(65.0% 0.094 207.1);
Tailwind
colors: {
  custom: {
    50: '#7ebbc4',
    500: '#399fac',
    950: '#000000',
  },
}
SCSS
$custom: #399fac;
$custom-light: #7ebbc4;
$custom-dark: #000000;
JSON
{
  "hex": "#399fac",
  "rgb": {
    "r": 57,
    "g": 159,
    "b": 172
  },
  "hsl": {
    "h": 186.783,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.64961,
    "c": 0.09365,
    "h": 207.1
  },
  "luminance": 0.28645
}

Semantic roles & 50–950 ramp

primary
#399FAC
secondary
#C2877F
accent
#5E4EDA
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1212
muted
#7C8181

Preview Lab

Preview with #399FAC

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

Preview Lab → · Contrast checker → · Palette generator →

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