#397F8A#397F8A

#397F8A is a mid, moderate teal. Relative luminance 0.179; OKLCH L 55.6% C 0.072 H 209.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#397F8A
RGBrgb(57, 127, 138)
HSLhsl(188, 42%, 38%)
HSVhsv(188, 59%, 54%)
CMYKcmyk(58.7%, 8%, 0%, 45.9%)
CIE-LABlab(49.35, -18.50, -12.60)
CIE-LCHlch(49.35, 22.39, 214.25°)
OKLaboklab(55.62% -0.0627 -0.0349)
OKLCHoklch(55.62% 0.072 209.1)
XYZxyz(13.8623, 17.8822, 26.7609)
Luminance0.1788 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397F8A #8A4439
analogous
#398A6C #397F8A #39568A
triadic
#397F8A #8A397F #7F8A39
tetradic
#397F8A #6C398A #8A4439 #568A39
square
#397F8A #6C398A #8A4439 #568A39
split-complementary
#397F8A #8A3956 #8A6C39
monochromatic
#152F33 #27575F #397F8A #4BA6B5 #77BCC7

Accessibility & contrast

On white

4.59
#397F8A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.58
#397F8A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397F8A
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397F8A#FFFFFF#000000##FFFFFF
##397F8A1.004.594.584.59
#FFFFFF4.591.0021.001.00
#0000004.5821.001.0021.00
##FFFFFF4.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#757B8B
Deuteranopia (green-blind)
#68718A
Tritanopia (blue-blind)
#008482
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #397f8a;
/* rgb */ color: rgb(57, 127, 138);
/* oklch */ color: oklch(55.6% 0.072 209.1);
Tailwind
colors: {
  custom: {
    50: '#78a4ac',
    500: '#397f8a',
    950: '#000000',
  },
}
SCSS
$custom: #397f8a;
$custom-light: #78a4ac;
$custom-dark: #000000;
JSON
{
  "hex": "#397f8a",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 138
  },
  "hsl": {
    "h": 188.148,
    "s": 41.538,
    "l": 38.235
  },
  "oklch": {
    "l": 0.55623,
    "c": 0.07172,
    "h": 209.1
  },
  "luminance": 0.17884
}

Semantic roles & 50–950 ramp

primary
#397F8A
secondary
#B0786F
accent
#6756D1
background
#F7FAFA
surface
#EEF4F4
border
#C9CECE
text
#090F10
muted
#7B7F7F

Preview Lab

Preview with #397F8A

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

Preview Lab → · Contrast checker → · Palette generator →

#397F8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva