#378C8F#378C8F

#378C8F is a mid, moderate teal. Relative luminance 0.216; OKLCH L 59.0% C 0.081 H 198.4°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX#378C8F
RGBrgb(55, 140, 143)
HSLhsl(182, 44%, 39%)
HSVhsv(182, 62%, 56%)
CMYKcmyk(61.5%, 2.1%, 0%, 43.9%)
CIE-LABlab(53.55, -24.21, -9.22)
CIE-LCHlch(53.55, 25.91, 200.84°)
OKLaboklab(59.04% -0.0765 -0.0255)
OKLCHoklch(59.04% 0.081 198.4)
XYZxyz(15.9094, 21.5499, 29.3024)
Luminance0.2155 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#378C8F #8F3A37
analogous
#378F66 #378C8F #37608F
triadic
#378C8F #8F378C #8C8F37
tetradic
#378C8F #66378F #8F3A37 #608F37
square
#378C8F #66378F #8F3A37 #608F37
split-complementary
#378C8F #8F3760 #8F6637
monochromatic
#153537 #266163 #378C8F #4AB6B9 #76C7CA

Accessibility & contrast

On white

3.95
#378C8F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.31
#378C8F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378C8F
5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##378C8F#FFFFFF#000000##000000
##378C8F1.003.955.315.31
#FFFFFF3.951.0021.0021.00
#0000005.3121.001.001.00
##0000005.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#83868F
Deuteranopia (green-blind)
#757C90
Tritanopia (blue-blind)
#00918D
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #378c8f;
/* rgb */ color: rgb(55, 140, 143);
/* oklch */ color: oklch(59.0% 0.081 198.4);
Tailwind
colors: {
  custom: {
    50: '#79aeaf',
    500: '#378c8f',
    950: '#000000',
  },
}
SCSS
$custom: #378c8f;
$custom-light: #79aeaf;
$custom-dark: #000000;
JSON
{
  "hex": "#378c8f",
  "rgb": {
    "r": 55,
    "g": 140,
    "b": 143
  },
  "hsl": {
    "h": 182.045,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.59039,
    "c": 0.08069,
    "h": 198.4
  },
  "luminance": 0.21552
}

Semantic roles & 50–950 ramp

primary
#378C8F
secondary
#B3716F
accent
#5854D4
background
#F7FAFA
surface
#EEF4F4
border
#C9CECE
text
#0A1010
muted
#7C7F7F

Preview Lab

Preview with #378C8F

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

Preview Lab → · Contrast checker → · Palette generator →

#378C8F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva