#278B8B#278B8B

#278B8B is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.2% C 0.088 H 195.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX#278B8B
RGBrgb(39, 139, 139)
HSLhsl(180, 56%, 35%)
HSVhsv(180, 72%, 55%)
CMYKcmyk(71.9%, 0%, 0%, 45.5%)
CIE-LABlab(52.68, -27.50, -8.23)
CIE-LCHlch(52.68, 28.71, 196.66°)
OKLaboklab(58.18% -0.0854 -0.0229)
OKLCHoklch(58.18% 0.088 195)
XYZxyz(14.7274, 20.7589, 27.6518)
Luminance0.2076 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#278B8B #8B2727
analogous
#278B59 #278B8B #27598B
triadic
#278B8B #8B278B #8B8B27
tetradic
#278B8B #59278B #8B2727 #598B27
square
#278B8B #59278B #8B2727 #598B27
split-complementary
#278B8B #8B2759 #8B5927
monochromatic
#0C2B2B #1A5B5B #278B8B #34BBBB #5BD1D1

Accessibility & contrast

On white

4.08
#278B8B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.15
#278B8B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B8B
5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##278B8B#FFFFFF#000000##000000
##278B8B1.004.085.155.15
#FFFFFF4.081.0021.0021.00
#0000005.1521.001.001.00
##0000005.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#82848B
Deuteranopia (green-blind)
#73798C
Tritanopia (blue-blind)
#00908B
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #278b8b;
/* rgb */ color: rgb(39, 139, 139);
/* oklch */ color: oklch(58.2% 0.088 195.0);
Tailwind
colors: {
  custom: {
    50: '#72adac',
    500: '#278b8b',
    950: '#000000',
  },
}
SCSS
$custom: #278b8b;
$custom-light: #72adac;
$custom-dark: #000000;
JSON
{
  "hex": "#278b8b",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 139
  },
  "hsl": {
    "h": 180,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.58181,
    "c": 0.08842,
    "h": 195
  },
  "luminance": 0.20761
}

Semantic roles & 50–950 ramp

primary
#278B8B
secondary
#B65858
accent
#4848DF
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#091010
muted
#7B7F7F

Preview Lab

Preview with #278B8B

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

Preview Lab → · Contrast checker → · Palette generator →

#278B8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva