#278B9A#278B9A

#278B9A is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.8% C 0.091 H 209.7°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#278B9A
RGBrgb(39, 139, 154)
HSLhsl(188, 60%, 38%)
HSVhsv(188, 75%, 60%)
CMYKcmyk(74.7%, 9.7%, 0%, 39.6%)
CIE-LABlab(53.20, -22.77, -16.15)
CIE-LCHlch(53.20, 27.91, 215.34°)
OKLaboklab(58.77% -0.0787 -0.0449)
OKLCHoklch(58.77% 0.091 209.7)
XYZxyz(15.8995, 21.2278, 33.8250)
Luminance0.2123 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#278B9A #9A3627
analogous
#279A6F #278B9A #27519A
triadic
#278B9A #9A278B #8B9A27
tetradic
#278B9A #6F279A #9A3627 #519A27
square
#278B9A #6F279A #9A3627 #519A27
split-complementary
#278B9A #9A2751 #9A6F27
monochromatic
#0E3338 #1B5F69 #278B9A #33B7CB #64C9D8

Accessibility & contrast

On white

4.00
#278B9A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.25
#278B9A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B9A
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##278B9A#FFFFFF#000000##000000
##278B9A1.004.005.255.25
#FFFFFF4.001.0021.0021.00
#0000005.2521.001.001.00
##0000005.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E869B
Deuteranopia (green-blind)
#6E7A9A
Tritanopia (blue-blind)
#009290
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #278b9a;
/* rgb */ color: rgb(39, 139, 154);
/* oklch */ color: oklch(58.8% 0.091 209.7);
Tailwind
colors: {
  custom: {
    50: '#74adb7',
    500: '#278b9a',
    950: '#000000',
  },
}
SCSS
$custom: #278b9a;
$custom-light: #74adb7;
$custom-dark: #000000;
JSON
{
  "hex": "#278b9a",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 154
  },
  "hsl": {
    "h": 187.826,
    "s": 59.585,
    "l": 37.843
  },
  "oklch": {
    "l": 0.58766,
    "c": 0.09063,
    "h": 209.7
  },
  "luminance": 0.2123
}

Semantic roles & 50–950 ramp

primary
#278B9A
secondary
#BD6C5F
accent
#5A45E3
background
#F7FAFB
surface
#EEF4F6
border
#C9CED0
text
#091011
muted
#7B7F80

Preview Lab

Preview with #278B9A

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

Preview Lab → · Contrast checker → · Palette generator →

#278B9A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva