#278E5B#278E5B

#278E5B is a mid, vivid teal. Relative luminance 0.205; OKLCH L 57.6% C 0.122 H 156.9°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#278E5B
RGBrgb(39, 142, 91)
HSLhsl(150, 57%, 35%)
HSVhsv(150, 73%, 56%)
CMYKcmyk(72.5%, 0%, 35.9%, 44.3%)
CIE-LABlab(52.43, -41.40, 18.99)
CIE-LCHlch(52.43, 45.55, 155.36°)
OKLaboklab(57.57% -0.1121 0.0478)
OKLCHoklch(57.57% 0.122 156.9)
XYZxyz(12.3968, 20.5313, 13.2051)
Luminance0.2053 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#278E5B #8E275A
analogous
#278E27 #278E5B #278D8E
triadic
#278E5B #5B278E #8E5B27
tetradic
#278E5B #27278E #8E275A #8D8E27
square
#278E5B #27278E #8E275A #8D8E27
split-complementary
#278E5B #8E278D #8E2727
monochromatic
#0D2E1D #1A5E3C #278E5B #34BE7A #5DD298

Accessibility & contrast

On white

4.11
#278E5B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.11
#278E5B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E5B
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##278E5B#FFFFFF#000000##000000
##278E5B1.004.115.115.11
#FFFFFF4.111.0021.0021.00
#0000005.1121.001.001.00
##0000005.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D8358
Deuteranopia (green-blind)
#80795E
Tritanopia (blue-blind)
#008D81
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #278e5b;
/* rgb */ color: rgb(39, 142, 91);
/* oklch */ color: oklch(57.6% 0.122 156.9);
Tailwind
colors: {
  custom: {
    50: '#70b089',
    500: '#278e5b',
    950: '#000000',
  },
}
SCSS
$custom: #278e5b;
$custom-light: #70b089;
$custom-dark: #000000;
JSON
{
  "hex": "#278e5b",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 91
  },
  "hsl": {
    "h": 150.291,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57569,
    "c": 0.12189,
    "h": 156.9
  },
  "luminance": 0.20533
}

Semantic roles & 50–950 ramp

primary
#278E5B
secondary
#B85988
accent
#4893E0
background
#F7FAF8
surface
#EDF5F0
border
#C8CFCB
text
#08100B
muted
#7B7F7C

Preview Lab

Preview with #278E5B

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

Preview Lab → · Contrast checker → · Palette generator →

#278E5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva