#28B4BB#28B4BB

#28B4BB is a light, moderate teal. Relative luminance 0.367; OKLCH L 70.3% C 0.112 H 200.2°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX#28B4BB
RGBrgb(40, 180, 187)
HSLhsl(183, 65%, 45%)
HSVhsv(183, 79%, 73%)
CMYKcmyk(78.6%, 3.7%, 0%, 26.7%)
CIE-LABlab(67.03, -32.66, -13.87)
CIE-LCHlch(67.03, 35.48, 203.01°)
OKLaboklab(70.34% -0.1049 -0.0386)
OKLCHoklch(70.34% 0.112 200.2)
XYZxyz(26.1619, 36.6782, 52.7048)
Luminance0.3668 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28B4BB #BB2F28
analogous
#28BB79 #28B4BB #286BBB
triadic
#28B4BB #BB28B4 #B4BB28
tetradic
#28B4BB #7928BB #BB2F28 #6BBB28
square
#28B4BB #7928BB #BB2F28 #6BBB28
split-complementary
#28B4BB #BB286B #BB7928
monochromatic
#125356 #1D8389 #28B4BB #48D1D8 #7BDEE3

Accessibility & contrast

On white

2.52
#28B4BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.34
#28B4BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B4BB
8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28B4BB#FFFFFF#000000##000000
##28B4BB1.002.528.348.34
#FFFFFF2.521.0021.0021.00
#0000008.3421.001.001.00
##0000008.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A6ACBC
Deuteranopia (green-blind)
#929DBC
Tritanopia (blue-blind)
#00BBB6
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #28b4bb;
/* rgb */ color: rgb(40, 180, 187);
/* oklch */ color: oklch(70.3% 0.112 200.2);
Tailwind
colors: {
  custom: {
    50: '#7dcbcf',
    500: '#28b4bb',
    950: '#000000',
  },
}
SCSS
$custom: #28b4bb;
$custom-light: #7dcbcf;
$custom-dark: #000000;
JSON
{
  "hex": "#28b4bb",
  "rgb": {
    "r": 40,
    "g": 180,
    "b": 187
  },
  "hsl": {
    "h": 182.857,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.70342,
    "c": 0.1118,
    "h": 200.2
  },
  "luminance": 0.36681
}

Semantic roles & 50–950 ramp

primary
#28B4BB
secondary
#CB7874
accent
#4840E8
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0B1313
muted
#7C8282

Preview Lab

Preview with #28B4BB

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

Preview Lab → · Contrast checker → · Palette generator →

#28B4BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva