#28AED0#28AED0

#28AED0 is a light, moderate cyan. Relative luminance 0.353; OKLCH L 69.7% C 0.118 H 220.0°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX#28AED0
RGBrgb(40, 174, 208)
HSLhsl(192, 68%, 49%)
HSVhsv(192, 81%, 82%)
CMYKcmyk(80.8%, 16.3%, 0%, 18.4%)
CIE-LABlab(65.96, -23.02, -27.11)
CIE-LCHlch(65.96, 35.56, 229.67°)
OKLaboklab(69.72% -0.0906 -0.0759)
OKLCHoklch(69.72% 0.118 220)
XYZxyz(27.3915, 35.2738, 65.0271)
Luminance0.3528 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28AED0 #D04A28
analogous
#28D09E #28AED0 #285AD0
triadic
#28AED0 #D028AE #AED028
tetradic
#28AED0 #9E28D0 #D04A28 #5AD028
square
#28AED0 #9E28D0 #D04A28 #5AD028
split-complementary
#28AED0 #D0285A #D09E28
monochromatic
#145869 #1E839D #28AED0 #57C3DF #8AD5E8

Accessibility & contrast

On white

2.61
#28AED0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.06
#28AED0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28AED0
8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28AED0#FFFFFF#000000##000000
##28AED01.002.618.068.06
#FFFFFF2.611.0021.0021.00
#0000008.0621.001.001.00
##0000008.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#99A9D2
Deuteranopia (green-blind)
#8399D0
Tritanopia (blue-blind)
#00B9B9
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #28aed0;
/* rgb */ color: rgb(40, 174, 208);
/* oklch */ color: oklch(69.7% 0.118 220.0);
Tailwind
colors: {
  custom: {
    50: '#7fc6de',
    500: '#28aed0',
    950: '#000000',
  },
}
SCSS
$custom: #28aed0;
$custom-light: #7fc6de;
$custom-dark: #000000;
JSON
{
  "hex": "#28aed0",
  "rgb": {
    "r": 40,
    "g": 174,
    "b": 208
  },
  "hsl": {
    "h": 192.143,
    "s": 67.742,
    "l": 48.627
  },
  "oklch": {
    "l": 0.6972,
    "c": 0.11822,
    "h": 220
  },
  "luminance": 0.35277
}

Semantic roles & 50–950 ramp

primary
#28AED0
secondary
#D29282
accent
#603DEB
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #28AED0

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

Preview Lab → · Contrast checker → · Palette generator →

#28AED0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva