#28A9D1#28A9D1

#28A9D1 is a light, moderate cyan. Relative luminance 0.334; OKLCH L 68.6% C 0.120 H 224.4°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX#28A9D1
RGBrgb(40, 169, 209)
HSLhsl(194, 68%, 49%)
HSVhsv(194, 81%, 82%)
CMYKcmyk(80.9%, 19.1%, 0%, 18%)
CIE-LABlab(64.51, -20.09, -29.91)
CIE-LCHlch(64.51, 36.03, 236.11°)
OKLaboklab(68.56% -0.0856 -0.084)
OKLCHoklch(68.56% 0.12 224.4)
XYZxyz(26.5668, 33.4272, 65.3611)
Luminance0.3343 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28A9D1 #D15028
analogous
#28D1A5 #28A9D1 #2855D1
triadic
#28A9D1 #D128A9 #A9D128
tetradic
#28A9D1 #A528D1 #D15028 #55D128
square
#28A9D1 #A528D1 #D15028 #55D128
split-complementary
#28A9D1 #D12855 #D1A528
monochromatic
#14566A #1E7F9E #28A9D1 #57BFDF #8BD2E9

Accessibility & contrast

On white

2.73
#28A9D1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.69
#28A9D1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28A9D1
7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28A9D1#FFFFFF#000000##000000
##28A9D11.002.737.697.69
#FFFFFF2.731.0021.0021.00
#0000007.6921.001.001.00
##0000007.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#93A5D3
Deuteranopia (green-blind)
#7D96D1
Tritanopia (blue-blind)
#00B5B6
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #28a9d1;
/* rgb */ color: rgb(40, 169, 209);
/* oklch */ color: oklch(68.6% 0.120 224.4);
Tailwind
colors: {
  custom: {
    50: '#7fc2df',
    500: '#28a9d1',
    950: '#000000',
  },
}
SCSS
$custom: #28a9d1;
$custom-light: #7fc2df;
$custom-dark: #000000;
JSON
{
  "hex": "#28a9d1",
  "rgb": {
    "r": 40,
    "g": 169,
    "b": 209
  },
  "hsl": {
    "h": 194.201,
    "s": 67.871,
    "l": 48.824
  },
  "oklch": {
    "l": 0.68563,
    "c": 0.1199,
    "h": 224.4
  },
  "luminance": 0.3343
}

Semantic roles & 50–950 ramp

primary
#28A9D1
secondary
#D39582
accent
#663DEB
background
#F8FBFD
surface
#F0F7FB
border
#CBD0D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #28A9D1

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

Preview Lab → · Contrast checker → · Palette generator →

#28A9D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva