#28A1BC#28A1BC

#28A1BC is a light, moderate cyan. Relative luminance 0.296; OKLCH L 65.7% C 0.108 H 216.9°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX#28A1BC
RGBrgb(40, 161, 188)
HSLhsl(191, 65%, 45%)
HSVhsv(191, 79%, 74%)
CMYKcmyk(78.7%, 14.4%, 0%, 26.3%)
CIE-LABlab(61.28, -22.92, -23.17)
CIE-LCHlch(61.28, 32.59, 225.31°)
OKLaboklab(65.7% -0.0861 -0.0647)
OKLCHoklch(65.7% 0.108 216.9)
XYZxyz(22.6932, 29.5689, 52.0785)
Luminance0.2957 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28A1BC #BC4328
analogous
#28BC8D #28A1BC #2857BC
triadic
#28A1BC #BC28A1 #A1BC28
tetradic
#28A1BC #8D28BC #BC4328 #57BC28
square
#28A1BC #8D28BC #BC4328 #57BC28
split-complementary
#28A1BC #BC2857 #BC8D28
monochromatic
#134B57 #1D768A #28A1BC #49BED8 #7BD0E3

Accessibility & contrast

On white

3.04
#28A1BC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.91
#28A1BC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28A1BC
6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28A1BC#FFFFFF#000000##000000
##28A1BC1.003.046.916.91
#FFFFFF3.041.0021.0021.00
#0000006.9121.001.001.00
##0000006.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F9CBD
Deuteranopia (green-blind)
#7C8EBC
Tritanopia (blue-blind)
#00AAA9
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #28a1bc;
/* rgb */ color: rgb(40, 161, 188);
/* oklch */ color: oklch(65.7% 0.108 216.9);
Tailwind
colors: {
  custom: {
    50: '#7bbdd0',
    500: '#28a1bc',
    950: '#000000',
  },
}
SCSS
$custom: #28a1bc;
$custom-light: #7bbdd0;
$custom-dark: #000000;
JSON
{
  "hex": "#28a1bc",
  "rgb": {
    "r": 40,
    "g": 161,
    "b": 188
  },
  "hsl": {
    "h": 190.946,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.65703,
    "c": 0.10776,
    "h": 216.9
  },
  "luminance": 0.29572
}

Semantic roles & 50–950 ramp

primary
#28A1BC
secondary
#CB8475
accent
#5F40E8
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1214
muted
#7C8182

Preview Lab

Preview with #28A1BC

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

Preview Lab → · Contrast checker → · Palette generator →

#28A1BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva