#28A0B9#28A0B9

#28A0B9 is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.3% C 0.106 H 215.6°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX#28A0B9
RGBrgb(40, 160, 185)
HSLhsl(190, 64%, 44%)
HSVhsv(190, 78%, 73%)
CMYKcmyk(78.4%, 13.5%, 0%, 27.5%)
CIE-LABlab(60.86, -23.39, -22.12)
CIE-LCHlch(60.86, 32.19, 223.40°)
OKLaboklab(65.33% -0.0864 -0.0618)
OKLCHoklch(65.33% 0.106 215.6)
XYZxyz(22.1991, 29.0928, 50.3350)
Luminance0.2910 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28A0B9 #B94128
analogous
#28B98A #28A0B9 #2858B9
triadic
#28A0B9 #B928A0 #A0B928
tetradic
#28A0B9 #8A28B9 #B94128 #58B928
square
#28A0B9 #8A28B9 #B94128 #58B928
split-complementary
#28A0B9 #B92858 #B98A28
monochromatic
#124954 #1D7487 #28A0B9 #47BED7 #79D0E2

Accessibility & contrast

On white

3.08
#28A0B9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.82
#28A0B9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28A0B9
6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28A0B9#FFFFFF#000000##000000
##28A0B91.003.086.826.82
#FFFFFF3.081.0021.0021.00
#0000006.8221.001.001.00
##0000006.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F9BBA
Deuteranopia (green-blind)
#7B8DB9
Tritanopia (blue-blind)
#00A9A8
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #28a0b9;
/* rgb */ color: rgb(40, 160, 185);
/* oklch */ color: oklch(65.3% 0.106 215.6);
Tailwind
colors: {
  custom: {
    50: '#7abcce',
    500: '#28a0b9',
    950: '#000000',
  },
}
SCSS
$custom: #28a0b9;
$custom-light: #7abcce;
$custom-dark: #000000;
JSON
{
  "hex": "#28a0b9",
  "rgb": {
    "r": 40,
    "g": 160,
    "b": 185
  },
  "hsl": {
    "h": 190.345,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.6533,
    "c": 0.1062,
    "h": 215.6
  },
  "luminance": 0.29096
}

Semantic roles & 50–950 ramp

primary
#28A0B9
secondary
#CA8273
accent
#5D40E7
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1213
muted
#7C8182

Preview Lab

Preview with #28A0B9

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

Preview Lab → · Contrast checker → · Palette generator →

#28A0B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva