#28A8C3#28A8C3

#28A8C3 is a light, moderate cyan. Relative luminance 0.324; OKLCH L 67.7% C 0.111 H 216.0°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX#28A8C3
RGBrgb(40, 168, 195)
HSLhsl(190, 66%, 46%)
HSVhsv(190, 79%, 76%)
CMYKcmyk(79.5%, 13.8%, 0%, 23.5%)
CIE-LABlab(63.67, -24.22, -23.42)
CIE-LCHlch(63.67, 33.69, 224.05°)
OKLaboklab(67.71% -0.0901 -0.0654)
OKLCHoklch(67.71% 0.111 216)
XYZxyz(24.7238, 32.3934, 56.5687)
Luminance0.3240 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28A8C3 #C34328
analogous
#28C390 #28A8C3 #285AC3
triadic
#28A8C3 #C328A8 #A8C328
tetradic
#28A8C3 #9028C3 #C34328 #5AC328
square
#28A8C3 #9028C3 #C34328 #5AC328
split-complementary
#28A8C3 #C3285A #C39028
monochromatic
#13505D #1E7C90 #28A8C3 #4EC2DB #80D3E5

Accessibility & contrast

On white

2.81
#28A8C3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.48
#28A8C3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28A8C3
7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28A8C3#FFFFFF#000000##000000
##28A8C31.002.817.487.48
#FFFFFF2.811.0021.0021.00
#0000007.4821.001.001.00
##0000007.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#96A3C5
Deuteranopia (green-blind)
#8194C3
Tritanopia (blue-blind)
#00B2B0
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #28a8c3;
/* rgb */ color: rgb(40, 168, 195);
/* oklch */ color: oklch(67.7% 0.111 216.0);
Tailwind
colors: {
  custom: {
    50: '#7cc2d5',
    500: '#28a8c3',
    950: '#000000',
  },
}
SCSS
$custom: #28a8c3;
$custom-light: #7cc2d5;
$custom-dark: #000000;
JSON
{
  "hex": "#28a8c3",
  "rgb": {
    "r": 40,
    "g": 168,
    "b": 195
  },
  "hsl": {
    "h": 190.452,
    "s": 65.957,
    "l": 46.078
  },
  "oklch": {
    "l": 0.67711,
    "c": 0.11133,
    "h": 216
  },
  "luminance": 0.32397
}

Semantic roles & 50–950 ramp

primary
#28A8C3
secondary
#CE8879
accent
#5D3FE9
background
#F8FBFD
surface
#EFF7FA
border
#CAD0D3
text
#0B1214
muted
#7C8183

Preview Lab

Preview with #28A8C3

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

Preview Lab → · Contrast checker → · Palette generator →

#28A8C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva