#28A3CA#28A3CA

#28A3CA is a light, moderate cyan. Relative luminance 0.309; OKLCH L 66.8% C 0.116 H 224.8°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX#28A3CA
RGBrgb(40, 163, 202)
HSLhsl(194, 67%, 47%)
HSVhsv(194, 80%, 79%)
CMYKcmyk(80.2%, 19.3%, 0%, 20.8%)
CIE-LABlab(62.43, -19.29, -29.23)
CIE-LCHlch(62.43, 35.02, 236.58°)
OKLaboklab(66.81% -0.0826 -0.082)
OKLCHoklch(66.81% 0.116 224.8)
XYZxyz(24.6285, 30.9067, 60.5332)
Luminance0.3091 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28A3CA #CA4F28
analogous
#28CAA0 #28A3CA #2852CA
triadic
#28A3CA #CA28A3 #A3CA28
tetradic
#28A3CA #A028CA #CA4F28 #52CA28
square
#28A3CA #A028CA #CA4F28 #52CA28
split-complementary
#28A3CA #CA2852 #CAA028
monochromatic
#145164 #1E7A97 #28A3CA #52BBDD #85CFE7

Accessibility & contrast

On white

2.92
#28A3CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.18
#28A3CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28A3CA
7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28A3CA#FFFFFF#000000##000000
##28A3CA1.002.927.187.18
#FFFFFF2.921.0021.0021.00
#0000007.1821.001.001.00
##0000007.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D9FCC
Deuteranopia (green-blind)
#7890CA
Tritanopia (blue-blind)
#00AFB0
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #28a3ca;
/* rgb */ color: rgb(40, 163, 202);
/* oklch */ color: oklch(66.8% 0.116 224.8);
Tailwind
colors: {
  custom: {
    50: '#7dbeda',
    500: '#28a3ca',
    950: '#000000',
  },
}
SCSS
$custom: #28a3ca;
$custom-light: #7dbeda;
$custom-dark: #000000;
JSON
{
  "hex": "#28a3ca",
  "rgb": {
    "r": 40,
    "g": 163,
    "b": 202
  },
  "hsl": {
    "h": 194.444,
    "s": 66.942,
    "l": 47.451
  },
  "oklch": {
    "l": 0.66805,
    "c": 0.11645,
    "h": 224.8
  },
  "luminance": 0.3091
}

Semantic roles & 50–950 ramp

primary
#28A3CA
secondary
#D0917E
accent
#673EEA
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0B1214
muted
#7C8183

Preview Lab

Preview with #28A3CA

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

Preview Lab → · Contrast checker → · Palette generator →

#28A3CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva