#2A9BB9#2A9BB9

#2A9BB9 is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.1% C 0.106 H 220.2°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX#2A9BB9
RGBrgb(42, 155, 185)
HSLhsl(193, 63%, 45%)
HSVhsv(193, 77%, 73%)
CMYKcmyk(77.3%, 16.2%, 0%, 27.5%)
CIE-LABlab(59.37, -20.57, -24.40)
CIE-LCHlch(59.37, 31.92, 229.86°)
OKLaboklab(64.14% -0.0808 -0.0683)
OKLCHoklch(64.14% 0.106 220.2)
XYZxyz(21.4295, 27.4351, 50.0556)
Luminance0.2744 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A9BB9 #B9482A
analogous
#2AB98F #2A9BB9 #2A54B9
triadic
#2A9BB9 #B92A9B #9BB92A
tetradic
#2A9BB9 #8F2AB9 #B9482A #54B92A
square
#2A9BB9 #8F2AB9 #B9482A #54B92A
split-complementary
#2A9BB9 #B92A54 #B98F2A
monochromatic
#134755 #1F7187 #2A9BB9 #4AB9D6 #7CCCE1

Accessibility & contrast

On white

3.24
#2A9BB9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.49
#2A9BB9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A9BB9
6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A9BB9#FFFFFF#000000##000000
##2A9BB91.003.246.496.49
#FFFFFF3.241.0021.0021.00
#0000006.4921.001.001.00
##0000006.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8997BB
Deuteranopia (green-blind)
#7689B9
Tritanopia (blue-blind)
#00A5A5
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #2a9bb9;
/* rgb */ color: rgb(42, 155, 185);
/* oklch */ color: oklch(64.1% 0.106 220.2);
Tailwind
colors: {
  custom: {
    50: '#7ab8ce',
    500: '#2a9bb9',
    950: '#000000',
  },
}
SCSS
$custom: #2a9bb9;
$custom-light: #7ab8ce;
$custom-dark: #000000;
JSON
{
  "hex": "#2a9bb9",
  "rgb": {
    "r": 42,
    "g": 155,
    "b": 185
  },
  "hsl": {
    "h": 192.587,
    "s": 62.996,
    "l": 44.51
  },
  "oklch": {
    "l": 0.64143,
    "c": 0.10577,
    "h": 220.2
  },
  "luminance": 0.27438
}

Semantic roles & 50–950 ramp

primary
#2A9BB9
secondary
#CA8775
accent
#6442E6
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #2A9BB9

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

Preview Lab → · Contrast checker → · Palette generator →

#2A9BB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva