#2A9DB5#2A9DB5

#2A9DB5 is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.5% C 0.103 H 215.4°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX#2A9DB5
RGBrgb(42, 157, 181)
HSLhsl(190, 62%, 44%)
HSVhsv(190, 77%, 71%)
CMYKcmyk(76.8%, 13.3%, 0%, 29%)
CIE-LABlab(59.83, -22.94, -21.44)
CIE-LCHlch(59.83, 31.40, 223.07°)
OKLaboklab(64.46% -0.0843 -0.0598)
OKLCHoklch(64.46% 0.103 215.4)
XYZxyz(21.3487, 27.9398, 47.9749)
Luminance0.2794 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A9DB5 #B5422A
analogous
#2AB587 #2A9DB5 #2A57B5
triadic
#2A9DB5 #B52A9D #9DB52A
tetradic
#2A9DB5 #872AB5 #B5422A #57B52A
square
#2A9DB5 #872AB5 #B5422A #57B52A
split-complementary
#2A9DB5 #B52A57 #B5872A
monochromatic
#134752 #1E7283 #2A9DB5 #48BCD4 #79CEE0

Accessibility & contrast

On white

3.19
#2A9DB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.59
#2A9DB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A9DB5
6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A9DB5#FFFFFF#000000##000000
##2A9DB51.003.196.596.59
#FFFFFF3.191.0021.0021.00
#0000006.5921.001.001.00
##0000006.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C98B6
Deuteranopia (green-blind)
#7A8AB5
Tritanopia (blue-blind)
#00A6A4
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #2a9db5;
/* rgb */ color: rgb(42, 157, 181);
/* oklch */ color: oklch(64.5% 0.103 215.4);
Tailwind
colors: {
  custom: {
    50: '#7abacb',
    500: '#2a9db5',
    950: '#000000',
  },
}
SCSS
$custom: #2a9db5;
$custom-light: #7abacb;
$custom-dark: #000000;
JSON
{
  "hex": "#2a9db5",
  "rgb": {
    "r": 42,
    "g": 157,
    "b": 181
  },
  "hsl": {
    "h": 190.36,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.64462,
    "c": 0.10341,
    "h": 215.4
  },
  "luminance": 0.27942
}

Semantic roles & 50–950 ramp

primary
#2A9DB5
secondary
#C88273
accent
#5F42E5
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #2A9DB5

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

Preview Lab → · Contrast checker → · Palette generator →

#2A9DB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva