#2A9BB4#2A9BB4

#2A9BB4 is a light, moderate cyan. Relative luminance 0.272; OKLCH L 63.9% C 0.103 H 216.4°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX#2A9BB4
RGBrgb(42, 155, 180)
HSLhsl(191, 62%, 44%)
HSVhsv(191, 77%, 71%)
CMYKcmyk(76.7%, 13.9%, 0%, 29.4%)
CIE-LABlab(59.18, -22.23, -21.87)
CIE-LCHlch(59.18, 31.18, 224.53°)
OKLaboklab(63.93% -0.0828 -0.0611)
OKLCHoklch(63.93% 0.103 216.4)
XYZxyz(20.9109, 27.2277, 47.3245)
Luminance0.2723 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A9BB4 #B4432A
analogous
#2AB488 #2A9BB4 #2A56B4
triadic
#2A9BB4 #B42A9B #9BB42A
tetradic
#2A9BB4 #882AB4 #B4432A #56B42A
square
#2A9BB4 #882AB4 #B4432A #56B42A
split-complementary
#2A9BB4 #B42A56 #B4882A
monochromatic
#134651 #1E7082 #2A9BB4 #47BBD4 #79CDE0

Accessibility & contrast

On white

3.26
#2A9BB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.45
#2A9BB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A9BB4
6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A9BB4#FFFFFF#000000##000000
##2A9BB41.003.266.456.45
#FFFFFF3.261.0021.0021.00
#0000006.4521.001.001.00
##0000006.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A96B5
Deuteranopia (green-blind)
#7889B4
Tritanopia (blue-blind)
#00A4A3
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #2a9bb4;
/* rgb */ color: rgb(42, 155, 180);
/* oklch */ color: oklch(63.9% 0.103 216.4);
Tailwind
colors: {
  custom: {
    50: '#7ab8ca',
    500: '#2a9bb4',
    950: '#000000',
  },
}
SCSS
$custom: #2a9bb4;
$custom-light: #7ab8ca;
$custom-dark: #000000;
JSON
{
  "hex": "#2a9bb4",
  "rgb": {
    "r": 42,
    "g": 155,
    "b": 180
  },
  "hsl": {
    "h": 190.87,
    "s": 62.162,
    "l": 43.529
  },
  "oklch": {
    "l": 0.63926,
    "c": 0.10286,
    "h": 216.4
  },
  "luminance": 0.2723
}

Semantic roles & 50–950 ramp

primary
#2A9BB4
secondary
#C88272
accent
#6043E5
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #2A9BB4

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

Preview Lab → · Contrast checker → · Palette generator →

#2A9BB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva