#2B9BB5#2B9BB5

#2B9BB5 is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.0% C 0.103 H 217.3°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX#2B9BB5
RGBrgb(43, 155, 181)
HSLhsl(191, 62%, 44%)
HSVhsv(191, 76%, 71%)
CMYKcmyk(76.2%, 14.4%, 0%, 29%)
CIE-LABlab(59.24, -21.78, -22.34)
CIE-LCHlch(59.24, 31.21, 225.73°)
OKLaboklab(63.99% -0.082 -0.0624)
OKLCHoklch(63.99% 0.103 217.3)
XYZxyz(21.0546, 27.2899, 47.8649)
Luminance0.2729 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B9BB5 #B5452B
analogous
#2BB58A #2B9BB5 #2B56B5
triadic
#2B9BB5 #B52B9B #9BB52B
tetradic
#2B9BB5 #8A2BB5 #B5452B #56B52B
square
#2B9BB5 #8A2BB5 #B5452B #56B52B
split-complementary
#2B9BB5 #B52B56 #B58A2B
monochromatic
#144652 #1F7184 #2B9BB5 #49BAD4 #7BCDE0

Accessibility & contrast

On white

3.25
#2B9BB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.46
#2B9BB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B9BB5
6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B9BB5#FFFFFF#000000##000000
##2B9BB51.003.256.466.46
#FFFFFF3.251.0021.0021.00
#0000006.4621.001.001.00
##0000006.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A96B6
Deuteranopia (green-blind)
#7789B5
Tritanopia (blue-blind)
#00A4A3
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #2b9bb5;
/* rgb */ color: rgb(43, 155, 181);
/* oklch */ color: oklch(64.0% 0.103 217.3);
Tailwind
colors: {
  custom: {
    50: '#7ab8cb',
    500: '#2b9bb5',
    950: '#000000',
  },
}
SCSS
$custom: #2b9bb5;
$custom-light: #7ab8cb;
$custom-dark: #000000;
JSON
{
  "hex": "#2b9bb5",
  "rgb": {
    "r": 43,
    "g": 155,
    "b": 181
  },
  "hsl": {
    "h": 191.304,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.63991,
    "c": 0.10303,
    "h": 217.3
  },
  "luminance": 0.27292
}

Semantic roles & 50–950 ramp

primary
#2B9BB5
secondary
#C88474
accent
#6243E5
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #2B9BB5

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

Preview Lab → · Contrast checker → · Palette generator →

#2B9BB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva