#3BB9D9#3BB9D9

#3BB9D9 is a light, moderate cyan. Relative luminance 0.406; OKLCH L 73.1% C 0.116 H 218.7°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX#3BB9D9
RGBrgb(59, 185, 217)
HSLhsl(192, 68%, 54%)
HSVhsv(192, 73%, 85%)
CMYKcmyk(72.8%, 14.7%, 0%, 14.9%)
CIE-LABlab(69.92, -23.70, -25.95)
CIE-LCHlch(69.92, 35.14, 227.60°)
OKLaboklab(73.11% -0.0905 -0.0725)
OKLCHoklch(73.11% 0.116 218.7)
XYZxyz(31.6717, 40.6337, 71.8061)
Luminance0.4064 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3BB9D9 #D95B3B
analogous
#3BD9AA #3BB9D9 #3B6AD9
triadic
#3BB9D9 #D93BB9 #B9D93B
tetradic
#3BB9D9 #AA3BD9 #D95B3B #6AD93B
square
#3BB9D9 #AA3BD9 #D95B3B #6AD93B
split-complementary
#3BB9D9 #D93B6A #D9AA3B
monochromatic
#196C81 #2397B4 #3BB9D9 #6ECBE3 #A2DEED

Accessibility & contrast

On white

2.30
#3BB9D9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.13
#3BB9D9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB9D9
9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3BB9D9#FFFFFF#000000##000000
##3BB9D91.002.309.139.13
#FFFFFF2.301.0021.0021.00
#0000009.1321.001.001.00
##0000009.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5B4DB
Deuteranopia (green-blind)
#8FA4D9
Tritanopia (blue-blind)
#00C4C3
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #3bb9d9;
/* rgb */ color: rgb(59, 185, 217);
/* oklch */ color: oklch(73.1% 0.116 218.7);
Tailwind
colors: {
  custom: {
    50: '#87cee4',
    500: '#3bb9d9',
    950: '#000000',
  },
}
SCSS
$custom: #3bb9d9;
$custom-light: #87cee4;
$custom-dark: #000000;
JSON
{
  "hex": "#3bb9d9",
  "rgb": {
    "r": 59,
    "g": 185,
    "b": 217
  },
  "hsl": {
    "h": 192.152,
    "s": 67.521,
    "l": 54.118
  },
  "oklch": {
    "l": 0.73114,
    "c": 0.11593,
    "h": 218.7
  },
  "luminance": 0.40637
}

Semantic roles & 50–950 ramp

primary
#3BB9D9
secondary
#DAA496
accent
#603DEA
background
#F9FCFD
surface
#F1F9FB
border
#CBD2D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #3BB9D9

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

Preview Lab → · Contrast checker → · Palette generator →

#3BB9D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva