#3BBBE9#3BBBE9

#3BBBE9 is a light, vivid cyan. Relative luminance 0.424; OKLCH L 74.3% C 0.126 H 226.8°. Best body text is #000000 at 9.47:1 contrast (WCAG AA passes).

Color values

HEX#3BBBE9
RGBrgb(59, 187, 233)
HSLhsl(196, 80%, 57%)
HSVhsv(196, 75%, 91%)
CMYKcmyk(74.7%, 19.7%, 0%, 8.6%)
CIE-LABlab(71.11, -19.59, -32.83)
CIE-LCHlch(71.11, 38.23, 239.18°)
OKLaboklab(74.27% -0.0864 -0.0921)
OKLCHoklch(74.27% 0.126 226.8)
XYZxyz(34.2759, 42.3496, 83.4428)
Luminance0.4235 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3BBBE9 #E9693B
analogous
#3BE9C0 #3BBBE9 #3B64E9
triadic
#3BBBE9 #E93BBB #BBE93B
tetradic
#3BBBE9 #C03BE9 #E9693B #64E93B
square
#3BBBE9 #C03BE9 #E9693B #64E93B
split-complementary
#3BBBE9 #E93B64 #E9C03B
monochromatic
#117598 #179FD0 #3BBBE9 #72CEEF #A9E1F5

Accessibility & contrast

On white

2.22
#3BBBE9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.47
#3BBBE9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BBBE9
9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3BBBE9#FFFFFF#000000##000000
##3BBBE91.002.229.479.47
#FFFFFF2.221.0021.0021.00
#0000009.4721.001.001.00
##0000009.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2B8EB
Deuteranopia (green-blind)
#8BA7E8
Tritanopia (blue-blind)
#00C8CA
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #3bbbe9;
/* rgb */ color: rgb(59, 187, 233);
/* oklch */ color: oklch(74.3% 0.126 226.8);
Tailwind
colors: {
  custom: {
    50: '#89cff0',
    500: '#3bbbe9',
    950: '#000000',
  },
}
SCSS
$custom: #3bbbe9;
$custom-light: #89cff0;
$custom-dark: #000000;
JSON
{
  "hex": "#3bbbe9",
  "rgb": {
    "r": 59,
    "g": 187,
    "b": 233
  },
  "hsl": {
    "h": 195.862,
    "s": 79.817,
    "l": 57.255
  },
  "oklch": {
    "l": 0.74271,
    "c": 0.12633,
    "h": 226.8
  },
  "luminance": 0.42354
}

Semantic roles & 50–950 ramp

primary
#3BBBE9
secondary
#E3AF9D
accent
#6632F6
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #3BBBE9

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

Preview Lab → · Contrast checker → · Palette generator →

#3BBBE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva