#3BB9E7#3BB9E7

#3BB9E7 is a light, vivid cyan. Relative luminance 0.414; OKLCH L 73.7% C 0.125 H 227.2°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX#3BB9E7
RGBrgb(59, 185, 231)
HSLhsl(196, 78%, 57%)
HSVhsv(196, 74%, 91%)
CMYKcmyk(74.5%, 19.9%, 0%, 9.4%)
CIE-LABlab(70.45, -19.20, -32.77)
CIE-LCHlch(70.45, 37.98, 239.64°)
OKLaboklab(73.72% -0.0853 -0.0919)
OKLCHoklch(73.72% 0.125 227.2)
XYZxyz(33.5705, 41.3933, 81.8062)
Luminance0.4140 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3BB9E7 #E7693B
analogous
#3BE7BF #3BB9E7 #3B63E7
triadic
#3BB9E7 #E73BB9 #B9E73B
tetradic
#3BB9E7 #BF3BE7 #E7693B #63E73B
square
#3BB9E7 #BF3BE7 #E7693B #63E73B
split-complementary
#3BB9E7 #E73B63 #E7BF3B
monochromatic
#127295 #199CCC #3BB9E7 #72CCEE #A8E0F4

Accessibility & contrast

On white

2.26
#3BB9E7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.28
#3BB9E7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB9E7
9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3BB9E7#FFFFFF#000000##000000
##3BB9E71.002.269.289.28
#FFFFFF2.261.0021.0021.00
#0000009.2821.001.001.00
##0000009.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A0B6E9
Deuteranopia (green-blind)
#89A5E6
Tritanopia (blue-blind)
#00C6C8
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #3bb9e7;
/* rgb */ color: rgb(59, 185, 231);
/* oklch */ color: oklch(73.7% 0.125 227.2);
Tailwind
colors: {
  custom: {
    50: '#88ceee',
    500: '#3bb9e7',
    950: '#000000',
  },
}
SCSS
$custom: #3bb9e7;
$custom-light: #88ceee;
$custom-dark: #000000;
JSON
{
  "hex": "#3bb9e7",
  "rgb": {
    "r": 59,
    "g": 185,
    "b": 231
  },
  "hsl": {
    "h": 196.047,
    "s": 78.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.73717,
    "c": 0.12542,
    "h": 227.2
  },
  "luminance": 0.41397
}

Semantic roles & 50–950 ramp

primary
#3BB9E7
secondary
#E2AF9C
accent
#6733F5
background
#F9FCFE
surface
#F1F9FD
border
#CBD2D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #3BB9E7

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

Preview Lab → · Contrast checker → · Palette generator →

#3BB9E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva