#3BB2E3#3BB2E3

#3BB2E3 is a light, vivid cyan. Relative luminance 0.383; OKLCH L 71.9% C 0.125 H 230.0°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX#3BB2E3
RGBrgb(59, 178, 227)
HSLhsl(198, 75%, 56%)
HSVhsv(198, 74%, 89%)
CMYKcmyk(74%, 21.6%, 0%, 11%)
CIE-LABlab(68.25, -16.83, -33.99)
CIE-LCHlch(68.25, 37.93, 243.66°)
OKLaboklab(71.91% -0.0801 -0.0955)
OKLCHoklch(71.91% 0.125 230)
XYZxyz(31.5835, 38.3129, 78.3887)
Luminance0.3832 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3BB2E3 #E36C3B
analogous
#3BE3C0 #3BB2E3 #3B5EE3
triadic
#3BB2E3 #E33BB2 #B2E33B
tetradic
#3BB2E3 #C03BE3 #E36C3B #5EE33B
square
#3BB2E3 #C03BE3 #E36C3B #5EE33B
split-complementary
#3BB2E3 #E33B5E #E3C03B
monochromatic
#146B8F #1C94C5 #3BB2E3 #71C7EB #A6DCF2

Accessibility & contrast

On white

2.42
#3BB2E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.66
#3BB2E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB2E3
8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3BB2E3#FFFFFF#000000##000000
##3BB2E31.002.428.668.66
#FFFFFF2.421.0021.0021.00
#0000008.6621.001.001.00
##0000008.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#99AFE5
Deuteranopia (green-blind)
#829FE2
Tritanopia (blue-blind)
#00C0C2
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #3bb2e3;
/* rgb */ color: rgb(59, 178, 227);
/* oklch */ color: oklch(71.9% 0.125 230.0);
Tailwind
colors: {
  custom: {
    50: '#87c9ec',
    500: '#3bb2e3',
    950: '#000000',
  },
}
SCSS
$custom: #3bb2e3;
$custom-light: #87c9ec;
$custom-dark: #000000;
JSON
{
  "hex": "#3bb2e3",
  "rgb": {
    "r": 59,
    "g": 178,
    "b": 227
  },
  "hsl": {
    "h": 197.5,
    "s": 75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.71905,
    "c": 0.12467,
    "h": 230
  },
  "luminance": 0.38317
}

Semantic roles & 50–950 ramp

primary
#3BB2E3
secondary
#E0AE9A
accent
#6D36F2
background
#F9FCFE
surface
#F1F8FD
border
#CBD1D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #3BB2E3

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

Preview Lab → · Contrast checker → · Palette generator →

#3BB2E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva