#3BB1D0#3BB1D0

#3BB1D0 is a light, moderate cyan. Relative luminance 0.369; OKLCH L 70.8% C 0.111 H 219.2°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX#3BB1D0
RGBrgb(59, 177, 208)
HSLhsl(192, 61%, 52%)
HSVhsv(192, 72%, 82%)
CMYKcmyk(71.6%, 14.9%, 0%, 18.4%)
CIE-LABlab(67.22, -22.47, -25.15)
CIE-LCHlch(67.22, 33.72, 228.22°)
OKLaboklab(70.84% -0.0862 -0.0702)
OKLCHoklch(70.84% 0.111 219.2)
XYZxyz(28.9062, 36.9248, 65.2660)
Luminance0.3693 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3BB1D0 #D05A3B
analogous
#3BD0A4 #3BB1D0 #3B67D0
triadic
#3BB1D0 #D03BB1 #B1D03B
tetradic
#3BB1D0 #A43BD0 #D05A3B #67D03B
square
#3BB1D0 #A43BD0 #D05A3B #67D03B
split-complementary
#3BB1D0 #D03B67 #D0A43B
monochromatic
#1C6275 #288CA6 #3BB1D0 #6CC5DC #9ED8E8

Accessibility & contrast

On white

2.50
#3BB1D0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.39
#3BB1D0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB1D0
8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3BB1D0#FFFFFF#000000##000000
##3BB1D01.002.508.398.39
#FFFFFF2.501.0021.0021.00
#0000008.3921.001.001.00
##0000008.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EACD2
Deuteranopia (green-blind)
#899DD0
Tritanopia (blue-blind)
#00BBBB
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #3bb1d0;
/* rgb */ color: rgb(59, 177, 208);
/* oklch */ color: oklch(70.8% 0.111 219.2);
Tailwind
colors: {
  custom: {
    50: '#85c8de',
    500: '#3bb1d0',
    950: '#000000',
  },
}
SCSS
$custom: #3bb1d0;
$custom-light: #85c8de;
$custom-dark: #000000;
JSON
{
  "hex": "#3bb1d0",
  "rgb": {
    "r": 59,
    "g": 177,
    "b": 208
  },
  "hsl": {
    "h": 192.483,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.70837,
    "c": 0.11114,
    "h": 219.2
  },
  "luminance": 0.36928
}

Semantic roles & 50–950 ramp

primary
#3BB1D0
secondary
#D4A093
accent
#6543E4
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #3BB1D0

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

Preview Lab → · Contrast checker → · Palette generator →

#3BB1D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva