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#33aadd

a balanced, vivid cyan · cool · closest name: steelblue

RGB
51, 170, 221
HSL
198°, 71%, 53%
CMYK
77, 23, 0, 13
Luminance
0.3467

Every format

HEX#33aadd
RGBrgb(51, 170, 221)
HSLhsl(198, 71%, 53%)
CMYKcmyk(77%, 23%, 0%, 13%)
LABlab(65.5 -15.5 -35.0)
LCHlch(65.5 38.3 246.1)
OKLCHoklch(0.696 0.126 231.6)

Copy-ready code

/* CSS */
color: #33aadd;
background-color: #33aadd;
/* Tailwind (arbitrary) */
class="text-[#33aadd] bg-[#33aadd]"
/* SCSS */
$brand: #33aadd;
/* SwiftUI */
Color(red: 0.200, green: 0.667, blue: 0.867)
/* Android */
Color.parseColor("#33aadd")

Accessibility — WCAG contrast

Aa
#33aadd on white: 2.65:1
AA ✗ fail · AA-large · AAA
Aa
#33aadd on black: 7.93:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red20.0%
Green66.7%
Blue86.7%

CMYK percentages

Cyan76.9%
Magenta23.1%
Yellow0.0%
Key (black)13.3%

Color previews

#33aadd text on a black background

contrast 7.93:1

Card sample

#33aadd text on a white background

contrast 2.65:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #33aadd;
Background color
Panel with #33aadd background
background-color: #33aadd;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #33aadd;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(51, 170, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 170, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #33aadd;
background: linear-gradient(135deg, #33aadd, #3339DD);

Monochromatic scale

Palettes built from #33aadd

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #33aadd in the Color Lab