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#33aacc

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

RGB
51, 170, 204
HSL
193°, 60%, 50%
CMYK
75, 17, 0, 20
Luminance
0.3381

Every format

HEX#33aacc
RGBrgb(51, 170, 204)
HSLhsl(193, 60%, 50%)
CMYKcmyk(75%, 17%, 0%, 20%)
LABlab(64.8 -21.1 -26.6)
LCHlch(64.8 34.0 231.6)
OKLCHoklch(0.688 0.113 221.5)

Copy-ready code

/* CSS */
color: #33aacc;
background-color: #33aacc;
/* Tailwind (arbitrary) */
class="text-[#33aacc] bg-[#33aacc]"
/* SCSS */
$brand: #33aacc;
/* SwiftUI */
Color(red: 0.200, green: 0.667, blue: 0.800)
/* Android */
Color.parseColor("#33aacc")

Accessibility — WCAG contrast

Aa
#33aacc on white: 2.71:1
AA ✗ fail · AA-large · AAA
Aa
#33aacc on black: 7.76:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red20.0%
Green66.7%
Blue80.0%

CMYK percentages

Cyan75.0%
Magenta16.7%
Yellow0.0%
Key (black)20.0%

Color previews

#33aacc text on a black background

contrast 7.76:1

Card sample

#33aacc text on a white background

contrast 2.71:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

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

Glowing headline

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

Soft neon halo

text-shadow: 0 0 14px rgba(51, 170, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 170, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #33aacc;
background: linear-gradient(135deg, #33aacc, #3344CC);

Monochromatic scale

Palettes built from #33aacc

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #33aacc in the Color Lab