Skip to content

#00aacc

a dark, electric cyan · cool · closest name: skyblue

RGB
0, 170, 204
HSL
190°, 100%, 40%
CMYK
100, 17, 0, 20
Luminance
0.3311

Every format

HEX#00aacc
RGBrgb(0, 170, 204)
HSLhsl(190, 100%, 40%)
CMYKcmyk(100%, 17%, 0%, 20%)
LABlab(64.3 -24.4 -27.6)
LCHlch(64.3 36.8 228.5)
OKLCHoklch(0.682 0.123 218.9)

Copy-ready code

/* CSS */
color: #00aacc;
background-color: #00aacc;
/* Tailwind (arbitrary) */
class="text-[#00aacc] bg-[#00aacc]"
/* SCSS */
$brand: #00aacc;
/* SwiftUI */
Color(red: 0.000, green: 0.667, blue: 0.800)
/* Android */
Color.parseColor("#00aacc")

Accessibility — WCAG contrast

Aa
#00aacc on white: 2.76:1
AA ✗ fail · AA-large · AAA
Aa
#00aacc on black: 7.62:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red0.0%
Green66.7%
Blue80.0%

CMYK percentages

Cyan100.0%
Magenta16.7%
Yellow0.0%
Key (black)20.0%

Color previews

#00aacc text on a black background

contrast 7.62:1

Card sample

#00aacc text on a white background

contrast 2.76:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #00aacc;
Background color
Panel with #00aacc background
background-color: #00aacc;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #00aacc;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(0, 170, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 170, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00aacc;
background: linear-gradient(135deg, #00aacc, #0022CC);

Monochromatic scale

Palettes built from #00aacc

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #00aacc in the Color Lab