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#00accc

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

RGB
0, 172, 204
HSL
189°, 100%, 40%
CMYK
100, 16, 0, 20
Luminance
0.3386

Every format

HEX#00accc
RGBrgb(0, 172, 204)
HSLhsl(189, 100%, 40%)
CMYKcmyk(100%, 16%, 0%, 20%)
LABlab(64.8 -25.4 -26.6)
LCHlch(64.8 36.8 226.4)
OKLCHoklch(0.687 0.123 217.4)

Copy-ready code

/* CSS */
color: #00accc;
background-color: #00accc;
/* Tailwind (arbitrary) */
class="text-[#00accc] bg-[#00accc]"
/* SCSS */
$brand: #00accc;
/* SwiftUI */
Color(red: 0.000, green: 0.675, blue: 0.800)
/* Android */
Color.parseColor("#00accc")

Accessibility — WCAG contrast

Aa
#00accc on white: 2.70:1
AA ✗ fail · AA-large · AAA
Aa
#00accc on black: 7.77:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red0.0%
Green67.5%
Blue80.0%

CMYK percentages

Cyan100.0%
Magenta15.7%
Yellow0.0%
Key (black)20.0%

Color previews

#00accc text on a black background

contrast 7.77:1

Card sample

#00accc text on a white background

contrast 2.70:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

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

Glowing headline

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

Soft neon halo

text-shadow: 0 0 14px rgba(0, 172, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 172, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00accc;
background: linear-gradient(135deg, #00accc, #0024CC);

Monochromatic scale

Palettes built from #00accc

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #00accc in the Color Lab