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#21abcd

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

RGB
33, 171, 205
HSL
192°, 72%, 47%
CMYK
84, 17, 0, 20
Luminance
0.3386

Every format

HEX#21abcd
RGBrgb(33, 171, 205)
HSLhsl(192, 72%, 47%)
CMYKcmyk(84%, 17%, 0%, 20%)
LABlab(64.8 -23.1 -27.2)
LCHlch(64.8 35.6 229.7)
OKLCHoklch(0.688 0.119 219.9)

Copy-ready code

/* CSS */
color: #21abcd;
background-color: #21abcd;
/* Tailwind (arbitrary) */
class="text-[#21abcd] bg-[#21abcd]"
/* SCSS */
$brand: #21abcd;
/* SwiftUI */
Color(red: 0.129, green: 0.671, blue: 0.804)
/* Android */
Color.parseColor("#21abcd")

Accessibility — WCAG contrast

Aa
#21abcd on white: 2.70:1
AA ✗ fail · AA-large · AAA
Aa
#21abcd on black: 7.77:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red12.9%
Green67.1%
Blue80.4%

CMYK percentages

Cyan83.9%
Magenta16.6%
Yellow0.0%
Key (black)19.6%

Color previews

#21abcd text on a black background

contrast 7.77:1

Card sample

#21abcd text on a white background

contrast 2.70:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #21abcd;
Background color
Panel with #21abcd background
background-color: #21abcd;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #21abcd;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(33, 171, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 171, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21abcd;
background: linear-gradient(135deg, #21abcd, #2138CD);

Monochromatic scale

Palettes built from #21abcd

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #21abcd in the Color Lab