#66BDF0

A light, vivid blue closely aligning with Lightskyblue.

About #66BDF0

At its core, #66BDF0 is a light and vivid hue. It is closely associated with the named CSS color Lightskyblue. To achieve this exact tint on a monitor, you would use an RGB mix of 102, 189, and 240.

While screens use RGB, printing presses rely on Cyan, Magenta, Yellow, and Key (black). The color uses 57% Cyan, 21% Magenta, 0% Yellow, and 6% Black. This makes it a relatively light color when applied to physical surfaces.

When using this color as a background, text legibility must be considered. Mathematical luminance calculations suggest that #000000 text provides the most optimal reading experience. Strict adherence to these ratios protects visually impaired users from unreadable interfaces.

Color Space Conversions

HEX#66BDF0
RGB102, 189, 240
HSL202.2°, 82.1%, 67.1%
CMYK57%, 21%, 0%, 6%
HSV202.2°, 57.5%, 94.1%
LAB73.2, -11.8, -33.3
XYZ39.4, 45.5, 89.1
Decimal6733296

Color Harmonies

Complementary

Analogous

Triadic

Tints, Shades & Tones

Tints (Adding White)

Shades (Adding Black)

WCAG Contrast Accessibility

2.08:1
Text on #FFFFFF
FAIL
10.10:1
Text on #000000
AAA
1.99:1
Text on #F8FAFC
FAIL
8.59:1
Text on #0F172A
AAA

CSS Implementation

.bg-color { background-color: #66BDF0; }
.text-color { color: #66BDF0; }
.border-color { border: 2px solid #66BDF0; }

Similar Colors

Lightskyblue
#87CEFA