#51A1DD

Color Details

HEX
#51A1DD
RGB
rgb(81, 161, 221)
HSL
hsl(206, 67%, 59%)
CMYK
cmyk(63%, 27%, 0%, 13%)
Best text on this color #000000 (CR 7.49:1) Determined by WCAG contrast ratio

Readability Previews

Black on #51a1dd
Contrast 7.49:1 AAA
White on #51a1dd
Contrast 2.80:1 Fail
#51a1dd on Black
Contrast 7.49:1 AAA
#51a1dd on White
Contrast 2.80:1 Fail

Tints & Shades

#74b4e4
#97c7eb
#b9d9f1
#4181b1
#316185
#204058

Complement & Analogous

#dc8d50
#505adc
#50dcd3

Triadic

#dc50a0
#a0dc50

Monochrome

#204058 #316185 #51a1dd #97c7eb #b9d9f1 #dcecf8

Analogous

#50dcd3 #85e7e0 #51a1dd #737be3 #505adc #4048b0

Complementary Mix

#316185 #51a1dd #97c7eb #dc8d50 #e8b58d #8f5c34

Nearby Colors

#51a1dc
#51a1de
#51a1cd
#51a1ed

Embed #51A1DD swatch

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About #51A1DD

#51A1DD converts to RGB(81, 161, 221) and HSL(206, 67%, 59%). This page provides quick readability checks, related hues (complementary and analogous), and ready-made palettes so you can drop the color into UI components, images, or CSS immediately.

Tip: Use the “Best text” chip above as a safe default foreground on this color (chosen by contrast ratio).

#51A1DD FAQs

What is the RGB value of #51A1DD?
RGB: 81, 161, 221. Copy as CSS: rgb(81, 161, 221)
Is #51A1DD a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #51A1DD?
Complement: #dc8d50.
Does #51A1DD have good contrast on white or black?
On white: 2.80:1 (Fails AA). On black: 7.49:1 (AAA (normal text)).