#51A1EA

Color Details

HEX
#51A1EA
RGB
rgb(81, 161, 234)
HSL
hsl(209, 78%, 62%)
CMYK
cmyk(65%, 31%, 0%, 8%)
Best text on this color #000000 (CR 7.64:1) Determined by WCAG contrast ratio

Readability Previews

Black on #51a1ea
Contrast 7.64:1 AAA
White on #51a1ea
Contrast 2.75:1 Fail
#51a1ea on Black
Contrast 7.64:1 AAA
#51a1ea on White
Contrast 2.75:1 Fail

Tints & Shades

#74b4ee
#97c7f2
#b9d9f7
#4181bb
#31618c
#20405e

Complement & Analogous

#ea9c53
#5355ea
#53eae7

Triadic

#ea53a1
#a1ea53

Monochrome

#20405e #31618c #51a1ea #97c7f2 #b9d9f7 #dcecfb

Analogous

#53eae7 #87f0ee #51a1ea #7577ee #5355ea #4244bb

Complementary Mix

#31618c #51a1ea #97c7f2 #ea9c53 #f1bf8f #986536

Nearby Colors

#51a1e9
#51a1eb
#51a1da
#51a1fa

Embed #51A1EA swatch

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About #51A1EA

#51A1EA converts to RGB(81, 161, 234) and HSL(209, 78%, 62%). 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).

#51A1EA FAQs

What is the RGB value of #51A1EA?
RGB: 81, 161, 234. Copy as CSS: rgb(81, 161, 234)
Is #51A1EA a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #51A1EA?
Complement: #ea9c53.
Does #51A1EA have good contrast on white or black?
On white: 2.75:1 (Fails AA). On black: 7.64:1 (AAA (normal text)).