#51A9BA

Color Details

HEX
#51A9BA
RGB
rgb(81, 169, 186)
HSL
hsl(190, 43%, 52%)
CMYK
cmyk(56%, 9%, 0%, 27%)
Best text on this color #000000 (CR 7.73:1) Determined by WCAG contrast ratio

Readability Previews

Black on #51a9ba
Contrast 7.73:1 AAA
White on #51a9ba
Contrast 2.72:1 Fail
#51a9ba on Black
Contrast 7.73:1 AAA
#51a9ba on White
Contrast 2.72:1 Fail

Tints & Shades

#74bac8
#97cbd6
#b9dde3
#418795
#316570
#20444a

Complement & Analogous

#b96250
#5073b9
#50b996

Triadic

#b950a8
#a8b950

Monochrome

#20444a #316570 #51a9ba #97cbd6 #b9dde3 #dceef1

Analogous

#50b996 #85ceb6 #51a9ba #738fc7 #5073b9 #405c94

Complementary Mix

#316570 #51a9ba #97cbd6 #b96250 #d2998d #784034

Nearby Colors

#51a9b9
#51a9bb
#51a9aa
#51a9ca

Embed #51A9BA swatch

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About #51A9BA

#51A9BA converts to RGB(81, 169, 186) and HSL(190, 43%, 52%). 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).

#51A9BA FAQs

What is the RGB value of #51A9BA?
RGB: 81, 169, 186. Copy as CSS: rgb(81, 169, 186)
Is #51A9BA a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #51A9BA?
Complement: #b96250.
Does #51A9BA have good contrast on white or black?
On white: 2.72:1 (Fails AA). On black: 7.73:1 (AAA (normal text)).