#2B51B1

Color Details

HEX
#2B51B1
RGB
rgb(43, 81, 177)
HSL
hsl(223, 61%, 43%)
CMYK
cmyk(76%, 54%, 0%, 31%)
Best text on this color #FFFFFF (CR 7.21:1) Determined by WCAG contrast ratio

Readability Previews

Black on #2b51b1
Contrast 2.91:1 Fail
White on #2b51b1
Contrast 7.21:1 AAA
#2b51b1 on Black
Contrast 2.91:1 Fail
#2b51b1 on White
Contrast 7.21:1 AAA

Tints & Shades

#5574c1
#8097d0
#aab9e0
#22418e
#1a316a
#112047

Complement & Analogous

#b18b2b
#482bb1
#2b94b1

Triadic

#b12b51
#51b12b

Monochrome

#112047 #1a316a #2b51b1 #8097d0 #aab9e0 #d5dcef

Analogous

#2b94b1 #6bb4c8 #2b51b1 #6d55c1 #482bb1 #3a228e

Complementary Mix

#1a316a #2b51b1 #8097d0 #b18b2b #ccb475 #735a1c

Nearby Colors

#2b51b0
#2b51b2
#2b51a1
#2b51c1

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About #2B51B1

#2B51B1 converts to RGB(43, 81, 177) and HSL(223, 61%, 43%). 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).

#2B51B1 FAQs

What is the RGB value of #2B51B1?
RGB: 43, 81, 177. Copy as CSS: rgb(43, 81, 177)
Is #2B51B1 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #2B51B1?
Complement: #b18b2b.
Does #2B51B1 have good contrast on white or black?
On white: 7.21:1 (AAA (normal text)). On black: 2.91:1 (Fails AA).