#1B51A0

Color Details

HEX
#1B51A0
RGB
rgb(27, 81, 160)
HSL
hsl(216, 71%, 37%)
CMYK
cmyk(83%, 49%, 0%, 37%)
Best text on this color #FFFFFF (CR 7.69:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1b51a0
Contrast 2.73:1 Fail
White on #1b51a0
Contrast 7.69:1 AAA
#1b51a0 on Black
Contrast 2.73:1 Fail
#1b51a0 on White
Contrast 7.69:1 AAA

Tints & Shades

#4974b3
#7697c6
#a4b9d9
#164180
#103160
#0b2040

Complement & Analogous

#a16c1b
#291ba1
#1b94a1

Triadic

#a11b51
#51a11b

Monochrome

#0b2040 #103160 #1b51a0 #7697c6 #a4b9d9 #d1dcec

Analogous

#1b94a1 #5fb4bd #1b51a0 #5449b4 #291ba1 #211681

Complementary Mix

#103160 #1b51a0 #7697c6 #a16c1b #c29f6b #694612

Nearby Colors

#1b519f
#1b51a1
#1b5190
#1b51b0

Embed #1B51A0 swatch

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About #1B51A0

#1B51A0 converts to RGB(27, 81, 160) and HSL(216, 71%, 37%). 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).

#1B51A0 FAQs

What is the RGB value of #1B51A0?
RGB: 27, 81, 160. Copy as CSS: rgb(27, 81, 160)
Is #1B51A0 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1B51A0?
Complement: #a16c1b.
Does #1B51A0 have good contrast on white or black?
On white: 7.69:1 (AAA (normal text)). On black: 2.73:1 (Fails AA).