#1B51C1

Color Details

HEX
#1B51C1
RGB
rgb(27, 81, 193)
HSL
hsl(220, 75%, 43%)
CMYK
cmyk(86%, 58%, 0%, 24%)
Best text on this color #FFFFFF (CR 7.01:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1b51c1
Contrast 2.99:1 Fail
White on #1b51c1
Contrast 7.01:1 AAA
#1b51c1 on Black
Contrast 2.99:1 Fail
#1b51c1 on White
Contrast 7.01:1 AAA

Tints & Shades

#4974cd
#7697da
#a4b9e6
#16419a
#103174
#0b204d

Complement & Analogous

#c0891b
#371bc0
#1ba4c0

Triadic

#c01b52
#52c01b

Monochrome

#0b204d #103174 #1b51c1 #7697da #a4b9e6 #d1dcf3

Analogous

#1ba4c0 #5fbfd3 #1b51c1 #5f49cd #371bc0 #2c169a

Complementary Mix

#103174 #1b51c1 #7697da #c0891b #d6b26b #7d5912

Nearby Colors

#1b51c0
#1b51c2
#1b51b1
#1b51d1

Embed #1B51C1 swatch

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About #1B51C1

#1B51C1 converts to RGB(27, 81, 193) and HSL(220, 75%, 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).

#1B51C1 FAQs

What is the RGB value of #1B51C1?
RGB: 27, 81, 193. Copy as CSS: rgb(27, 81, 193)
Is #1B51C1 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1B51C1?
Complement: #c0891b.
Does #1B51C1 have good contrast on white or black?
On white: 7.01:1 (AAA (normal text)). On black: 2.99:1 (Fails AA).