#1B51E1

Color Details

HEX
#1B51E1
RGB
rgb(27, 81, 225)
HSL
hsl(224, 79%, 49%)
CMYK
cmyk(88%, 64%, 0%, 12%)
Best text on this color #FFFFFF (CR 6.34:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1b51e1
Contrast 3.31:1 Fail
White on #1b51e1
Contrast 6.34:1 AA
#1b51e1 on Black
Contrast 3.31:1 Fail
#1b51e1 on White
Contrast 6.34:1 AA

Tints & Shades

#4974e7
#7697ed
#a4b9f3
#1641b4
#103187
#0b205a

Complement & Analogous

#e0ab1a
#481ae0
#1ab2e0

Triadic

#e01a4f
#4fe01a

Monochrome

#0b205a #103187 #1b51e1 #7697ed #a4b9f3 #d1dcf9

Analogous

#1ab2e0 #5fc9e9 #1b51e1 #6d48e6 #481ae0 #3a15b3

Complementary Mix

#103187 #1b51e1 #7697ed #e0ab1a #ebc86a #926f11

Nearby Colors

#1b51e0
#1b51e2
#1b51d1
#1b51f1

Embed #1B51E1 swatch

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About #1B51E1

#1B51E1 converts to RGB(27, 81, 225) and HSL(224, 79%, 49%). 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).

#1B51E1 FAQs

What is the RGB value of #1B51E1?
RGB: 27, 81, 225. Copy as CSS: rgb(27, 81, 225)
Is #1B51E1 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1B51E1?
Complement: #e0ab1a.
Does #1B51E1 have good contrast on white or black?
On white: 6.34:1 (AA (normal text)). On black: 3.31:1 (AA (large text)).