#1B58DB

Color Details

HEX
#1B58DB
RGB
rgb(27, 88, 219)
HSL
hsl(221, 78%, 48%)
CMYK
cmyk(88%, 60%, 0%, 14%)
Best text on this color #FFFFFF (CR 6.06:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1b58db
Contrast 3.47:1 Fail
White on #1b58db
Contrast 6.06:1 AA
#1b58db on Black
Contrast 3.47:1 Fail
#1b58db on White
Contrast 6.06:1 AA

Tints & Shades

#4979e2
#769be9
#a4bcf1
#1646af
#103583
#0b2358

Complement & Analogous

#da9d1b
#3e1bda
#1bb7da

Triadic

#da1b57
#57da1b

Monochrome

#0b2358 #103583 #1b58db #769be9 #a4bcf1 #d1def8

Analogous

#1bb7da #5fcde5 #1b58db #6549e1 #3e1bda #3216ae

Complementary Mix

#103583 #1b58db #769be9 #da9d1b #e7bf6b #8e6612

Nearby Colors

#1b58da
#1b58dc
#1b58cb
#1b58eb

Embed #1B58DB swatch

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About #1B58DB

#1B58DB converts to RGB(27, 88, 219) and HSL(221, 78%, 48%). 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).

#1B58DB FAQs

What is the RGB value of #1B58DB?
RGB: 27, 88, 219. Copy as CSS: rgb(27, 88, 219)
Is #1B58DB a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1B58DB?
Complement: #da9d1b.
Does #1B58DB have good contrast on white or black?
On white: 6.06:1 (AA (normal text)). On black: 3.47:1 (AA (large text)).