#1B57A3

Color Details

HEX
#1B57A3
RGB
rgb(27, 87, 163)
HSL
hsl(214, 72%, 37%)
CMYK
cmyk(83%, 47%, 0%, 36%)
Best text on this color #FFFFFF (CR 7.15:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1b57a3
Contrast 2.94:1 Fail
White on #1b57a3
Contrast 7.15:1 AAA
#1b57a3 on Black
Contrast 2.94:1 Fail
#1b57a3 on White
Contrast 7.15:1 AAA

Tints & Shades

#4979b5
#769ac8
#a4bcda
#164682
#103462
#0b2341

Complement & Analogous

#a2671a
#231aa2
#1a99a2

Triadic

#a21a55
#55a21a

Monochrome

#0b2341 #103462 #1b57a3 #769ac8 #a4bcda #d1dded

Analogous

#1a99a2 #5fb8be #1b57a3 #4f48b5 #231aa2 #1c1582

Complementary Mix

#103462 #1b57a3 #769ac8 #a2671a #c39c6a #694311

Nearby Colors

#1b57a2
#1b57a4
#1b5793
#1b57b3

Embed #1B57A3 swatch

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About #1B57A3

#1B57A3 converts to RGB(27, 87, 163) and HSL(214, 72%, 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).

#1B57A3 FAQs

What is the RGB value of #1B57A3?
RGB: 27, 87, 163. Copy as CSS: rgb(27, 87, 163)
Is #1B57A3 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1B57A3?
Complement: #a2671a.
Does #1B57A3 have good contrast on white or black?
On white: 7.15:1 (AAA (normal text)). On black: 2.94:1 (Fails AA).