#1584CC

Color Details

HEX
#1584CC
RGB
rgb(21, 132, 204)
HSL
hsl(204, 81%, 44%)
CMYK
cmyk(90%, 35%, 0%, 20%)
Best text on this color #000000 (CR 5.20:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1584cc
Contrast 5.20:1 AA
White on #1584cc
Contrast 4.04:1 Fail
#1584cc on Black
Contrast 5.20:1 AA
#1584cc on White
Contrast 4.04:1 Fail

Tints & Shades

#449dd6
#73b5e0
#a1ceeb
#116aa3
#0d4f7a
#083552

Complement & Analogous

#cb5e15
#1527cb
#15cbb9

Triadic

#cb1582
#82cb15

Monochrome

#083552 #0d4f7a #1584cc #73b5e0 #a1ceeb #d0e6f5

Analogous

#15cbb9 #5bdbce #1584cc #4452d5 #1527cb #111fa2

Complementary Mix

#0d4f7a #1584cc #73b5e0 #cb5e15 #dd9667 #843d0e

Nearby Colors

#1584cb
#1584cd
#1584bc
#1584dc

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About #1584CC

#1584CC converts to RGB(21, 132, 204) and HSL(204, 81%, 44%). 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).

#1584CC FAQs

What is the RGB value of #1584CC?
RGB: 21, 132, 204. Copy as CSS: rgb(21, 132, 204)
Is #1584CC a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1584CC?
Complement: #cb5e15.
Does #1584CC have good contrast on white or black?
On white: 4.04:1 (AA (large text)). On black: 5.20:1 (AA (normal text)).