#1D23DD

Color Details

HEX
#1D23DD
RGB
rgb(29, 35, 221)
HSL
hsl(238, 77%, 49%)
CMYK
cmyk(87%, 84%, 0%, 13%)
Best text on this color #FFFFFF (CR 8.99:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1d23dd
Contrast 2.34:1 Fail
White on #1d23dd
Contrast 8.99:1 AAA
#1d23dd on Black
Contrast 2.34:1 Fail
#1d23dd on White
Contrast 8.99:1 AAA

Tints & Shades

#4a4fe4
#777beb
#a5a7f1
#171cb1
#111585
#0c0e58

Complement & Analogous

#ddd71d
#771ddd
#1d83dd

Triadic

#dd1d23
#23dd1d

Monochrome

#0c0e58 #111585 #1d23dd #777beb #a5a7f1 #d2d3f8

Analogous

#1d83dd #61a8e7 #1d23dd #924ae4 #771ddd #5f17b1

Complementary Mix

#111585 #1d23dd #777beb #ddd71d #e9e56c #908c13

Nearby Colors

#1d23dc
#1d23de
#1d23cd
#1d23ed

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About #1D23DD

#1D23DD converts to RGB(29, 35, 221) and HSL(238, 77%, 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).

#1D23DD FAQs

What is the RGB value of #1D23DD?
RGB: 29, 35, 221. Copy as CSS: rgb(29, 35, 221)
Is #1D23DD a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1D23DD?
Complement: #ddd71d.
Does #1D23DD have good contrast on white or black?
On white: 8.99:1 (AAA (normal text)). On black: 2.34:1 (Fails AA).