#0A338C

Color Details

HEX
#0A338C
RGB
rgb(10, 51, 140)
HSL
hsl(221, 87%, 29%)
CMYK
cmyk(93%, 64%, 0%, 45%)
Best text on this color #FFFFFF (CR 11.26:1) Determined by WCAG contrast ratio

Readability Previews

Black on #0a338c
Contrast 1.87:1 Fail
White on #0a338c
Contrast 11.26:1 AAA
#0a338c on Black
Contrast 1.87:1 Fail
#0a338c on White
Contrast 11.26:1 AAA

Tints & Shades

#3b5ca3
#6c85ba
#9dadd1
#082970
#061f54
#041438

Complement & Analogous

#8a620a
#210a8a
#0a738a

Triadic

#8a0a32
#328a0a

Monochrome

#041438 #061f54 #0a338c #6c85ba #9dadd1 #ced6e8

Analogous

#0a738a #549dad #0a338c #4d3ba1 #210a8a #1a086e

Complementary Mix

#061f54 #0a338c #6c85ba #8a620a #b39960 #5a4007

Nearby Colors

#0a338b
#0a338d
#0a337c
#0a339c

Embed #0A338C swatch

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About #0A338C

#0A338C converts to RGB(10, 51, 140) and HSL(221, 87%, 29%). 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).

#0A338C FAQs

What is the RGB value of #0A338C?
RGB: 10, 51, 140. Copy as CSS: rgb(10, 51, 140)
Is #0A338C a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #0A338C?
Complement: #8a620a.
Does #0A338C have good contrast on white or black?
On white: 11.26:1 (AAA (normal text)). On black: 1.87:1 (Fails AA).