Color

#0e3aaa

#0e3aaa
hex#0e3aaa
rgbrgb(14, 58, 170)
hslhsl(223, 85%, 36%)
oklchoklch(0.404 0.185 263.7)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0602

Colors that go with #0e3aaa

Charcoal, Crimson and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#aa7e0e

#0e88aa · #300eaa

#aa0e3a · #3aaa0e

Split-complementary

Open in tool →

#aa300e · #88aa0e

#aa0e88 · #aa7e0e · #0eaa30

Contrast

#0e3aaa as textRatioAAAA largeAAAFix
Aaon white
9.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #396cef as the text (4.57:1)
  • AAA: use #6d93f3 as the text (7.12:1)
  • AA: or shift the background to #b3b3b3 (4.54:1)
  • AAA: or shift the background to #dedede (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0e3aaa as the background.

Brands using this color

Fonts for this mood

#0e3aaa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0e3aaa
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0e3aaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0e3aaa-9ca3c4-df704e-211f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md