Color

#0a0dae

#0a0dae
hex#0a0dae
rgbrgb(10, 13, 174)
hslhsl(239, 89%, 36%)
oklchoklch(0.349 0.228 265.6)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0341

Colors that go with #0a0dae

Charcoal, Crimson and Cornflower 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 →

#aeab0a

#0a5fae · #590aae

#ae0a0d · #0dae0a

Split-complementary

Open in tool →

#ae590a · #5fae0a

#ae0a5f · #aeab0a · #0aae59

Contrast

#0a0dae as textRatioAAAA largeAAAFix
Aaon white
12.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.68:1failfailfail
  • AA: use #6062f6 as the text (4.58:1)
  • AAA: use #8b8df8 as the text (7.26:1)
  • AA: or shift the background to #9c9c9c (4.55:1)
  • AAA: or shift the background to #c2c2c2 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a0dae as the background.

Brands using this color

Fonts for this mood

#0a0dae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a0dae
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 #0a0dae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a0dae-a09cc4-df964e-251f2d-e9edf1?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