Color

#0d0daf

#0d0daf
hex#0d0daf
rgbrgb(13, 13, 175)
hslhsl(240, 86%, 37%)
oklchoklch(0.351 0.229 266.1)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0347

Colors that go with #0d0daf

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 →

#afaf0d

#0d5eaf · #5e0daf

#af0d0d · #0daf0d

Split-complementary

Open in tool →

#af5e0d · #5eaf0d

#af0d5e · #afaf0d · #0daf5e

Contrast

#0d0daf as textRatioAAAA largeAAAFix
Aaon white
12.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #6262f3 as the text (4.56:1)
  • AAA: use #8d8df6 as the text (7.27:1)
  • AA: or shift the background to #9c9c9c (4.52:1)
  • AAA: or shift the background to #c4c4c4 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d0daf as the background.

Brands using this color

Fonts for this mood

#0d0daf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d0daf
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 #0d0daf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d0daf-a19cc4-df994e-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