Color

#0d0490

#0d0490
hex#0d0490
rgbrgb(13, 4, 144)
hslhsl(244, 95%, 29%)
oklchoklch(0.302 0.2 267.1)
Closest name: darkblue (#00008b)Relative luminance 0.0219

Colors that go with #0d0490

Crimson, Steel Blue and Cobalt 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 →

#879004

#044190 · #530490

#900d04 · #04900d

Split-complementary

Open in tool →

#905304 · #419004

#900441 · #879004 · #049053

Contrast

#0d0490 as textRatioAAAA largeAAAFix
Aaon white
14.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #6a60fb as the text (4.68:1)
  • AAA: use #8f88fc as the text (7.1:1)
  • AA: or shift the background to #8f8f8f (4.52:1)
  • AAA: or shift the background to #b5b5b5 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d0490 as the background.

Brands using this color

Fonts for this mood

#0d0490 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d0490
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 #0d0490 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d0490-a39cc4-dfa24e-261f2d-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