Color

#050189

#050189
hex#050189
rgbrgb(5, 1, 137)
hslhsl(242, 99%, 27%)
oklchoklch(0.287 0.195 265.4)
Closest name: darkblue (#00008b)Relative luminance 0.0186

Colors that go with #050189

Crimson, Steel Blue and Charcoal 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 →

#848901

#014089 · #490189

#890501 · #018905

Split-complementary

Open in tool →

#894901 · #408901

#890140 · #848901 · #018949

Contrast

#050189 as textRatioAAAA largeAAAFix
Aaon white
15.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #625dfe as the text (4.52:1)
  • AAA: use #8e8afe as the text (7.22:1)
  • AA: or shift the background to #8c8c8c (4.55:1)
  • AAA: or shift the background to #b0b0b0 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #050189 as the background.

Brands using this color

Fonts for this mood

#050189 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #050189
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 #050189 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/050189-a29cc4-df9e4e-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