Color

#050b85

#050b85
hex#050b85
rgbrgb(5, 11, 133)
hslhsl(237, 93%, 27%)
oklchoklch(0.29 0.186 265.5)
Closest name: darkblue (#00008b)Relative luminance 0.0197

Colors that go with #050b85

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 →

#857e05

#054b85 · #3e0585

#85050b · #0b8505

Split-complementary

Open in tool →

#853e05 · #4b8505

#85054b · #857e05 · #05853e

Contrast

#050b85 as textRatioAAAA largeAAAFix
Aaon white
15.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #5d64f9 as the text (4.66:1)
  • AAA: use #848afb as the text (7.01:1)
  • AA: or shift the background to #8f8f8f (4.66:1)
  • AAA: or shift the background to #b3b3b3 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #050b85 as the background.

Brands using this color

Fonts for this mood

#050b85 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #050b85
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 #050b85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/050b85-9f9cc4-df924e-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