Color

#050f99

#050f99
hex#050f99
rgbrgb(5, 15, 153)
hslhsl(236, 94%, 31%)
oklchoklch(0.321 0.206 265.1)
Closest name: Everlasting Night (#000099)Relative luminance 0.0267

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#998f05

#055999 · #450599

#99050f · #0f9905

Split-complementary

Open in tool →

#994505 · #599905

#990559 · #998f05 · #059945

Contrast

#050f99 as textRatioAAAA largeAAAFix
Aaon white
13.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #5762fa as the text (4.53:1)
  • AAA: use #838bfb as the text (7.05:1)
  • AA: or shift the background to #949494 (4.51:1)
  • AAA: or shift the background to #bababa (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #050f99 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#050f99 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #050f99
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #050f99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/050f99-9e9cc4-df8f4e-241f2d-e9eef1?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