Color

#0055bd

#0055bd
hex#0055bd
rgbrgb(0, 85, 189)
hslhsl(213, 100%, 37%)
oklchoklch(0.473 0.178 258.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1017

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd6800

#00b3bd · #0900bd

#bd0055 · #55bd00

Split-complementary

Open in tool →

#bd0900 · #b3bd00

#bd00b3 · #bd6800 · #00bd09

Contrast

#0055bd as textRatioAAAA largeAAAFix
Aaon white
6.92:1passpassfail
  • AAA: use #0053b8 as the text (7.17:1)
Aaon black
3.03:1failpassfail
  • AA: use #006ef5 as the text (4.55:1)
  • AAA: use #4297ff as the text (7.1:1)
  • AA: or shift the background to #d1d1d1 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0055bd as the background.

Brands using this color

Fonts for this mood

#0055bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0055bd
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 #0055bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0055bd-9ca9c4-df584e-1f202d-e9f0f1?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