Color

#005bbd

#005bbd
hex#005bbd
rgbrgb(0, 91, 189)
hslhsl(211, 100%, 37%)
oklchoklch(0.486 0.171 256.7)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1116

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd6100

#00babd · #0300bd

#bd005b · #5bbd00

Split-complementary

Open in tool →

#bd0300 · #babd00

#bd00ba · #bd6100 · #00bd03

Contrast

#005bbd as textRatioAAAA largeAAAFix
Aaon white
6.5:1passpassfail
  • AAA: use #0056b3 as the text (7.04:1)
Aaon black
3.23:1failpassfail
  • AA: use #0071eb as the text (4.56:1)
  • AAA: use #3898ff as the text (7.1:1)
  • AA: or shift the background to #d9d9d9 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #005bbd as the background.

Brands using this color

Fonts for this mood

#005bbd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #005bbd
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 #005bbd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/005bbd-9cabc4-df534e-1f202d-e9f1f1?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