Color

#0533bd

#0533bd
hex#0533bd
rgbrgb(5, 51, 189)
hslhsl(225, 95%, 38%)
oklchoklch(0.41 0.217 264)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0607

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd8f05

#058fbd · #3305bd

#bd0533 · #33bd05

Split-complementary

Open in tool →

#bd3305 · #8fbd05

#bd058f · #bd8f05 · #05bd33

Contrast

#0533bd as textRatioAAAA largeAAAFix
Aaon white
9.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #3869fa as the text (4.57:1)
  • AAA: use #6f92fb as the text (7.18:1)
  • AA: or shift the background to #b3b3b3 (4.52:1)
  • AAA: or shift the background to #dedede (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 #0533bd 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

#0533bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0533bd
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 #0533bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0533bd-9ca1c4-df754e-221f2d-e9eff1?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