Color

#033bbf

#033bbf
hex#033bbf
rgbrgb(3, 59, 191)
hslhsl(222, 97%, 38%)
oklchoklch(0.425 0.211 263.2)
Closest name: Denim (#2243b6)Relative luminance 0.0691

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf8603

#0399bf · #2903bf

#bf033b · #3bbf03

Split-complementary

Open in tool →

#bf2903 · #99bf03

#bf0399 · #bf8603 · #03bf29

Contrast

#033bbf as textRatioAAAA largeAAAFix
Aaon white
8.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #2c6afc as the text (4.57:1)
  • AAA: use #6895fd as the text (7.31:1)
  • AA: or shift the background to #bababa (4.54:1)
  • AAA: or shift the background to #e6e6e6 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033bbf 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

#033bbf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033bbf
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 #033bbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033bbf-9ca3c4-df6e4e-211f2d-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