Color

#033bab

#033bab
hex#033bab
rgbrgb(3, 59, 171)
hslhsl(220, 97%, 34%)
oklchoklch(0.405 0.186 262.3)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0609

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab7303

#038fab · #1f03ab

#ab033b · #3bab03

Split-complementary

Open in tool →

#ab1f03 · #8fab03

#ab038f · #ab7303 · #03ab1f

Contrast

#033bab as textRatioAAAA largeAAAFix
Aaon white
9.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #226bfc as the text (4.58:1)
  • AAA: use #5e93fd as the text (7.07:1)
  • AA: or shift the background to #b3b3b3 (4.52:1)
  • AAA: or shift the background to #dedede (7.04:1)

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

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

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

tool url/palettes/new/033bab-9ca5c4-df694e-211f2d-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