Color

#033fa0

#033fa0
hex#033fa0
rgbrgb(3, 63, 160)
hslhsl(217, 96%, 32%)
oklchoklch(0.402 0.167 260.7)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0611

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a06403

#038ea0 · #1603a0

#a0033f · #3fa003

Split-complementary

Open in tool →

#a01603 · #8ea003

#a0038e · #a06403 · #03a016

Contrast

#033fa0 as textRatioAAAA largeAAAFix
Aaon white
9.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #146cfa as the text (4.56:1)
  • AAA: use #5595fc as the text (7.09:1)
  • AA: or shift the background to #b3b3b3 (4.51:1)
  • AAA: or shift the background to #dedede (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033fa0 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

#033fa0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033fa0
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 #033fa0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033fa0-9ca7c4-df624e-201f2d-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