Color

#033681

#033681
hex#033681
rgbrgb(3, 54, 129)
hslhsl(216, 95%, 26%)
oklchoklch(0.354 0.136 259.5)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0424

Tints & shades

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

Harmonies

Complementary

Open in tool →

#814f03

#037581 · #100381

#810336 · #368103

Split-complementary

Open in tool →

#811003 · #758103

#810375 · #814f03 · #038110

Contrast

#033681 as textRatioAAAA largeAAAFix
Aaon white
11.36:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #106df9 as the text (4.58:1)
  • AAA: use #5195fb as the text (7.04:1)
  • AA: or shift the background to #a3a3a3 (4.5:1)
  • AAA: or shift the background to #cccccc (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033681 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

#033681 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033681
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 #033681 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033681-9ca7c4-df5f4e-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