Color

#03166d

#03166d
hex#03166d
rgbrgb(3, 22, 109)
hslhsl(229, 95%, 22%)
oklchoklch(0.27 0.149 264.8)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.017

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d5a03

#034c6d · #25036d

#6d0316 · #166d03

Split-complementary

Open in tool →

#6d2503 · #4c6d03

#6d034c · #6d5a03 · #036d25

Contrast

#03166d as textRatioAAAA largeAAAFix
Aaon white
15.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #4768fa as the text (4.63:1)
  • AAA: use #7991fc as the text (7.27:1)
  • AA: or shift the background to #8a8a8a (4.54:1)
  • AAA: or shift the background to #b0b0b0 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03166d 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

#03166d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03166d
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 #03166d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03166d-9c9fc4-df7e4e-231f2d-e9eef1?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