Color

#03038c

#03038c
hex#03038c
rgbrgb(3, 3, 140)
hslhsl(240, 96%, 28%)
oklchoklch(0.293 0.198 264.8)
Closest name: darkblue (#00008b)Relative luminance 0.0198

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c8c03

#03478c · #47038c

#8c0303 · #038c03

Split-complementary

Open in tool →

#8c4703 · #478c03

#8c0347 · #8c8c03 · #038c47

Contrast

#03038c as textRatioAAAA largeAAAFix
Aaon white
15.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #5f5ffc as the text (4.53:1)
  • AAA: use #8c8cfd as the text (7.28:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03038c 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

#03038c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03038c
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 #03038c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03038c-a19cc4-df994e-251f2d-e9edf1?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