Color

#03037c

#03037c
hex#03037c
rgbrgb(3, 3, 124)
hslhsl(240, 95%, 25%)
oklchoklch(0.269 0.181 265.1)
Closest name: navy (#000080)Relative luminance 0.0154

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7c7c03

#03407c · #40037c

#7c0303 · #037c03

Split-complementary

Open in tool →

#7c4003 · #407c03

#7c0340 · #7c7c03 · #037c40

Contrast

#03037c as textRatioAAAA largeAAAFix
Aaon white
16.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #6060fb as the text (4.56:1)
  • AAA: use #8d8dfc as the text (7.35:1)
  • AA: or shift the background to #8a8a8a (4.65:1)
  • AAA: or shift the background to #adadad (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03037c 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

#03037c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03037c
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 #03037c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03037c-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