Color

#03045e

#03045e
hex#03045e
rgbrgb(3, 4, 94)
hslhsl(239, 94%, 19%)
oklchoklch(0.225 0.146 265.8)
Closest name: Alone in the Dark (#000066)Relative luminance 0.0091

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e5c03

#03325e · #2f035e

#5e0304 · #045e03

Split-complementary

Open in tool →

#5e2f03 · #325e03

#5e0332 · #5e5c03 · #035e2f

Contrast

#03045e as textRatioAAAA largeAAAFix
Aaon white
17.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #6163fa as the text (4.67:1)
  • AAA: use #888afb as the text (7.08:1)
  • AA: or shift the background to #828282 (4.62:1)
  • AAA: or shift the background to #a3a3a3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03045e 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

#03045e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03045e
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 #03045e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03045e-a09cc4-df964e-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