Color

#034f81

#034f81
hex#034f81
rgbrgb(3, 79, 129)
hslhsl(204, 95%, 26%)
oklchoklch(0.415 0.106 246.2)
Closest name: Beyond the Sea (#005784)Relative luminance 0.072

Tints & shades

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

Harmonies

Complementary

Open in tool →

#813603

#038175 · #031081

#81034f · #4f8103

Split-complementary

Open in tool →

#810310 · #817503

#750381 · #813603 · #108103

Contrast

#034f81 as textRatioAAAA largeAAAFix
Aaon white
8.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #0579c7 as the text (4.57:1)
  • AAA: use #0b9af9 as the text (7:1)
  • AA: or shift the background to #bdbdbd (4.58:1)
  • AAA: or shift the background to #e8e8e8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #034f81 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

#034f81 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #034f81
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 #034f81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/034f81-9cafc4-df4e5a-1f222d-e9f1f0?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