Color

#003261

#003261
hex#003261
rgbrgb(0, 50, 97)
hslhsl(209, 100%, 19%)
oklchoklch(0.317 0.097 252.6)
Closest name: Marine (#042e60)Relative luminance 0.0314

Tints & shades

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

Harmonies

Complementary

Open in tool →

#612f00

#00615f · #000261

#610032 · #326100

Split-complementary

Open in tool →

#610002 · #615f00

#5f0061 · #612f00 · #026100

Contrast

#003261 as textRatioAAAA largeAAAFix
Aaon white
12.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #0074e0 as the text (4.57:1)
  • AAA: use #2e9aff as the text (7.18:1)
  • AA: or shift the background to #999999 (4.53:1)
  • AAA: or shift the background to #bfbfbf (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #003261 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

#003261 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003261
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 #003261 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003261-9cacc4-df4e4e-1f212d-e9f1f1?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