Color

#004db3

#004db3
hex#004db3
rgbrgb(0, 77, 179)
hslhsl(214, 100%, 35%)
oklchoklch(0.448 0.175 259.2)
Closest name: Denim (#2243b6)Relative luminance 0.0856

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b36500

#00a7b3 · #0c00b3

#b3004d · #4db300

Split-complementary

Open in tool →

#b30c00 · #a7b300

#b300a7 · #b36500 · #00b30c

Contrast

#004db3 as textRatioAAAA largeAAAFix
Aaon white
7.74:1passpasspassPasses AAA — no fix needed.
Aaon black
2.71:1failfailfail
  • AA: use #006cfa as the text (4.53:1)
  • AAA: use #4797ff as the text (7.14:1)
  • AA: or shift the background to #c7c7c7 (4.58:1)
  • AAA: or shift the background to #f5f5f5 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #004db3 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

#004db3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #004db3
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 #004db3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/004db3-9ca9c4-df5a4e-1f1f2d-e9f0f1?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