Color

#004ecc

#004ecc
hex#004ecc
rgbrgb(0, 78, 204)
hslhsl(217, 100%, 40%)
oklchoklch(0.472 0.206 261.1)
Closest name: Denim (#2243b6)Relative luminance 0.0981

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc7e00

#00b4cc · #1800cc

#cc004e · #4ecc00

Split-complementary

Open in tool →

#cc1800 · #b4cc00

#cc00b4 · #cc7e00 · #00cc18

Contrast

#004ecc as textRatioAAAA largeAAAFix
Aaon white
7.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.96:1failfailfail
  • AA: use #0f6bff as the text (4.57:1)
  • AAA: use #5294ff as the text (7.04:1)
  • AA: or shift the background to #cfcfcf (4.55:1)
  • AAA: or shift the background to #ffffff (7.09:1)

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

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

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

tool url/palettes/new/004ecc-9ca7c4-df624e-201f2d-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