Color

#04579a

#04579a
hex#04579a
rgbrgb(4, 87, 154)
hslhsl(207, 95%, 31%)
oklchoklch(0.452 0.129 251)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0918

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9a4804

#049a93 · #040b9a

#9a0457 · #579a04

Split-complementary

Open in tool →

#9a040b · #9a9304

#93049a · #9a4804 · #0b9a04

Contrast

#04579a as textRatioAAAA largeAAAFix
Aaon white
7.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #0578d6 as the text (4.66:1)
  • AAA: use #299cfa as the text (7.23:1)
  • AA: or shift the background to #cccccc (4.61:1)
  • AAA: or shift the background to #fafafa (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 #04579a 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

#04579a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04579a
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 #04579a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04579a-9cadc4-df4e53-1f212d-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