Color

#04739f

#04739f
hex#04739f
rgbrgb(4, 115, 159)
hslhsl(197, 95%, 32%)
oklchoklch(0.524 0.109 234.3)
Closest name: Bleu Ciel (#007ba1)Relative luminance 0.1479

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9f3004

#049f7e · #04269f

#9f0473 · #739f04

Split-complementary

Open in tool →

#9f0426 · #9f7e04

#7e049f · #9f3004 · #269f04

Contrast

#04739f as textRatioAAAA largeAAAFix
Aaon white
5.31:1passpassfail
  • AAA: use #035e81 as the text (7.19:1)
Aaon black
3.96:1failpassfail
  • AA: use #047eae as the text (4.6:1)
  • AAA: use #06a2e0 as the text (7.25:1)
  • AA: or shift the background to #ededed (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04739f 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

#04739f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04739f
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 #04739f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04739f-9cb4c4-df4e6b-1f232d-e9f1ef?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