Color

#041a58

#041a58
hex#041a58
rgbrgb(4, 26, 88)
hslhsl(224, 91%, 18%)
oklchoklch(0.252 0.115 263.8)
Closest name: Interstellar Blue (#001155)Relative luminance 0.0147

Tints & shades

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

Harmonies

Complementary

Open in tool →

#584104

#044458 · #180458

#58041a · #1a5804

Split-complementary

Open in tool →

#581804 · #445804

#580444 · #584104 · #045818

Contrast

#041a58 as textRatioAAAA largeAAAFix
Aaon white
16.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #376af6 as the text (4.55:1)
  • AAA: use #6d92f8 as the text (7.12:1)
  • AA: or shift the background to #878787 (4.52:1)
  • AAA: or shift the background to #ababab (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #041a58 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

#041a58 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #041a58
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 #041a58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/041a58-9ca2c4-df724e-221f2d-e9eff1?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