Color

#043dae

#043dae
hex#043dae
rgbrgb(4, 61, 174)
hslhsl(220, 96%, 35%)
oklchoklch(0.412 0.188 262.3)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0642

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af7604

#0492af · #2004af

#af043d · #3daf04

Split-complementary

Open in tool →

#af2004 · #92af04

#af0492 · #af7604 · #04af20

Contrast

#043dae as textRatioAAAA largeAAAFix
Aaon white
9.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #236bfb as the text (4.57:1)
  • AAA: use #5f93fc as the text (7.07:1)
  • AA: or shift the background to #b8b8b8 (4.64:1)
  • AAA: or shift the background to #e3e3e3 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #043dae as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#043dae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #043dae
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 #043dae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/043dae-9ca5c4-df694e-211f2d-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