Color

#043d77

#043d77
hex#043d77
rgbrgb(4, 61, 119)
hslhsl(210, 93%, 24%)
oklchoklch(0.363 0.113 254.4)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.047

Tints & shades

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

Harmonies

Complementary

Open in tool →

#763d04

#047676 · #040476

#76043d · #3d7604

Split-complementary

Open in tool →

#760404 · #767604

#760476 · #763d04 · #047604

Contrast

#043d77 as textRatioAAAA largeAAAFix
Aaon white
10.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #0873dd as the text (4.51:1)
  • AAA: use #3a99f8 as the text (7.09:1)
  • AA: or shift the background to #a8a8a8 (4.55:1)
  • AAA: or shift the background to #d1d1d1 (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 #043d77 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

#043d77 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #043d77
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 #043d77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/043d77-9cabc4-df514e-1f202d-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