Color

#436cd6

#436cd6
hex#436cd6
rgbrgb(67, 108, 214)
hslhsl(223, 64%, 55%)
oklchoklch(0.559 0.169 265.4)
Closest name: royalblue (#4169e1)Relative luminance 0.1677

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d6ac43

#43b6d6 · #6343d6

#d6436c · #6cd643

Split-complementary

Open in tool →

#d66343 · #b6d643

#d643b6 · #d6ac43 · #43d663

Contrast

#436cd6 as textRatioAAAA largeAAAFix
Aaon white
4.82:1passpassfail
  • AAA: use #2851b8 as the text (7.1:1)
Aaon black
4.35:1failpassfail
  • AA: use #4770d7 as the text (4.57:1)
  • AAA: use #7594e1 as the text (7.08:1)
  • AA: or shift the background to #f7f7f7 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #436cd6 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

#436cd6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #436cd6
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 #436cd6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/436cd6-9ca3c4-df704e-211f2d-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