Color

#4087ce

#4087ce
hex#4087ce
rgbrgb(64, 135, 206)
hslhsl(210, 59%, 53%)
oklchoklch(0.611 0.13 250.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2287

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ce8740

#40cece · #4040ce

#ce4087 · #87ce40

Split-complementary

Open in tool →

#ce4040 · #cece40

#ce40ce · #ce8740 · #40ce40

Contrast

#4087ce as textRatioAAAA largeAAAFix
Aaon white
3.77:1failpassfail
  • AA: use #3178bf as the text (4.6:1)
  • AAA: use #25598e as the text (7.25:1)
  • AA: or shift the background to #1c1c1c (4.52:1)
Aaon black
5.57:1passpassfail
  • AAA: use #619cd6 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4087ce 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

#4087ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4087ce
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 #4087ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4087ce-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