Color

#4089e2

#4089e2
hex#4089e2
rgbrgb(64, 137, 226)
hslhsl(213, 74%, 57%)
oklchoklch(0.627 0.153 255)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2447

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e29940

#40dae2 · #4840e2

#e24089 · #89e240

Split-complementary

Open in tool →

#e24840 · #dae240

#e240da · #e29940 · #40e248

Contrast

#4089e2 as textRatioAAAA largeAAAFix
Aaon white
3.56:1failpassfail
  • AA: use #2074d9 as the text (4.6:1)
  • AAA: use #1957a4 as the text (7.14:1)
  • AA: or shift the background to #212121 (4.52:1)
Aaon black
5.89:1passpassfail
  • AAA: use #5b9ae6 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4089e2 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

#4089e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4089e2
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 #4089e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4089e2-9ca9c4-df584e-1f202d-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