Color

#4099e2

#4099e2
hex#4099e2
rgbrgb(64, 153, 226)
hslhsl(207, 74%, 57%)
oklchoklch(0.663 0.138 246.7)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2936

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e28940

#40e2da · #4048e2

#e24099 · #99e240

Split-complementary

Open in tool →

#e24048 · #e2da40

#da40e2 · #e28940 · #48e240

Contrast

#4099e2 as textRatioAAAA largeAAAFix
Aaon white
3.06:1failpassfail
  • AA: use #1d79c3 as the text (4.59:1)
  • AAA: use #165a92 as the text (7.21:1)
  • AA: or shift the background to #2b2b2b (4.63:1)
Aaon black
6.87:1passpassfail
  • AAA: use #459ce3 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4099e2 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

#4099e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4099e2
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 #4099e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4099e2-9cadc4-df4e53-1f212d-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