Color

#4e99e4

#4e99e4
hex#4e99e4
rgbrgb(78, 153, 228)
hslhsl(210, 74%, 60%)
oklchoklch(0.668 0.135 250.5)
Closest name: Blue Bay (#619ad6)Relative luminance 0.3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e4994e

#4ee4e4 · #4e4ee4

#e44e99 · #99e44e

Split-complementary

Open in tool →

#e44e4e · #e4e44e

#e44ee4 · #e4994e · #4ee44e

Contrast

#4e99e4 as textRatioAAAA largeAAAFix
Aaon white
3:1failfailfail
  • AA: use #1f78d1 as the text (4.5:1)
  • AAA: use #17599b as the text (7.15:1)
  • AA: or shift the background to #2e2e2e (4.53:1)
  • AAA: or shift the background to #000000 (7:1)
Aaon black
7:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e99e4 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

#4e99e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e99e4
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 #4e99e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e99e4-9cabc4-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