Color

#4999ee

#4999ee
hex#4999ee
rgbrgb(73, 153, 238)
hslhsl(211, 83%, 61%)
oklchoklch(0.672 0.149 252.1)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3037

Colors that go with #4999ee

Charcoal, Medium Sea Green and Peru lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ee9e49

#49ebee · #4c49ee

#ee4999 · #99ee49

Split-complementary

Open in tool →

#ee4c49 · #ebee49

#ee49eb · #ee9e49 · #49ee4c

Contrast

#4999ee as textRatioAAAA largeAAAFix
Aaon white
2.97:1failfailfail
  • AA: use #1475db as the text (4.57:1)
  • AAA: use #0f57a3 as the text (7.21:1)
  • AA: or shift the background to #2e2e2e (4.57:1)
  • AAA: or shift the background to #000000 (7.07:1)
Aaon black
7.07:1passpasspassPasses 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 #4999ee 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

#4999ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4999ee
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4999ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4999ee-9cabc4-df534e-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