Color

#4d6fea

#4d6fea
hex#4d6fea
rgbrgb(77, 111, 234)
hslhsl(227, 79%, 61%)
oklchoklch(0.584 0.189 268.3)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1889

Colors that go with #4d6fea

Charcoal, Crimson and Sea Green 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 →

#eac84d

#4dbeea · #7a4dea

#ea4d6f · #6fea4d

Split-complementary

Open in tool →

#ea7a4d · #beea4d

#ea4dbe · #eac84d · #4dea7a

Contrast

#4d6fea as textRatioAAAA largeAAAFix
Aaon white
4.4:1failpassfail
  • AA: use #486bea as the text (4.6:1)
  • AAA: use #1a45e0 as the text (7.07:1)
  • AA: or shift the background to #0a0a0a (4.5:1)
Aaon black
4.78:1passpassfail
  • AAA: use #7690ef as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d6fea 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

#4d6fea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d6fea
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 #4d6fea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d6fea-9ca0c4-df7a4e-221f2d-e9eff1?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