Color

#4d5ea3

#4d5ea3
hex#4d5ea3
rgbrgb(77, 94, 163)
hslhsl(228, 36%, 47%)
oklchoklch(0.501 0.112 271.4)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1223

Colors that go with #4d5ea3

Charcoal, Sea Green and Amber 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.

Real palettes that use #4d5ea3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a3924d

#4d89a3 · #674da3

#a34d5e · #5ea34d

Split-complementary

Open in tool →

#a3674d · #89a34d

#a34d89 · #a3924d · #4da367

Contrast

#4d5ea3 as textRatioAAAA largeAAAFix
Aaon white
6.09:1passpassfail
  • AAA: use #455492 as the text (7.15:1)
Aaon black
3.45:1failpassfail
  • AA: use #6373b6 as the text (4.66:1)
  • AAA: use #8996c8 as the text (7.26:1)
  • AA: or shift the background to #dedede (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d5ea3 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

#4d5ea3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d5ea3
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 #4d5ea3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d5ea3-9c9fc4-df7c4e-231f2d-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