Color

#4e5eb1

#4e5eb1
hex#4e5eb1
rgbrgb(78, 94, 177)
hslhsl(230, 39%, 50%)
oklchoklch(0.511 0.132 272.7)
Closest name: Bellflower (#5d66aa)Relative luminance 0.128

Colors that go with #4e5eb1

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b1a14e

#4e90b1 · #6f4eb1

#b14e5e · #5eb14e

Split-complementary

Open in tool →

#b16f4e · #90b14e

#b14e90 · #b1a14e · #4eb16f

Contrast

#4e5eb1 as textRatioAAAA largeAAAFix
Aaon white
5.9:1passpassfail
  • AAA: use #44539c as the text (7.09:1)
Aaon black
3.56:1failpassfail
  • AA: use #6372bb as the text (4.66:1)
  • AAA: use #8a95cc as the text (7.25:1)
  • AA: or shift the background to #e3e3e3 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e5eb1 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

#4e5eb1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e5eb1
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 #4e5eb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e5eb1-9c9ec4-df814e-231f2d-e9eef1?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