Color

#4e5ab7

#4e5ab7
hex#4e5ab7
rgbrgb(78, 90, 183)
hslhsl(233, 42%, 51%)
oklchoklch(0.507 0.146 274.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1235

Colors that go with #4e5ab7

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 →

#b7aa4e

#4e8eb7 · #764eb7

#b74e5a · #5ab74e

Split-complementary

Open in tool →

#b7764e · #8eb74e

#b74e8e · #b7aa4e · #4eb776

Contrast

#4e5ab7 as textRatioAAAA largeAAAFix
Aaon white
6.05:1passpassfail
  • AAA: use #4450a7 as the text (7.12:1)
Aaon black
3.47:1failpassfail
  • AA: use #636ebf as the text (4.51:1)
  • AAA: use #8b93d0 as the text (7.18:1)
  • AA: or shift the background to #e0e0e0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e5ab7 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

#4e5ab7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e5ab7
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 #4e5ab7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e5ab7-9c9cc4-df884e-241f2d-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