Color

#4a91e8

#4a91e8
hex#4a91e8
rgbrgb(74, 145, 232)
hslhsl(213, 77%, 60%)
oklchoklch(0.652 0.149 254.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2753

Colors that go with #4a91e8

Charcoal, Amber and Blue 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 →

#e8a14a

#4ae0e8 · #524ae8

#e84a91 · #91e84a

Split-complementary

Open in tool →

#e8524a · #e0e84a

#e84ae0 · #e8a14a · #4ae852

Contrast

#4a91e8 as textRatioAAAA largeAAAFix
Aaon white
3.23:1failpassfail
  • AA: use #1d73dd as the text (4.62:1)
  • AAA: use #1657a7 as the text (7.11:1)
  • AA: or shift the background to #292929 (4.51:1)
Aaon black
6.51:1passpassfail
  • AAA: use #5899e9 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4a91e8 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

#4a91e8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a91e8
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 #4a91e8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a91e8-9ca9c4-df584e-1f202d-e9f0f1?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