Color

#4a91ed

#4a91ed
hex#4a91ed
rgbrgb(74, 145, 237)
hslhsl(214, 82%, 61%)
oklchoklch(0.654 0.155 255.9)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2782

Colors that go with #4a91ed

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 →

#eda64a

#4ae2ed · #554aed

#ed4a91 · #91ed4a

Split-complementary

Open in tool →

#ed554a · #e2ed4a

#ed4ae2 · #eda64a · #4aed55

Contrast

#4a91ed as textRatioAAAA largeAAAFix
Aaon white
3.2:1failpassfail
  • AA: use #1772e8 as the text (4.56:1)
  • AAA: use #1156b0 as the text (7.04:1)
  • AA: or shift the background to #292929 (4.55:1)
Aaon black
6.56:1passpassfail
  • AAA: use #5899ee as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4a91ed 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

#4a91ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a91ed
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 #4a91ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a91ed-9ca9c4-df5a4e-1f1f2d-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