Color

#4f5da1

#4f5da1
hex#4f5da1
rgbrgb(79, 93, 161)
hslhsl(230, 34%, 47%)
oklchoklch(0.499 0.11 273.1)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1206

Colors that go with #4f5da1

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 →

#a1934f

#4f85a1 · #6a4fa1

#a14f5d · #5da14f

Split-complementary

Open in tool →

#a16a4f · #85a14f

#a14f85 · #a1934f · #4fa16a

Contrast

#4f5da1 as textRatioAAAA largeAAAFix
Aaon white
6.15:1passpassfail
  • AAA: use #485593 as the text (7.01:1)
Aaon black
3.41:1failpassfail
  • AA: use #6572b3 as the text (4.61:1)
  • AAA: use #8b95c6 as the text (7.21:1)
  • AA: or shift the background to #dedede (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f5da1 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #4f5da1
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 #4f5da1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f5da1-9c9ec4-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