Color

#4d5db3

#4d5db3
hex#4d5db3
rgbrgb(77, 93, 179)
hslhsl(231, 40%, 50%)
oklchoklch(0.51 0.136 272.7)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1266

Colors that go with #4d5db3

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 →

#b3a34d

#4d8fb3 · #704db3

#b34d5c · #5cb34d

Split-complementary

Open in tool →

#b3704d · #8fb34d

#b34d8f · #b3a34d · #4db370

Contrast

#4d5db3 as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
  • AAA: use #43519d as the text (7.24:1)
Aaon black
3.53:1failpassfail
  • AA: use #626fbc as the text (4.52:1)
  • AAA: use #8993cd as the text (7.12:1)
  • AA: or shift the background to #e0e0e0 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d5db3 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

#4d5db3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d5db3
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 #4d5db3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d5db3-9c9ec4-df834e-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