Color

#4840ba

#4840ba
hex#4840ba
rgbrgb(72, 64, 186)
hslhsl(244, 49%, 49%)
oklchoklch(0.458 0.185 279.1)
Closest name: Blurple (#5539cc)Relative luminance 0.0859

Colors that go with #4840ba

Charcoal, Sea Green and Steel 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 →

#b2ba40

#4075ba · #8540ba

#ba4840 · #40ba48

Split-complementary

Open in tool →

#ba8540 · #75ba40

#ba4075 · #b2ba40 · #40ba85

Contrast

#4840ba as textRatioAAAA largeAAAFix
Aaon white
7.73:1passpasspassPasses AAA — no fix needed.
Aaon black
2.72:1failfailfail
  • AA: use #716bcc as the text (4.68:1)
  • AAA: use #928dd8 as the text (7.02:1)
  • AA: or shift the background to #c7c7c7 (4.57:1)
  • AAA: or shift the background to #f5f5f5 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4840ba 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

#4840ba reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4840ba
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 #4840ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4840ba-a39cc4-dfa24e-261f2d-e9edf1?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