Color

#4b31f2

#4b31f2
hex#4b31f2
rgbrgb(75, 49, 242)
hslhsl(248, 88%, 57%)
oklchoklch(0.495 0.265 276.7)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.101

Colors that go with #4b31f2

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 →

#d8f231

#3178f2 · #ab31f2

#f24b31 · #31f24b

Split-complementary

Open in tool →

#f2ab31 · #78f231

#f23178 · #d8f231 · #31f2ab

Contrast

#4b31f2 as textRatioAAAA largeAAAFix
Aaon white
6.95:1passpassfail
  • AAA: use #462cf2 as the text (7.23:1)
Aaon black
3.02:1failpassfail
  • AA: use #705cf5 as the text (4.54:1)
  • AAA: use #9687f7 as the text (7.11:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b31f2 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

#4b31f2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b31f2
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 #4b31f2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b31f2-a69cc4-dfac4e-271f2d-e9ecf1?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