Color

#40316d

#40316d
hex#40316d
rgbrgb(64, 49, 109)
hslhsl(255, 38%, 31%)
oklchoklch(0.362 0.1 292.2)
Closest name: Her Highness (#432e6f)Relative luminance 0.0439

Colors that go with #40316d

Steel Blue, Blue and Crimson 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 →

#5e6d31

#31406d · #5e316d

#6d4031 · #316d40

Split-complementary

Open in tool →

#6d5e31 · #406d31

#6d3140 · #5e6d31 · #316d5e

Contrast

#40316d as textRatioAAAA largeAAAFix
Aaon white
11.18:1passpasspassPasses AAA — no fix needed.
Aaon black
1.88:1failfailfail
  • AA: use #7d68bb as the text (4.57:1)
  • AAA: use #9e8ecc as the text (7.19:1)
  • AA: or shift the background to #a6a6a6 (4.59:1)
  • AAA: or shift the background to #cfcfcf (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40316d 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

#40316d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40316d
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 #40316d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40316d-ab9cc4-dfbd4e-291f2d-e9ebf1?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