Color

#31386d

#31386d
hex#31386d
rgbrgb(49, 56, 109)
hslhsl(233, 38%, 31%)
oklchoklch(0.363 0.091 275.3)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0459

Colors that go with #31386d

Blush Pink, Medium Sea Green and Powder 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.

Real palettes that use #31386d

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6d6631

#31566d · #48316d

#6d3138 · #386d31

Split-complementary

Open in tool →

#6d4831 · #566d31

#6d3156 · #6d6631 · #316d48

Contrast

#31386d as textRatioAAAA largeAAAFix
Aaon white
10.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #6871bb as the text (4.67:1)
  • AAA: use #8b92cb as the text (7.07:1)
  • AA: or shift the background to #a8a8a8 (4.61:1)
  • AAA: or shift the background to #cfcfcf (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31386d 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

#31386d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31386d
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 #31386d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31386d-9c9cc4-df884e-241f2d-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