Color

#2f33a2

#2f33a2
hex#2f33a2
rgbrgb(47, 51, 162)
hslhsl(238, 55%, 41%)
oklchoklch(0.397 0.175 273.5)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0558

Colors that go with #2f33a2

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.

Real palettes that use #2f33a2

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a29e2f

#2f6ca2 · #652fa2

#a22f33 · #33a22f

Split-complementary

Open in tool →

#a2652f · #6ca22f

#a22f6c · #a29e2f · #2fa265

Contrast

#2f33a2 as textRatioAAAA largeAAAFix
Aaon white
9.92:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #696cd3 as the text (4.69:1)
  • AAA: use #8c8fde as the text (7.1:1)
  • AA: or shift the background to #b0b0b0 (4.58:1)
  • AAA: or shift the background to #d9d9d9 (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 #2f33a2 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

#2f33a2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f33a2
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 #2f33a2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f33a2-9f9cc4-df944e-251f2d-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