Color

#2533fe

#2533fe
hex#2533fe
rgbrgb(37, 51, 254)
hslhsl(236, 99%, 57%)
oklchoklch(0.491 0.285 267.4)
Closest name: C64 Blue (#003aff)Relative luminance 0.0992

Colors that go with #2533fe

Charcoal, Crimson and Cobalt 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 →

#feef25

#25a0fe · #8325fe

#fe2533 · #33fe25

Split-complementary

Open in tool →

#fe8325 · #a0fe25

#fe25a0 · #feef25 · #25fe83

Contrast

#2533fe as textRatioAAAA largeAAAFix
Aaon white
7.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #5863fe as the text (4.63:1)
  • AAA: use #858dfe as the text (7.24:1)
  • AA: or shift the background to #cfcfcf (4.52:1)
  • AAA: or shift the background to #ffffff (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2533fe as the background.

Brands using this color

Fonts for this mood

#2533fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2533fe
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 #2533fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2533fe-9e9cc4-df8f4e-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