Color

#253bad

#253bad
hex#253bad
rgbrgb(37, 59, 173)
hslhsl(230, 65%, 41%)
oklchoklch(0.416 0.182 268.3)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0654

Colors that go with #253bad

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ad9625

#257fad · #5225ad

#ad253b · #3bad25

Split-complementary

Open in tool →

#ad5225 · #7fad25

#ad257f · #ad9625 · #25ad52

Contrast

#253bad as textRatioAAAA largeAAAFix
Aaon white
9.1:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #576ddb as the text (4.62:1)
  • AAA: use #8191e4 as the text (7.1:1)
  • AA: or shift the background to #b8b8b8 (4.59:1)
  • AAA: or shift the background to #e3e3e3 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #253bad as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#253bad reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #253bad
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 #253bad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/253bad-9c9ec4-df814e-231f2d-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