Color

#150fd2

#150fd2
hex#150fd2
rgbrgb(21, 15, 210)
hslhsl(242, 87%, 44%)
oklchoklch(0.402 0.263 266.5)
Closest name: mediumblue (#0000cd)Relative luminance 0.0515

Colors that go with #150fd2

Charcoal, Crimson and Cornflower 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 →

#cbd20f

#0f6ad2 · #770fd2

#d2150f · #0fd215

Split-complementary

Open in tool →

#d2770f · #6ad20f

#d20f6a · #cbd20f · #0fd277

Contrast

#150fd2 as textRatioAAAA largeAAAFix
Aaon white
10.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #6762f4 as the text (4.63:1)
  • AAA: use #908df7 as the text (7.34:1)
  • AA: or shift the background to #ababab (4.5:1)
  • AAA: or shift the background to #d6d6d6 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #150fd2 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

#150fd2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #150fd2
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 #150fd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/150fd2-a29cc4-df9e4e-261f2d-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