Color

#150ee1

#150ee1
hex#150ee1
rgbrgb(21, 14, 225)
hslhsl(242, 88%, 47%)
oklchoklch(0.421 0.278 266.2)
Closest name: Brutally Blue (#0022dd)Relative luminance 0.0591

Colors that go with #150ee1

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 →

#dae10e

#0e71e1 · #7f0ee1

#e1150e · #0ee115

Split-complementary

Open in tool →

#e17f0e · #71e10e

#e10e71 · #dae10e · #0ee17f

Contrast

#150ee1 as textRatioAAAA largeAAAFix
Aaon white
9.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #6661f5 as the text (4.59:1)
  • AAA: use #908cf8 as the text (7.29:1)
  • AA: or shift the background to #b3b3b3 (4.59:1)
  • AAA: or shift the background to #dedede (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #150ee1 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

#150ee1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #150ee1
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 #150ee1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/150ee1-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