Color

#158def

#158def
hex#158def
rgbrgb(21, 141, 239)
hslhsl(207, 87%, 51%)
oklchoklch(0.634 0.175 250.5)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2544

Colors that go with #158def

Charcoal, Copper and Amber 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 →

#ef7715

#15efe4 · #1520ef

#ef158d · #8def15

Split-complementary

Open in tool →

#ef1520 · #efe415

#e415ef · #ef7715 · #20ef15

Contrast

#158def as textRatioAAAA largeAAAFix
Aaon white
3.45:1failpassfail
  • AA: use #0e77cd as the text (4.63:1)
  • AAA: use #0b5b9d as the text (7.01:1)
  • AA: or shift the background to #242424 (4.5:1)
Aaon black
6.09:1passpassfail
  • AAA: use #329bf1 as the text (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 #158def 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

#158def reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #158def
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 #158def and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/158def-9cadc4-df4e53-1f212d-e9f1f1?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