Color

#158cb7

#158cb7
hex#158cb7
rgbrgb(21, 140, 183)
hslhsl(196, 79%, 40%)
oklchoklch(0.6 0.115 229.7)
Closest name: steelblue (#4682b4)Relative luminance 0.2233

Colors that go with #158cb7

Charcoal, Crimson and Royal 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 →

#b74015

#15b791 · #153bb7

#b7158c · #8cb715

Split-complementary

Open in tool →

#b7153b · #b79115

#9115b7 · #b74015 · #3bb715

Contrast

#158cb7 as textRatioAAAA largeAAAFix
Aaon white
3.84:1failpassfail
  • AA: use #137ea4 as the text (4.62:1)
  • AAA: use #0e5e7b as the text (7.23:1)
  • AA: or shift the background to #1a1a1a (4.53:1)
Aaon black
5.47:1passpassfail
  • AAA: use #19a1d2 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #158cb7 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

#158cb7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #158cb7
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 #158cb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/158cb7-9cb5c4-df4e6e-1f232d-e9f1ef?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