Color

#156a99

#156a99
hex#156a99
rgbrgb(21, 106, 153)
hslhsl(201, 76%, 34%)
oklchoklch(0.5 0.106 239.7)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1277

Colors that go with #156a99

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 →

#994315

#159985 · #152999

#99156a · #6a9915

Split-complementary

Open in tool →

#991529 · #998515

#851599 · #994315 · #299915

Contrast

#156a99 as textRatioAAAA largeAAAFix
Aaon white
5.91:1passpassfail
  • AAA: use #125e87 as the text (7.05:1)
Aaon black
3.55:1failpassfail
  • AA: use #187db4 as the text (4.63:1)
  • AAA: use #239fe1 as the text (7.12:1)
  • AA: or shift the background to #e3e3e3 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #156a99 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

#156a99 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #156a99
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 #156a99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/156a99-9cb1c4-df4e62-1f222d-e9f1f0?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