Color

#156a8a

#156a8a
hex#156a8a
rgbrgb(21, 106, 138)
hslhsl(196, 74%, 31%)
oklchoklch(0.492 0.091 229.4)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.123

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8a3415

#158a6e · #15308a

#8a156a · #6a8a15

Split-complementary

Open in tool →

#8a1530 · #8a6e15

#6e158a · #8a3415 · #308a15

Contrast

#156a8a as textRatioAAAA largeAAAFix
Aaon white
6.07:1passpassfail
  • AAA: use #13607c as the text (7.02:1)
Aaon black
3.46:1failpassfail
  • AA: use #197fa4 as the text (4.61:1)
  • AAA: use #1fa1d1 as the text (7.08:1)
  • AA: or shift the background to #dedede (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #156a8a 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

#156a8a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #156a8a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #156a8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/156a8a-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