Color

#276b96

#276b96
hex#276b96
rgbrgb(39, 107, 150)
hslhsl(203, 59%, 37%)
oklchoklch(0.505 0.096 240.5)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1315

Colors that go with #276b96

Charcoal, Royal Blue 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 →

#965127

#279689 · #273496

#96276b · #6b9627

Split-complementary

Open in tool →

#962734 · #968927

#892796 · #965127 · #349627

Contrast

#276b96 as textRatioAAAA largeAAAFix
Aaon white
5.79:1passpassfail
  • AAA: use #215d82 as the text (7.11:1)
Aaon black
3.63:1failpassfail
  • AA: use #2d7dae as the text (4.66:1)
  • AAA: use #4d9ed1 as the text (7.13:1)
  • AA: or shift the background to #e3e3e3 (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 #276b96 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#276b96 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #276b96
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 #276b96 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/276b96-9cb0c4-df4e5d-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