Color

#10757e

#10757e
hex#10757e
rgbrgb(16, 117, 126)
hslhsl(185, 77%, 28%)
oklchoklch(0.515 0.084 204.6)
Closest name: Emperor Jade (#007b75)Relative luminance 0.1434

Colors that go with #10757e

Charcoal, Crimson 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 →

#7e1a10

#107e51 · #103e7e

#7e1075 · #757e10

Split-complementary

Open in tool →

#7e103e · #7e5110

#51107e · #7e1a10 · #3e7e10

Contrast

#10757e as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #0d6068 as the text (7.27:1)
Aaon black
3.87:1failpassfail
  • AA: use #12828c as the text (4.6:1)
  • AAA: use #17a7b5 as the text (7.23:1)
  • AA: or shift the background to #ebebeb (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10757e as the background.

Brands using this color

Fonts for this mood

#10757e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10757e
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 #10757e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10757e-a2b8be-df4e88-1f262d-e9f1ee?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