Color

#40698c

#40698c
hex#40698c
rgbrgb(64, 105, 140)
hslhsl(208, 37%, 40%)
oklchoklch(0.506 0.073 245.7)
Closest name: Astral (#376f89)Relative luminance 0.1309

Colors that go with #40698c

Charcoal, Sienna 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 →

#8c6340

#408c89 · #40438c

#8c4069 · #698c40

Split-complementary

Open in tool →

#8c4043 · #8c8940

#89408c · #8c6340 · #438c40

Contrast

#40698c as textRatioAAAA largeAAAFix
Aaon white
5.81:1passpassfail
  • AAA: use #385b7a as the text (7.13:1)
Aaon black
3.62:1failpassfail
  • AA: use #4c7ba4 as the text (4.68:1)
  • AAA: use #739cbf as the text (7.24:1)
  • AA: or shift the background to #e3e3e3 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40698c as the background.

Brands using this color

Fonts for this mood

#40698c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40698c
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 #40698c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40698c-9cadc4-df4e51-1f212d-e9f1f1?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