Color

#3a698d

#3a698d
hex#3a698d
rgbrgb(58, 105, 141)
hslhsl(206, 42%, 39%)
oklchoklch(0.503 0.077 243.3)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1293

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d5e3a

#3a8d88 · #3a3f8d

#8d3a69 · #698d3a

Split-complementary

Open in tool →

#8d3a3f · #8d883a

#883a8d · #8d5e3a · #3f8d3a

Contrast

#3a698d as textRatioAAAA largeAAAFix
Aaon white
5.86:1passpassfail
  • AAA: use #325c7b as the text (7.11:1)
Aaon black
3.59:1failpassfail
  • AA: use #4379a3 as the text (4.5:1)
  • AAA: use #6b9cc2 as the text (7.16:1)
  • AA: or shift the background to #e3e3e3 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a698d 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

#3a698d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a698d
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 #3a698d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a698d-9caec4-df4e56-1f212d-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