Color

#3a747e

#3a747e
hex#3a747e
rgbrgb(58, 116, 126)
hslhsl(189, 37%, 36%)
oklchoklch(0.524 0.062 210.1)
Closest name: Calypso (#3d7188)Relative luminance 0.149

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7e443a

#3a7e66 · #3a527e

#7e3a74 · #747e3a

Split-complementary

Open in tool →

#7e3a52 · #7e663a

#663a7e · #7e443a · #527e3a

Contrast

#3a747e as textRatioAAAA largeAAAFix
Aaon white
5.28:1passpassfail
  • AAA: use #2f5d65 as the text (7.31:1)
Aaon black
3.98:1failpassfail
  • AA: use #3f7d88 as the text (4.5:1)
  • AAA: use #50a1af as the text (7.06:1)
  • AA: or shift the background to #ededed (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 #3a747e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3a747e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a747e
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 #3a747e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a747e-a2b7be-df4e7e-1f252d-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