Color

#3a5083

#3a5083
hex#3a5083
rgbrgb(58, 80, 131)
hslhsl(222, 39%, 37%)
oklchoklch(0.438 0.089 265.3)
Closest name: Assassin (#2d4f83)Relative luminance 0.0828

Tints & shades

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

Harmonies

Complementary

Open in tool →

#836d3a

#3a7483 · #483a83

#833a50 · #50833a

Split-complementary

Open in tool →

#83483a · #74833a

#833a74 · #836d3a · #3a8348

Contrast

#3a5083 as textRatioAAAA largeAAAFix
Aaon white
7.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.66:1failfailfail
  • AA: use #5874b6 as the text (4.59:1)
  • AAA: use #7f95c7 as the text (7.03:1)
  • AA: or shift the background to #c4c4c4 (4.53:1)
  • AAA: or shift the background to #f2f2f2 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a5083 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

#3a5083 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a5083
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 #3a5083 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a5083-9ca3c4-df6e4e-211f2d-e9eff1?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