brandsweets

Color

#3d808a

#3d808a
hex#3d808a
rgbrgb(61, 128, 138)
hslhsl(188, 39%, 39%)
oklchoklch(0.56 0.069 208.3)
Closest name: Bermuda (#1b7d8d)Relative luminance 0.1827
CoolModern
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
3d808a8a473d

#8a473d

Analogous

Open in tool →
3d808a3d8a6e3d598a

#3d8a6e · #3d598a

Triadic

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3d808a8a3d80808a3d

#8a3d80 · #808a3d

Split-complementary

Open in tool →
3d808a8a3d598a6e3d

#8a3d59 · #8a6e3d

Tetradic

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3d808a6e3d8a8a473d598a3d

#6e3d8a · #8a473d · #598a3d

Contrast

#3d808a as textRatioAAAA largeAAAFix
Aaon white
4.51:1passpassfail
  • AAA: use #2d5f67 as the text (7.13:1)
Aaon black
4.65:1passpassfail
  • AAA: use #4ca1ae as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d808a as the background.

Brands using this color

Fonts for this mood

#3d808a reads as cool, modern. The font library is tagged with the same vocabulary:

Modern fonts →
mcpConnect your agent — build around #3d808a
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 #3d808a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d808a-a2b7be-df4e81-1f252d-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