Color

#3d8a8a

#3d8a8a
hex#3d8a8a
rgbrgb(61, 138, 138)
hslhsl(180, 39%, 39%)
oklchoklch(0.586 0.075 195.3)
Closest name: Highlands (#449084)Relative luminance 0.21

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a3d3d

#3d8a63 · #3d638a

#8a3d8a · #8a8a3d

Split-complementary

Open in tool →

#8a3d63 · #8a633d

#633d8a · #8a3d3d · #638a3d

Contrast

#3d8a8a as textRatioAAAA largeAAAFix
Aaon white
4.04:1failpassfail
  • AA: use #388080 as the text (4.6:1)
  • AAA: use #2a6060 as the text (7.14:1)
  • AA: or shift the background to #141414 (4.56:1)
Aaon black
5.2:1passpassfail
  • AAA: use #48a3a3 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d8a8a 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

#3d8a8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d8a8a
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 #3d8a8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d8a8a-a2bbbe-d45994-1f272d-e9f1ed?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