Color

#3d8aae

#3d8aae
hex#3d8aae
rgbrgb(61, 138, 174)
hslhsl(199, 48%, 46%)
oklchoklch(0.6 0.093 231.5)
Closest name: steelblue (#4682b4)Relative luminance 0.2223

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae613d

#3dae99 · #3d52ae

#ae3d8a · #8aae3d

Split-complementary

Open in tool →

#ae3d52 · #ae993d

#993dae · #ae613d · #52ae3d

Contrast

#3d8aae as textRatioAAAA largeAAAFix
Aaon white
3.86:1failpassfail
  • AA: use #387e9f as the text (4.51:1)
  • AAA: use #295d75 as the text (7.2:1)
  • AA: or shift the background to #1a1a1a (4.51:1)
Aaon black
5.45:1passpassfail
  • AAA: use #519ec2 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 #3d8aae 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

#3d8aae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d8aae
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 #3d8aae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d8aae-9cb3c4-df4e66-1f232d-e9f1f0?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