Color

#4e838d

#4e838d
hex#4e838d
rgbrgb(78, 131, 141)
hslhsl(190, 29%, 43%)
oklchoklch(0.577 0.058 210.9)
Closest name: Arctic (#648589)Relative luminance 0.1978

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d584e

#4e8d78 · #4e638d

#8d4e83 · #838d4e

Split-complementary

Open in tool →

#8d4e63 · #8d784e

#784e8d · #8d584e · #638d4e

Contrast

#4e838d as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #4a7d87 as the text (4.59:1)
  • AAA: use #385e66 as the text (7.09:1)
  • AA: or shift the background to #0f0f0f (4.52:1)
Aaon black
4.96:1passpassfail
  • AAA: use #649eaa as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e838d as the background.

Brands using this color

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

mcpConnect your agent — build around #4e838d
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 #4e838d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e838d-a2b6be-df4e7c-1f252d-e9f1ef?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