Color

#51948e

#51948e
hex#51948e
rgbrgb(81, 148, 142)
hslhsl(175, 29%, 45%)
oklchoklch(0.62 0.069 188.1)
Closest name: Highlands (#449084)Relative luminance 0.2488

Tints & shades

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

Harmonies

Complementary

Open in tool →

#945157

#51946d · #517894

#8e5194 · #948e51

Split-complementary

Open in tool →

#945178 · #946d51

#6d5194 · #945157 · #789451

Contrast

#51948e as textRatioAAAA largeAAAFix
Aaon white
3.51:1failpassfail
  • AA: use #47807b as the text (4.52:1)
  • AAA: use #355f5c as the text (7.14:1)
  • AA: or shift the background to #212121 (4.58:1)
Aaon black
5.98:1passpassfail
  • AAA: use #5ba49e as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51948e 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 #51948e
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 #51948e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51948e-a2bdbe-d4599f-1f282d-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