Color

#154151

#154151
hex#154151
rgbrgb(21, 65, 81)
hslhsl(196, 59%, 20%)
oklchoklch(0.353 0.055 225.8)
Closest name: Cold and Dark (#154250)Relative luminance 0.0453

Tints & shades

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

Harmonies

Complementary

Open in tool →

#512515

#155143 · #152351

#511541 · #415115

Split-complementary

Open in tool →

#511523 · #514315

#431551 · #512515 · #235115

Contrast

#154151 as textRatioAAAA largeAAAFix
Aaon white
11.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #297f9e as the text (4.62:1)
  • AAA: use #34a3cb as the text (7.25:1)
  • AA: or shift the background to #a6a6a6 (4.52:1)
  • AAA: or shift the background to #cfcfcf (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #154151 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

#154151 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #154151
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 #154151 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/154151-9cb5c4-df4e6e-1f232d-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