Color

#187381

#187381
hex#187381
rgbrgb(24, 115, 129)
hslhsl(188, 69%, 30%)
oklchoklch(0.512 0.082 210.6)
Closest name: Blue Fjord (#007290)Relative luminance 0.1404

Tints & shades

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

Harmonies

Complementary

Open in tool →

#812618

#18815b · #183e81

#811873 · #738118

Split-complementary

Open in tool →

#81183e · #815b18

#5b1881 · #812618 · #3e8118

Contrast

#187381 as textRatioAAAA largeAAAFix
Aaon white
5.51:1passpassfail
  • AAA: use #14606c as the text (7.19:1)
Aaon black
3.81:1failpassfail
  • AA: use #1b8393 as the text (4.71:1)
  • AAA: use #22a5b9 as the text (7.15:1)
  • AA: or shift the background to #e8e8e8 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #187381 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

#187381 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187381
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 #187381 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187381-a2b7be-df4e81-1f252d-e9f1ee?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