Color

#1c5259

#1c5259
hex#1c5259
rgbrgb(28, 82, 89)
hslhsl(187, 52%, 23%)
oklchoklch(0.406 0.057 207.1)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.07

Tints & shades

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

Harmonies

Complementary

Open in tool →

#59231c

#1c5942 · #1c3459

#591c52 · #52591c

Split-complementary

Open in tool →

#591c34 · #59421c

#421c59 · #59231c · #34591c

Contrast

#1c5259 as textRatioAAAA largeAAAFix
Aaon white
8.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #2c808c as the text (4.57:1)
  • AAA: use #38a4b2 as the text (7.12:1)
  • AA: or shift the background to #bababa (4.51:1)
  • AAA: or shift the background to #e6e6e6 (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 #1c5259 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

#1c5259 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c5259
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 #1c5259 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c5259-a2b8be-df4e83-1f262d-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