Color

#286d7b

#286d7b
hex#286d7b
rgbrgb(40, 109, 123)
hslhsl(190, 51%, 32%)
oklchoklch(0.498 0.071 213.5)
Closest name: Astral (#376f89)Relative luminance 0.1282

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7b3628

#287b5f · #28447b

#7b286d · #6d7b28

Split-complementary

Open in tool →

#7b2844 · #7b5f28

#5f287b · #7b3628 · #447b28

Contrast

#286d7b as textRatioAAAA largeAAAFix
Aaon white
5.89:1passpassfail
  • AAA: use #23606c as the text (7.09:1)
Aaon black
3.56:1failpassfail
  • AA: use #2f8292 as the text (4.73:1)
  • AAA: use #3ca4b9 as the text (7.2:1)
  • AA: or shift the background to #e3e3e3 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #286d7b 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

#286d7b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #286d7b
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 #286d7b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/286d7b-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