Color

#283e5c

#283e5c
hex#283e5c
rgbrgb(40, 62, 92)
hslhsl(215, 39%, 26%)
oklchoklch(0.36 0.059 256.4)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0467

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c4728

#28585c · #2d285c

#5c283e · #3e5c28

Split-complementary

Open in tool →

#5c2d28 · #585c28

#5c2858 · #5c4728 · #285c2d

Contrast

#283e5c as textRatioAAAA largeAAAFix
Aaon white
10.86:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #4e77b1 as the text (4.6:1)
  • AAA: use #7898c4 as the text (7.09:1)
  • AA: or shift the background to #a8a8a8 (4.57:1)
  • AAA: or shift the background to #d1d1d1 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #283e5c 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

#283e5c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #283e5c
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 #283e5c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/283e5c-9ca8c4-df5d4e-201f2d-e9f0f1?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