Color

#283158

#283158
hex#283158
rgbrgb(40, 49, 88)
hslhsl(229, 38%, 25%)
oklchoklch(0.326 0.07 272.2)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0335

Tints & shades

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

Harmonies

Complementary

Open in tool →

#584f28

#284958 · #372858

#582830 · #305828

Split-complementary

Open in tool →

#583728 · #495828

#582849 · #584f28 · #285837

Contrast

#283158 as textRatioAAAA largeAAAFix
Aaon white
12.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #6171b8 as the text (4.56:1)
  • AAA: use #8793c9 as the text (7.05:1)
  • AA: or shift the background to #9c9c9c (4.58:1)
  • AAA: or shift the background to #c2c2c2 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #283158 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

#283158 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #283158
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 #283158 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/283158-9c9fc4-df7e4e-231f2d-e9eef1?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