Color

#28152d

#28152d
hex#28152d
rgbrgb(40, 21, 45)
hslhsl(288, 36%, 13%)
oklchoklch(0.234 0.052 319.1)
Closest name: Dark Prom Queen (#2b0f2e)Relative luminance 0.0118

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1a2d15

#1c152d · #2d1526

#2d2815 · #152d28

Split-complementary

Open in tool →

#262d15 · #152d1c

#2d1c15 · #1a2d15 · #15262d

Contrast

#28152d as textRatioAAAA largeAAAFix
Aaon white
17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #9f59b1 as the text (4.54:1)
  • AAA: use #b782c4 as the text (7:1)
  • AA: or shift the background to #858585 (4.61:1)
  • AAA: or shift the background to #a8a8a8 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28152d 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

#28152d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28152d
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 #28152d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28152d-be9fc1-aacb62-2d1f2a-ece9f1?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