Color

#10293d

#10293d
hex#10293d
rgbrgb(16, 41, 61)
hslhsl(207, 58%, 15%)
oklchoklch(0.272 0.049 245.1)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0203

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c2410

#103c3a · #10123c

#3c1028 · #283c10

Split-complementary

Open in tool →

#3c1012 · #3c3a10

#3a103c · #3c2410 · #123c10

Contrast

#10293d as textRatioAAAA largeAAAFix
Aaon white
14.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #3079b5 as the text (4.53:1)
  • AAA: use #5a9dd3 as the text (7.2:1)
  • AA: or shift the background to #8f8f8f (4.62:1)
  • AAA: or shift the background to #b3b3b3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10293d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#10293d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10293d
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 #10293d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10293d-9cadc4-df4e53-1f212d-e9f1f1?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