Color

#123545

#123545
hex#123545
rgbrgb(18, 53, 69)
hslhsl(199, 59%, 17%)
oklchoklch(0.311 0.049 231.1)
Closest name: Blue Whale (#1e3442)Relative luminance 0.031

Tints & shades

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

Harmonies

Complementary

Open in tool →

#452212

#12453c · #121b45

#451235 · #354512

Split-complementary

Open in tool →

#45121b · #453c12

#3c1245 · #452212 · #1b4512

Contrast

#123545 as textRatioAAAA largeAAAFix
Aaon white
12.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #2a7ca2 as the text (4.5:1)
  • AAA: use #3c9fcd as the text (7.03:1)
  • AA: or shift the background to #999999 (4.55:1)
  • AAA: or shift the background to #bfbfbf (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #123545 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

#123545 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #123545
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 #123545 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/123545-9cb3c4-df4e66-1f232d-e9f1f0?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