Color

#123045

#123045
hex#123045
rgbrgb(18, 48, 69)
hslhsl(205, 59%, 17%)
oklchoklch(0.297 0.052 242)
Closest name: Nordic Noir (#003344)Relative luminance 0.0267

Tints & shades

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

Harmonies

Complementary

Open in tool →

#452712

#124541 · #121645

#451230 · #304512

Split-complementary

Open in tool →

#451216 · #454112

#411245 · #452712 · #164512

Contrast

#123045 as textRatioAAAA largeAAAFix
Aaon white
13.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #2e7bb2 as the text (4.59:1)
  • AAA: use #519cd2 as the text (7.04:1)
  • AA: or shift the background to #949494 (4.51:1)
  • AAA: or shift the background to #bababa (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 #123045 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

#123045 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #123045
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 #123045 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/123045-9cafc4-df4e58-1f212d-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