Color

#cb450b

#cb450b
hex#cb450b
rgbrgb(203, 69, 11)
hslhsl(18, 90%, 42%)
oklchoklch(0.573 0.18 38.8)
Closest name: Bolognese (#bb4400)Relative luminance 0.1698

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b92cb

#cb0b31 · #cba50b

#0bcb45 · #450bcb

Split-complementary

Open in tool →

#0bcba5 · #0b31cb

#31cb0b · #0b92cb · #a50bcb

Contrast

#cb450b as textRatioAAAA largeAAAFix
Aaon white
4.78:1passpassfail
  • AAA: use #9b3408 as the text (7.27:1)
Aaon black
4.4:1failpassfail
  • AA: use #d0460b as the text (4.56:1)
  • AAA: use #f46d34 as the text (7.08:1)
  • AA: or shift the background to #fafafa (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb450b 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

#cb450b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb450b
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 #cb450b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb450b-c4ad9c-62cbb8-2d291f-f1e9eb?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