Color

#cb603a

#cb603a
hex#cb603a
rgbrgb(203, 96, 58)
hslhsl(16, 58%, 51%)
oklchoklch(0.613 0.146 39.6)
Closest name: Boho Copper (#b96033)Relative luminance 0.2137

Colors that go with #cb603a

Charcoal, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #cb603a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3aa4cb

#cb3a5b · #cba93a

#3acb60 · #603acb

Split-complementary

Open in tool →

#3acba9 · #3a5bcb

#5bcb3a · #3aa4cb · #a93acb

Contrast

#cb603a as textRatioAAAA largeAAAFix
Aaon white
3.98:1failpassfail
  • AA: use #bd5732 as the text (4.59:1)
  • AAA: use #8d4125 as the text (7.2:1)
  • AA: or shift the background to #171717 (4.5:1)
Aaon black
5.27:1passpassfail
  • AAA: use #d58162 as the text (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 #cb603a 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

#cb603a reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb603a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #cb603a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb603a-c4ab9c-62cbb4-2d291f-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