Color
#42758a
#42758argb(66, 117, 138)hsl(197, 35%, 40%)oklch(0.535 0.064 226.6)Colors that go with #42758a
Charcoal, Rust and Sienna 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #42758a: softer than #000 and cool enough to feel like part of the same palette.
Rust #b7410e
split-complementshippedRust is a split-complement of #42758a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #42758a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #42758a in 5 real palettes, including Beach Hut and Lemon Squeezy's brand system, as the supporting colour.
Champagne #f7e7ce
shipped5 real palettes, including Forest Floor and Darkroom put Champagne beside #42758a, as that palette's text colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #42758a: 6 real palettes, including Fintech Trust and Ink & Paper, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #42758a: 6 real palettes, including Riverbed and Dusk, as the accent.
Crimson #dc143c
shippedCrimson is paired with #42758a in 15 real palettes, including Retro Pop and Redfin's brand system, as the lead colour.
Real palettes that use #42758a
Tints & shades
Harmonies
Contrast
| #42758a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.07:1 | pass | pass | fail |
|
Aaon black | 4.14:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42758a 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
#42758a reads as cool, modern. The font library is tagged with the same vocabulary:
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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #42758a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/42758a-9cb4c4-df4e6b-1f232d-e9f1ef?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md