Color
#306478
#306478rgb(48, 100, 120)hsl(197, 43%, 33%)oklch(0.476 0.064 225.7)Colors that go with #306478
Charcoal, Firebrick 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #306478: softer than #000 and cool enough to feel like part of the same palette.
Firebrick #b22222
split-complementshippedFirebrick is a split-complement of #306478: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Steel Blue #4682b4
analogousshippedSteel Blue is #306478's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #306478 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 #306478 in 5 real palettes, including McDonald's's brand system and Lemon Squeezy's brand system, as the lead colour.
Blue #0000ff
shipped8 real palettes, including Activision's brand system and Tesco's brand system put Blue beside #306478, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #306478: 4 real palettes, including Alpine and Open House, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #306478: 5 real palettes, including Fintech Trust and Ink & Paper, as the lead colour.
Real palettes that use #306478
Tints & shades
Harmonies
Contrast
| #306478 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.52:1 | pass | pass | fail |
|
Aaon black | 3.22:1 | 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 #306478 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
#306478 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 #306478 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/306478-9cb4c4-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