Color
#28528f
#28528frgb(40, 82, 143)hsl(216, 56%, 36%)oklch(0.441 0.111 257.9)Colors that go with #28528f
Charcoal, Sea Green and 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 #28528f: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #28528f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Blue #0000ff
shipped5 real palettes, including CVS's brand system and Procter & Gamble's brand system put Blue beside #28528f, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #28528f in 10 real palettes, including Amazon's brand system and Target : Expect More. Pay Less.'s brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #28528f: 5 real palettes, including Campbell's's brand system and AT&T's brand system, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #28528f in 4 real palettes, including Open House and Sapphire & Gold, as the accent.
Midnight Blue #191970
shipped12 real palettes, including First Snow and FIFA's brand system put Midnight Blue beside #28528f, as that palette's text colour.
Orange Red #ff4500
shippedOrange Red is paired with #28528f in 5 real palettes, including Tumblr's brand system and Tide's brand system, as the accent.
Real palettes that use #28528f
Tints & shades
Harmonies
Contrast
| #28528f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.8:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.69:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28528f 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
#28528f 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 #28528f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/28528f-9ca7c4-df5f4e-201f2d-e9f0f1?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