Color
#15577a
#15577argb(21, 87, 122)hsl(201, 71%, 28%)oklch(0.434 0.086 237.4)Colors that go with #15577a
Crimson, Royal Blue 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.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #15577a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Royal Blue #4169e1
analogousshippedRoyal Blue is #15577a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped7 real palettes, including CVS's brand system and Tesco's brand system put Blue beside #15577a, as the supporting colour.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #15577a: 4 real palettes, including Open House and Dusk, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #15577a: 4 real palettes, including Blizzard's brand system and Blue Mono, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #15577a: 16 real palettes, including Dutch Bros's brand system and HP's brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #15577a: 4 real palettes, including Fireside and Wendy's's brand system, as the lead colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #15577a: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #15577a
Tints & shades
Harmonies
Contrast
| #15577a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.85:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.68:1 | 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 #15577a 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
#15577a reads as cool, vivid, dark. 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 #15577a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/15577a-9cb1c4-df4e62-1f222d-e9f1f0?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