Color
#10549d
#10549drgb(16, 84, 157)hsl(211, 82%, 34%)oklch(0.448 0.135 254.6)Colors that go with #10549d
Charcoal, Crimson and Amber 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 #10549d: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #10549d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #10549d in 5 real palettes, including Warner Bros.'s brand system and Wikipedia's brand system, as the accent.
Blue #0000ff
shipped5 real palettes, including CVS's brand system and Procter & Gamble's brand system put Blue beside #10549d, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #10549d: 4 real palettes, including Gopro's brand system and Blue Mono, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #10549d: 4 real palettes, including Campbell's's brand system and Nissan's brand system, as the supporting colour.
Midnight Blue #191970
shipped11 real palettes, including First Snow and FIFA's brand system put Midnight Blue beside #10549d, as that palette's text colour.
Orange Red #ff4500
shippedOrange Red is paired with #10549d in 5 real palettes, including Strava's brand system and Soundcloud's brand system, as the lead colour.
Real palettes that use #10549d
Tints & shades
Harmonies
Contrast
| #10549d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.56:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.78:1 | 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 #10549d as the background.
Brands using this color
Fonts for this mood
#10549d reads as cool, vivid, technical. 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 #10549d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/10549d-9cabc4-df534e-1f202d-e9f1f1?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