Color
#166cd4
#166cd4rgb(22, 108, 212)hsl(213, 81%, 46%)oklch(0.543 0.178 256.8)Colors that go with #166cd4
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 #166cd4: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #166cd4 — 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 #166cd4 in 9 real palettes, including NBA's brand system and Walmart's brand system, as the lead colour.
Blue #0000ff
shipped14 real palettes, including BBC's brand system and Pixar's brand system put Blue beside #166cd4, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #166cd4: 10 real palettes, including Carrefour's brand system and Intel's brand system, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #166cd4: 6 real palettes, including NBA's brand system and Coca-Cola's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #166cd4: 5 real palettes, including Astro's brand system and Deep Water, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #166cd4: 6 real palettes, including HashiCorp's brand system and Apple's brand system, as the supporting colour.
Real palettes that use #166cd4
Tints & shades
Harmonies
Contrast
| #166cd4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.08:1 | pass | pass | fail |
|
Aaon black | 4.13:1 | 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 #166cd4 as the background.
Brands using this color
- Foot Lockeraccent · #036ad8 · Δ1.016
- Khan Academyaccent · #0069d6 · Δ1.128
- American Expressaccent · #006fcf · Δ1.242
- Fitbitsecondary · #1967d2 · Δ1.292
- NBAsecondary · #0268d6 · Δ1.331
- GitHubaccent · #0969da · Δ1.342
- Loomprimary · #1868db · Δ1.545
- Loomsecondary · #1868db · Δ1.545
- Walmartsecondary · #0071dc · Δ1.662
Fonts for this mood
#166cd4 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 #166cd4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/166cd4-9ca9c4-df584e-1f202d-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