Color
#1d75cd
#1d75cdrgb(29, 117, 205)hsl(210, 75%, 46%)oklch(0.56 0.157 253)Colors that go with #1d75cd
Charcoal, Crimson and Sienna 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 #1d75cd: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #1d75cd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #1d75cd 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 #1d75cd in 11 real palettes, including Walmart's brand system and Wired's brand system, as the accent.
Blue #0000ff
shipped15 real palettes, including Readymag's brand system and Pixar's brand system put Blue beside #1d75cd, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #1d75cd: 13 real palettes, including Intel's brand system and General Mills's brand system, as the lead colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #1d75cd: 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 #1d75cd: 8 real palettes, including Astro's brand system and Venmo's brand system, as the supporting colour.
Real palettes that use #1d75cd
Tints & shades
Harmonies
Contrast
| #1d75cd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.69:1 | pass | pass | fail |
|
Aaon black | 4.48:1 | 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 #1d75cd as the background.
Brands using this color
Fonts for this mood
#1d75cd 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 #1d75cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/1d75cd-9cabc4-df514e-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