Studio Grey
Open in tool →A pure greyscale with a single electric blue — the portfolio palette that makes work look considered.
Color
#1f87ff
#1f87ff
hex
#1f87ffrgb
rgb(31, 135, 255)hsl
hsl(212, 100%, 56%)oklch
oklch(0.633 0.2 255.9)Closest name: dodgerblue (#1e90ff)Relative luminance 0.2484
Colors that go with #1f87ff
Deep Sky Blue, Dark Goldenrod and Medium Sea Green 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.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #1f87ff in 4 real palettes, including Blueprint and Remix's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Dark Goldenrod #b8860b
complementaryDark Goldenrod sits directly opposite #1f87ff on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #1f87ff in 3 real palettes, including Console Light and Telehealth, as the accent — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
triadicshippedCrimson completes a triad with #1f87ff — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Chocolate #d2691e
split-complementChocolate is a split-complement of #1f87ff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Olive Green #808000
split-complementOlive Green is a split-complement of #1f87ff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #1f87ff in two real palettes: Heatwave and Blueprint, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Charcoal #36454f
neutralCharcoal is the text near-black for #1f87ff: softer than #000 and cool enough to feel like part of the same palette.
Real palettes that use #1f87ff
Tints & shades
Harmonies
Contrast
| #1f87ff as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.52:1 | fail | pass | fail | |
Aaon black | 5.97:1 | pass | 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 #1f87ff as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#1f87ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #1f87ff
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #1f87ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/1f87ff-9caac4-df564e-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