Campus
Open in tool →Institutional blue with a highlighter-amber accent — trustworthy for parents, lively enough for students.
Color
#234cd1
#234cd1
hex
#234cd1rgb
rgb(35, 76, 209)hsl
hsl(226, 71%, 48%)oklch
oklch(0.48 0.209 265.4)Closest name: Denim (#1560bd)Relative luminance 0.1013
Colors that go with #234cd1
Charcoal, Sea Green and Steel 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #234cd1: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #234cd1 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Steel Blue #4682b4
analogousshippedSteel Blue is #234cd1's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber #ffbf00
shippedAmber is paired with #234cd1 in 6 real palettes, including Walmart's brand system and Warner Bros.'s brand system, as the accent.
Blue #0000ff
shipped10 real palettes, including Zillow's brand system and Headspace's brand system put Blue beside #234cd1, as the lead colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #234cd1: 9 real palettes, including Gopro's brand system and Blue Mono, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #234cd1 in 17 real palettes, including Behance's brand system and Chase's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #234cd1: 6 real palettes, including Warp's brand system and Kraken's brand system, as the lead colour.
Real palettes that use #234cd1
Tints & shades
Harmonies
Contrast
| #234cd1 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.94:1 | pass | pass | fail |
|
Aaon black | 3.03:1 | 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 #234cd1 as the background.
Brands using this color
Palettes built around it
Peacock
Open in tool →Teal, cobalt and magenta at full chroma on white — jewel tones in daylight; the trick is a near-black text with a blue cast.
Fonts for this mood
#234cd1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #234cd1
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 #234cd1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/234cd1-9ca1c4-df774e-221f2d-e9eff1?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