Campus
Open in tool →Institutional blue with a highlighter-amber accent — trustworthy for parents, lively enough for students.
Color
#212736
#212736
hex
#212736rgb
rgb(33, 39, 54)hsl
hsl(223, 24%, 17%)oklch
oklch(0.274 0.029 267.6)Closest name: Midnight Express (#21263a)Relative luminance 0.0204
Colors that go with #212736
Charcoal, Amber and 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 that reads cleanly against #212736 without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #212736 in 18 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour.
Blue #0000ff
shipped24 real palettes, including Monzo's brand system and Readymag's brand system put Blue beside #212736, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #212736 in 9 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Blush Pink #e8b4b8
shipped7 real palettes, including Graphite Mono and Rain Garden put Blush Pink beside #212736, as the accent.
Brown #a52a2a
shipped5 real palettes, including Typewriter and Woodsmoke put Brown beside #212736, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #212736 in 6 real palettes, including Coastal and Chalkboard, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #212736: 10 real palettes, including Dusk and Coastal, as the supporting colour.
Real palettes that use #212736
Tints & shades
Harmonies
Contrast
| #212736 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.91:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.41:1 | 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 #212736 as the background.
Brands using this color
Palettes built around it
Coastal
Open in tool →Sea-teal, sky and sand — bright without shouting; works for travel, wellness, and anything near water.
Dusk
Open in tool →Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.
Beach Hut
Open in tool →Sea blue with sun-bleached yellow and a coral — striped-canvas summer, softened so it works on a screen.
Tide Pool
Open in tool →Sea-green and slate with a coral — a literal tide pool: two cool tones, one warm creature.
Fonts for this mood
#212736 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #212736
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 #212736 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/212736-9ca3c4-df704e-211f2d-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