Campus
Open in tool →Institutional blue with a highlighter-amber accent — trustworthy for parents, lively enough for students.
Color
#232b39
#232b39
hex
#232b39rgb
rgb(35, 43, 57)hsl
hsl(218, 24%, 18%)oklch
oklch(0.288 0.028 261.5)Closest name: Haiti (#2c2a35)Relative luminance 0.0238
Colors that go with #232b39
Amber, Blue and Blue Violet 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.
Amber #ffbf00
shippedAmber is paired with #232b39 in 18 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour.
Blue #0000ff
shipped23 real palettes, including Readymag's brand system and Headspace's brand system put Blue beside #232b39, as the supporting colour.
Blue Violet #8a2be2
shippedBlue Violet is paired with #232b39 in 5 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Blush Pink #e8b4b8
shipped7 real palettes, including Rain Garden and Graphite Mono put Blush Pink beside #232b39, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #232b39 in 5 real palettes, including Coastal and Chalkboard, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #232b39: 10 real palettes, including Coastal and Open House, as the lead colour.
Champagne #f7e7ce
shipped8 real palettes, including Darkroom and Allbirds's brand system put Champagne beside #232b39, as the surface under it.
White Smoke #f5f5f5
neutralWhite Smoke is the near-white surface #232b39 was made for — maximum legibility with no colour cast to argue with.
Real palettes that use #232b39
Tints & shades
Harmonies
Contrast
| #232b39 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.23:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.48:1 | 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 #232b39 as the background.
Brands using this color
Palettes built around it
Open House
Open in tool →Steel blue for trust, warm gold for the sold moment — an approachable brokerage that still feels established.
Coastal
Open in tool →Sea-teal, sky and sand — bright without shouting; works for travel, wellness, and anything near water.
Beach Hut
Open in tool →Sea blue with sun-bleached yellow and a coral — striped-canvas summer, softened so it works on a screen.
Still Water
Open in tool →Dusty teal and mist with a sand accent — low chroma, low contrast between colours, high contrast for text: the recipe for calm.
Fonts for this mood
#232b39 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #232b39
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 #232b39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/232b39-9ca6c4-df644e-201f2d-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