Campus
Open in tool →Institutional blue with a highlighter-amber accent — trustworthy for parents, lively enough for students.
Color
#1f2933
#1f2933
hex
#1f2933rgb
rgb(31, 41, 51)hsl
hsl(210, 24%, 16%)oklch
oklch(0.276 0.023 248.7)Closest name: Infinity (#222831)Relative luminance 0.0212
Colors that go with #1f2933
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 #1f2933 without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #1f2933 in 18 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour.
Blue #0000ff
shipped24 real palettes, including Readymag's brand system and Headspace's brand system put Blue beside #1f2933, as the supporting colour.
Blue Violet #8a2be2
shippedBlue Violet is paired with #1f2933 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 #1f2933, as the accent.
Brown #a52a2a
shipped4 real palettes, including Typewriter and Woodsmoke put Brown beside #1f2933, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #1f2933 in 5 real palettes, including Coastal and Chalkboard, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #1f2933: 10 real palettes, including Coastal and Dusk, as the lead colour.
Real palettes that use #1f2933
Tints & shades
Harmonies
Contrast
| #1f2933 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.76:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.42:1 | 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 #1f2933 as the background.
Brands using this color
- Charactersecondary · #1f2937 · Δ0.762
- dbt Labssecondary · #1e2939 · Δ1.138
- Operaaccent · #252836 · Δ1.24
- Nespressoprimary · #1f2533 · Δ1.414
- Vodafonetext · #25282b · Δ1.628
- American Eagleprimary · #24272a · Δ1.7
- American Eagletext · #24272a · Δ1.7
- Subarutext · #1d252c · Δ1.727
- Loomtext · #292a2e · Δ1.946
- 7-Elevenprimary · #212529 · Δ1.959
- 7-Eleventext · #212529 · Δ1.959
- AMDprimary · #212529 · Δ1.959
- AMDtext · #212529 · Δ1.959
- Boeingtext · #212529 · Δ1.959
- Calvin Kleinprimary · #212529 · Δ1.959
- Calvin Kleintext · #212529 · Δ1.959
- Datadogtext · #212529 · Δ1.959
- Tommy Hilfigerprimary · #212529 · Δ1.959
- Tommy Hilfigertext · #212529 · Δ1.959
- Trader Joe'sprimary · #212529 · Δ1.959
- Trader Joe'stext · #212529 · Δ1.959
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.
Fonts for this mood
#1f2933 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #1f2933
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 #1f2933 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/1f2933-9cabc4-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