# #1855fb

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#1855fb`
- RGB: rgb(24, 85, 251)
- HSL: hsl(224, 97%, 54%)
- OKLCH: oklch(0.532 0.253 263.9)
- Relative luminance: 0.1366
- Nearest named color: Blue Ribbon (#0066ff, Δ 3.598) — https://brandsweets.com/colors/blue-ribbon
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1855fb

## Tints & shades

- Tints (toward white): #2c63fc, #4576fc, #5985fc, #7297fd, #86a6fd, #9bb5fd, #b4c7fe, #c8d6fe, #e1e9ff, #f5f8ff
- Shades (toward black): #0444f6, #033ddd, #0336c4, #032fab, #022892, #022179, #011b5f, #011446, #010d2d, #000614

## Harmonies

- Complementary: #fbbf18
- Analogous: #18c6fb, #4d18fb
- Triadic: #fb1855, #55fb18
- Split-complementary: #fb4d18, #c6fb18
- Tetradic: #fb18c6, #fbbf18, #18fb4d

## Colors that go with #1855fb

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #1855fb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Zoom (https://brandsweets.com/colors/brands/zoom-us), Docker (https://brandsweets.com/colors/brands/docker-com), Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #1855fb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Toyota (https://brandsweets.com/colors/brands/toyota-com), Chase (https://brandsweets.com/colors/brands/chase-com), WWE (https://brandsweets.com/colors/brands/wwe-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #1855fb in 6 real palettes, including Walmart's brand system and NBA's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Dropbox's brand system and Headspace's brand system put Blue beside #1855fb, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #1855fb: 13 real palettes, including Nokia's brand system and Nivea's brand system, as the lead colour. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Nivea (https://brandsweets.com/colors/brands/nivea-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #1855fb: 9 real palettes, including Roblox's brand system and Webflow's brand system, as the supporting colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), NBA (https://brandsweets.com/colors/brands/nba-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/cornflowerblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #1855fb: 9 real palettes, including OnePlus's brand system and Coursera's brand system, as the supporting colour. Seen in: OnePlus (https://brandsweets.com/colors/brands/oneplus-com), Coursera (https://brandsweets.com/colors/brands/coursera-org), ASUS (https://brandsweets.com/colors/brands/asus-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #1855fb: 5 real palettes, including Bose's brand system and Nissan's brand system, as the accent. Seen in: Bose (https://brandsweets.com/colors/brands/bose-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com). — https://brandsweets.com/colors/firebrick

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 5.63:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0442ec (7.01:1)
- On black (#000000): 3.73:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #366bfc (4.67:1); AA: background → #e6e6e6 (4.51:1); AAA: text → #6d94fd (7.3:1)

## Brands using this color

- **Framer** — primary #0055ff (Δ 0.908) — https://brandsweets.com/colors/brands/framer
- **Grafana Labs** — primary #1b55f5 (Δ 0.915) — https://brandsweets.com/colors/brands/grafana-com
- **Grafana Labs** — accent #1b55f5 (Δ 0.915) — https://brandsweets.com/colors/brands/grafana-com
- **Coinbase** — primary #0052ff (Δ 1.188) — https://brandsweets.com/colors/brands/coinbase
- **Nokia** — accent #005aff (Δ 1.23) — https://brandsweets.com/colors/brands/nokia-com
- **Bose** — secondary #005bff (Δ 1.386) — https://brandsweets.com/colors/brands/bose-com
- **Zoom** — primary #0b5cff (Δ 1.545) — https://brandsweets.com/colors/brands/zoom-us
- **Zoom** — secondary #0b5cff (Δ 1.545) — https://brandsweets.com/colors/brands/zoom-us
- **Spectrum** — accent #005eff (Δ 1.925) — https://brandsweets.com/colors/brands/spectrum-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/1855fb-9ca2c4-df724e-221f2d-e9eff1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#1855fb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.