# #175bd9

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

## Values

- Hex: `#175bd9`
- RGB: rgb(23, 91, 217)
- HSL: hsl(219, 81%, 47%)
- OKLCH: oklch(0.512 0.204 261.5)
- Relative luminance: 0.1267
- Nearest named color: Denim (#1560bd, Δ 4.619) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/175bd9

## Tints & shades

- Tints (toward white): #2167e8, #3977ea, #5087ed, #6796ef, #82a9f2, #99b9f4, #b1c9f7, #c8d9f9, #dfe9fc, #f6f9fe
- Shades (toward black): #1553c6, #1249af, #10429d, #0f3a8a, #0d3278, #0a2961, #08214e, #06193c, #040f25, #020812

## Harmonies

- Complementary: #d99517
- Analogous: #17bcd9, #3417d9
- Triadic: #d9175b, #5bd917
- Split-complementary: #d93417, #bcd917
- Tetradic: #d917bc, #d99517, #17d934

## Colors that go with #175bd9

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 #175bd9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com), HP (https://brandsweets.com/colors/brands/hp-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #175bd9 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Chase (https://brandsweets.com/colors/brands/chase-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #175bd9 in 8 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), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including Headspace's brand system and Pixar's brand system put Blue beside #175bd9, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #175bd9: 8 real palettes, including NBA's brand system and Gopro's brand system, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #175bd9: 7 real palettes, including Elastic's brand system and Venmo's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Venmo (https://brandsweets.com/colors/brands/venmo-com), Calm (https://brandsweets.com/colors/brands/calm-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #175bd9: 8 real palettes, including Coursera's brand system and HashiCorp's brand system, as the supporting colour. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Apple (https://brandsweets.com/colors/brands/apple-com), ASUS (https://brandsweets.com/colors/brands/asus-com). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #175bd9: 7 real palettes, including Nissan's brand system and Campbell's's brand system, as the supporting colour. Seen in: Nissan (https://brandsweets.com/colors/brands/nissanusa-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Bose (https://brandsweets.com/colors/brands/bose-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 5.94:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1451c2 (7.03:1)
- On black (#000000): 3.53:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2f70e9 (4.62:1); AA: background → #e0e0e0 (4.5:1); AAA: text → #6796ef (7.19:1)

## Brands using this color

- **Square** — secondary #005ad9 (Δ 0.808) — https://brandsweets.com/colors/brands/squareup-com
- **Philips** — secondary #0b5ed7 (Δ 0.812) — https://brandsweets.com/colors/brands/philips-com
- **YouTube** — accent #065fd4 (Δ 1.287) — https://brandsweets.com/colors/brands/youtube-com
- **ElevenLabs** — accent #0a59d2 (Δ 1.355) — https://brandsweets.com/colors/brands/elevenlabs-io
- **Box** — primary #0061d5 (Δ 1.605) — https://brandsweets.com/colors/brands/box-com
- **Box** — secondary #0061d5 (Δ 1.605) — https://brandsweets.com/colors/brands/box-com
- **1password** — accent #145fe4 (Δ 1.924) — https://brandsweets.com/colors/brands/1password-com
- **Strava** — accent #0060d0 (Δ 1.932) — https://brandsweets.com/colors/brands/strava-com
- **Coursera** — accent #0056d2 (Δ 1.951) — https://brandsweets.com/colors/brands/coursera-org

## 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/175bd9-9ca5c4-df664e-211f2d-e9f0f1?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: "#175bd9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.