# #175ea1

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

## Values

- Hex: `#175ea1`
- RGB: rgb(23, 94, 161)
- HSL: hsl(209, 75%, 36%)
- OKLCH: oklch(0.476 0.127 251.7)
- Relative luminance: 0.1076
- Nearest named color: Blue Chip (#1d5699, Δ 2.413) — https://brandsweets.com/colors/blue-chip
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/175ea1

## Tints & shades

- Tints (toward white): #1b6ebb, #1f7dd6, #368fe2, #519ee6, #6cadea, #87bcee, #a1cbf2, #c1dcf6, #dbebfa, #f6fafe
- Shades (toward black): #155693, #134e86, #114474, #0f3c67, #0d3459, #0b2c4c, #09253e, #061a2d, #04121f, #030a12

## Harmonies

- Complementary: #a15a17
- Analogous: #17a19e, #1719a1
- Triadic: #a1175e, #5ea117
- Split-complementary: #a11719, #a19e17
- Tetradic: #9e17a1, #a15a17, #19a117

## Colors that go with #175ea1

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 #175ea1: softer than #000 and cool enough to feel like part of the same palette. Seen in: Amazon (https://brandsweets.com/colors/brands/amazon-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #175ea1 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Costco (https://brandsweets.com/colors/brands/costco-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #175ea1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dyson (https://brandsweets.com/colors/brands/dyson-com). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with #175ea1 in 8 real palettes, including McDonald's's brand system and Warner Bros.'s brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Activision's brand system and Tesco's brand system put Blue beside #175ea1, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Pixar (https://brandsweets.com/colors/brands/pixar-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #175ea1: 4 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/cornflowerblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #175ea1: 5 real palettes, including Venmo's brand system and Apple's brand system, as the lead colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Apple (https://brandsweets.com/colors/brands/apple-com), Coursera (https://brandsweets.com/colors/brands/coursera-org), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #175ea1: 6 real palettes, including Campbell's's brand system and AT&T's brand system, as the supporting colour. Seen in: Campbell's (https://brandsweets.com/colors/brands/campbells-com), AT&T (https://brandsweets.com/colors/brands/att-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 6.66:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #165998 (7.2:1)
- On black (#000000): 3.15:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1d78cd (4.62:1); AA: background → #d6d6d6 (4.58:1); AAA: text → #4c9ce6 (7.21:1)

## Brands using this color

- **Ikea** — accent #045ca4 (Δ 1.092) — https://brandsweets.com/colors/brands/ikea-com
- **Amazon** — accent #2162a1 (Δ 1.397) — https://brandsweets.com/colors/brands/amazon-com
- **Costco** — secondary #005daa (Δ 1.662) — https://brandsweets.com/colors/brands/costco-com
- **Slack** — primary #1264a3 (Δ 1.686) — https://brandsweets.com/colors/brands/slack-com
- **Slack** — accent #1264a3 (Δ 1.686) — https://brandsweets.com/colors/brands/slack-com
- **Dutch Bros** — accent #005f98 (Δ 1.775) — https://brandsweets.com/colors/brands/dutchbros-com
- **Costco** — accent #005dab (Δ 1.801) — https://brandsweets.com/colors/brands/costco-com
- **Dutch Bros** — secondary #006098 (Δ 1.858) — https://brandsweets.com/colors/brands/dutchbros-com
- **Dairy Queen** — secondary #005baa (Δ 1.966) — https://brandsweets.com/colors/brands/dairyqueen-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/175ea1-9cacc4-df4e4e-1f212d-e9f1f1?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: "#175ea1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.