Nearest named color: Prussian Blue
#1A324C
#1A324C
Nearest named
Prussian Blue
Family
Blue
Lightness
31.1%
Chroma
0.056
Hue angle
251.8°
Temperature
Cool
Contrast on white
13.09:1 · AAA
Contrast on black
1.42:1 · Fail
Web-safe
#333333
CSS oklch()
31% 0.06 252

#1A324C is a deep, cool indigo. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.

Palettes built on #1A324C

Not just a swatch — here's how #1A324C works with other colors. Named schemes with #1A324C in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Prussian Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Prussian Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Prussian Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Prussian Blue.

Vintage Leather Lead · 5 colors

Prussian Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Minimal Editorial Surface · 5 colors

Prussian Blue is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Prussian Blue carrying the quiet middle.

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Color Lab

How #1A324C actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 35/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 31/100
Low
Firm and assertive — carries weight and contrast.
Depth 66/100
High
Deep and grounding — anchors a layout, strong dark-mode base.
Naturalness 0/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 32/100
Low
A faint retro warmth without tipping into sepia.
Luxury 69/100
High
Restrained and premium — deep, quiet, high-end packaging and fashion.
Brand distinctiveness 22/100
Low
Quiet and neutral — a supporting tone, not a signature.
UI accent fit 33/100
Low
Workable accent with care around contrast.
Surface fit 48/100
Moderate
Usable as a tinted surface in measured doses.
Print safety 88/100
Very high
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1A324C

For UI
For branding
For interior
For fashion
People also use #1A324C with

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA
Body text Passes on white at 16px and above. Pass
Large display Fine for headings 24px+ on white. Pass
Background Pair with white text at 13.1:1. Use
Subtle surface Use #C8D6E5 for cards and hover fills. Tint 80
Avoid beside #1A224C — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #1A324C at work across the surfaces designers actually ship.

Website / UI
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Dashboard
Revenue
$48.2k ▲ 12%
Brand
AVELINE
Studio
Poster
Nov 14 · 8PM
NIGHT
MARKET
Packaging
BLOOM
Botanical Wash
250 ml
Interior

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #1A324C;
  --color-base-rgb: 26 50 76;
  --color-base-oklch: oklch(31.1% 0.056 251.8);
  --color-50: #F3F7FB;
  --color-100: #E0EAF5;
  --color-200: #C2D6EA;
  --color-300: #98B7D7;
  --color-400: #7098C2;
  --color-500: #4F79A6;
  --color-600: #42607F;
  --color-700: #34475B;
  --color-800: #25303C;
  --color-900: #181E25;
  --color-on-base: #FFFFFF;
}