Nearest named color: Yale Blue
#13406E
#13406E
Nearest named
Yale Blue
Family
Blue
Lightness
36.7%
Chroma
0.093
Hue angle
252.3°
Temperature
Cool
Contrast on white
10.57:1 · AAA
Contrast on black
1.76:1 · Fail
Web-safe
#003366
CSS oklch()
37% 0.09 252

#13406E is a deep, cool indigo. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.

Palettes built on #13406E

Not just a swatch — here's how #13406E works with other colors. Named schemes with #13406E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

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

Luxury Packaging Feature · 5 colors

Yale Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Yale Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Yale Blue.

Vintage Leather Lead · 5 colors

Yale 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

Yale 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 Yale Blue carrying the quiet middle.

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Color Lab

How #13406E 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 24/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 33/100
Low
Middle-weight — neither delicate nor heavy.
Depth 63/100
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 44/100
Moderate
A faint retro warmth without tipping into sepia.
Luxury 68/100
High
Restrained and premium — deep, quiet, high-end packaging and fashion.
Brand distinctiveness 36/100
Low
Recognisable but shares space with nearby hues.
UI accent fit 58/100
Moderate
Workable accent with care around contrast.
Surface fit 33/100
Low
Usable as a tinted surface in measured doses.
Print safety 80/100
Very high
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #13406E

For UI
For branding
For interior
For fashion
People also use #13406E 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 10.6:1. Use
Subtle surface Use #C5D9EC for cards and hover fills. Tint 80
Avoid beside #12226D — 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 #13406E 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: #13406E;
  --color-base-rgb: 19 64 110;
  --color-base-oklch: oklch(36.7% 0.093 252.3);
  --color-50: #F1F7FD;
  --color-100: #DBEBFA;
  --color-200: #B9D6F3;
  --color-300: #8AB8E5;
  --color-400: #5E99D4;
  --color-500: #3C7AB9;
  --color-600: #35618D;
  --color-700: #2B4764;
  --color-800: #1F3042;
  --color-900: #151F28;
  --color-on-base: #FFFFFF;
}