Nearest named color: Yale Blue
#232E5F
#232E5F
Nearest named
Yale Blue
Family
Blue
Lightness
32.0%
Chroma
0.088
Hue angle
271.2°
Temperature
Cool
Contrast on white
12.90:1 · AAA
Contrast on black
1.44:1 · Fail
Web-safe
#333366
CSS oklch()
32% 0.09 271

#232E5F is a deep, cool violet. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.

Palettes built on #232E5F

Not just a swatch — here's how #232E5F works with other colors. Named schemes with #232E5F 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.

Nordic Calm Accent · 5 colors

Yale 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

Yale 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 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.

Build a working theme in the generator →

Color Lab

How #232E5F 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 30/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 29/100
Low
Firm and assertive — carries weight and contrast.
Depth 67/100
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 42/100
Moderate
A faint retro warmth without tipping into sepia.
Luxury 71/100
High
Restrained and premium — deep, quiet, high-end packaging and fashion.
Brand distinctiveness 34/100
Low
Recognisable but shares space with nearby hues.
UI accent fit 42/100
Moderate
Workable accent with care around contrast.
Surface fit 38/100
Low
Usable as a tinted surface in measured doses.
Print safety 85/100
Very high
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #232E5F

For UI
For branding
For interior
For fashion

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 12.9:1. Use
Subtle surface Use #CCD1E5 for cards and hover fills. Tint 80
Avoid beside #2B225D — 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 #232E5F at work across the surfaces designers actually ship.

Website / UI
Northwind Sign up
Build faster.
A working theme, generated in seconds.
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: #232E5F;
  --color-base-rgb: 35 46 95;
  --color-base-oklch: oklch(32.0% 0.088 271.2);
  --color-50: #F3F5FB;
  --color-100: #E1E4F5;
  --color-200: #C4CAE9;
  --color-300: #9AA5D5;
  --color-400: #7381BF;
  --color-500: #5261A3;
  --color-600: #444F7E;
  --color-700: #353C5A;
  --color-800: #25293C;
  --color-900: #181B25;
  --color-on-base: #FFFFFF;
}