What color is #1E233E?

#1E233E is a dark blue-violet. In RGB it is rgb(30, 35, 62), and in HSL hsl(231, 35%, 18%).

Is #1E233E accessible as text?

On white, #1E233E has a contrast ratio of 15.38:1 (passes WCAG AA for body text); on black it is 1.37:1 (fails). For text placed on #1E233E, use white for the best readability.

What is the closest Tailwind color to #1E233E?

The nearest Tailwind CSS token is mauve-800 (#2A212C).

What colors go well with #1E233E?

#1E233E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3E391E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1E233E below.

Is #1E233E good for buttons?

#1E233E works well for buttons and highlights, but use white text on #1E233E — black text only reaches 1.37:1, below the 4.5:1 needed for normal-size labels.

Is #1E233E the same as CSS midnightblue?

No — #1E233E is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#1E233E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1E233E

Not just a swatch — here's how #1E233E works with other colors. Named schemes with #1E233E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #1E233E Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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

Accent #1E233E Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

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

Signal #1E233E Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #3C425D

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

Lead #1E233E Secondary #7F4535 Surface #EED7C2 Accent #365247 Anchor #582239

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

Surface #F8F4EF Accent #1E233E Secondary #464953 Support #9D9088 Ink #18140F

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.

Build a working theme in the generator →

Color Lab

How #1E233E 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 39/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 70/100

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 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 72/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 20/100

Very low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 22/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 52/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1E233E

For UI

For branding

For interior

For fashion

People also use #1E233E with

Dark Slate Gray Russian Violet Espresso Gainsboro Prussian Blue

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 15.4:1. Use

Subtle surface Use #CBCEE0 for cards and hover fills. Tint 80

Avoid beside #241E3E — 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 #1E233E 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

Every model

Export

:root {
  --color-base: #1E233E;
  --color-base-rgb: 30 35 62;
  --color-base-oklch: oklch(26.6% 0.051 274.5);
  --color-50: #F4F5FA;
  --color-100: #E3E5F2;
  --color-200: #C8CCE4;
  --color-300: #A1A8CE;
  --color-400: #7C85B6;
  --color-500: #5C6599;
  --color-600: #4B5277;
  --color-700: #393E56;
  --color-800: #282B39;
  --color-900: #1A1B23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F4F5FA',
    100: '#E3E5F2',
    200: '#C8CCE4',
    300: '#A1A8CE',
    400: '#7C85B6',
    500: '#5C6599',
    600: '#4B5277',
    700: '#393E56',
    800: '#282B39',
    900: '#1A1B23',
  },
}

$base: #1E233E;
$base-ink: #FFFFFF;
$base-50: #F4F5FA;
$base-100: #E3E5F2;
$base-200: #C8CCE4;
$base-300: #A1A8CE;
$base-400: #7C85B6;
$base-500: #5C6599;
$base-600: #4B5277;
$base-700: #393E56;
$base-800: #282B39;
$base-900: #1A1B23;
$base-hover: #181C32;
$base-subtle: #B0B5D1;

{
    "color": {
        "base": {
            "value": "#1E233E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F5FA",
                "type": "color"
            },
            "100": {
                "value": "#E3E5F2",
                "type": "color"
            },
            "200": {
                "value": "#C8CCE4",
                "type": "color"
            },
            "300": {
                "value": "#A1A8CE",
                "type": "color"
            },
            "400": {
                "value": "#7C85B6",
                "type": "color"
            },
            "500": {
                "value": "#5C6599",
                "type": "color"
            },
            "600": {
                "value": "#4B5277",
                "type": "color"
            },
            "700": {
                "value": "#393E56",
                "type": "color"
            },
            "800": {
                "value": "#282B39",
                "type": "color"
            },
            "900": {
                "value": "#1A1B23",
                "type": "color"
            }
        }
    }
}