What color is #346ACE?

#346ACE is a medium blue. In RGB it is rgb(52, 106, 206), and in HSL hsl(219, 61%, 51%).

Is #346ACE accessible as text?

On white, #346ACE has a contrast ratio of 5.12:1 (passes WCAG AA for body text); on black it is 4.10:1 (fails). For text placed on #346ACE, use white for the best readability.

What is the closest Tailwind color to #346ACE?

The nearest Tailwind CSS token is sky-700 (#0069A8).

What colors go well with #346ACE?

#346ACE pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CE9936. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #346ACE below.

Is #346ACE good for buttons?

#346ACE works well for buttons and highlights, but use white text on #346ACE — black text only reaches 4.10:1, below the 4.5:1 needed for normal-size labels.

Is #346ACE the same as CSS royalblue?

No — #346ACE is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#346ACE Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #346ACE

Not just a swatch — here's how #346ACE works with other colors. Named schemes with #346ACE in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #346ACE Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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

Tech Product Signal · 5 colors

Signal #346ACE Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #5E91ED

True 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 True Blue.

Vintage Leather Lead · 5 colors

Lead #346ACE Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

True 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.

Berry & Cream Lead · 5 colors

Lead #346ACE Surface #F6E5D8 Anchor #5A2144 Accent #E4C2CA Secondary #322B2F

True Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #346ACE Secondary #859ABE Support #9D8F88 Ink #18140F

True 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 True Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #346ACE 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 8/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 48/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 45/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 97/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 12/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #346ACE

For UI

For branding

For interior

For fashion

People also use #346ACE with

Lagoon Blue Han Purple Dijon Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 5.1:1. Use

Subtle surface Use #DBE3F1 for cards and hover fills. Tint 80

Avoid beside #3638CE — 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 #346ACE 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: #346ACE;
  --color-base-rgb: 52 106 206;
  --color-base-oklch: oklch(54.3% 0.165 261.4);
  --color-50: #F2F6FC;
  --color-100: #DDE7F8;
  --color-200: #BDCFEF;
  --color-300: #90ACDF;
  --color-400: #678ACB;
  --color-500: #456AB0;
  --color-600: #3B5687;
  --color-700: #2F4060;
  --color-800: #222C3F;
  --color-900: #161C27;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  true-blue: {
    50: '#F2F6FC',
    100: '#DDE7F8',
    200: '#BDCFEF',
    300: '#90ACDF',
    400: '#678ACB',
    500: '#456AB0',
    600: '#3B5687',
    700: '#2F4060',
    800: '#222C3F',
    900: '#161C27',
  },
}

$base: #346ACE;
$base-ink: #FFFFFF;
$base-50: #F2F6FC;
$base-100: #DDE7F8;
$base-200: #BDCFEF;
$base-300: #90ACDF;
$base-400: #678ACB;
$base-500: #456AB0;
$base-600: #3B5687;
$base-700: #2F4060;
$base-800: #222C3F;
$base-900: #161C27;
$base-hover: #2955A8;
$base-subtle: #C8D4EB;

{
    "color": {
        "base": {
            "value": "#346ACE",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F6FC",
                "type": "color"
            },
            "100": {
                "value": "#DDE7F8",
                "type": "color"
            },
            "200": {
                "value": "#BDCFEF",
                "type": "color"
            },
            "300": {
                "value": "#90ACDF",
                "type": "color"
            },
            "400": {
                "value": "#678ACB",
                "type": "color"
            },
            "500": {
                "value": "#456AB0",
                "type": "color"
            },
            "600": {
                "value": "#3B5687",
                "type": "color"
            },
            "700": {
                "value": "#2F4060",
                "type": "color"
            },
            "800": {
                "value": "#222C3F",
                "type": "color"
            },
            "900": {
                "value": "#161C27",
                "type": "color"
            }
        }
    }
}

Palettes built on #346ACE

Color Lab

Pairs with #346ACE

UI roles & guardrails

In real applications

Scales

Every model

Export