What color is #356EFC?

#356EFC is a medium, vivid blue. In RGB it is rgb(53, 110, 252), and in HSL hsl(223, 97%, 60%).

Is #356EFC accessible as text?

On white, #356EFC has a contrast ratio of 4.39:1 (fails WCAG AA for body text); on black it is 4.79:1 (passes). For text placed on #356EFC, use black for the best readability.

What is the closest Tailwind color to #356EFC?

The nearest Tailwind CSS token is blue-500 (#2B7FFF).

What colors go well with #356EFC?

#356EFC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #FCC436. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #356EFC below.

Is #356EFC good for buttons?

#356EFC works well for buttons and highlights, but use black text on #356EFC — white text only reaches 4.39:1, below the 4.5:1 needed for normal-size labels.

Is #356EFC the same as CSS royalblue?

No — #356EFC is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#356EFC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #356EFC

Not just a swatch — here's how #356EFC works with other colors. Named schemes with #356EFC in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #356EFC Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #5F98FF

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

Coastal Morning Lead · 5 colors

Lead #356EFC Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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

Berry & Cream Lead · 5 colors

Lead #356EFC Surface #F6E5D8 Anchor #5B2144 Accent #E5C2CA Secondary #322B2F

Azure 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 #356EFC Secondary #8EA6D8 Support #9D8F88 Ink #18140F

Azure 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 Azure carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #356EFC Secondary #E76A75 Accent #F79251 Anchor #573B58 Surface #F7E7D7

Azure glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Build a working theme in the generator →

Color Lab

How #356EFC 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 9/100

Cool

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 45/100

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 17/100

Very low

Clean and current — no dusty, aged cast.

Luxury 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 85/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 73/100

High

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

Surface fit 16/100

Very low

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

Print safety 59/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #356EFC

For UI

For branding

For interior

For fashion

People also use #356EFC with

Bright Sky Violet Honey Gainsboro Charcoal

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 4.4:1. Use

Subtle surface Use #DCE4F9 for cards and hover fills. Tint 80

Avoid beside #4036FC — 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 #356EFC 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: #356EFC;
  --color-base-rgb: 53 110 252;
  --color-base-oklch: oklch(58.6% 0.220 264.1);
  --color-50: #F0F4FE;
  --color-100: #D8E2FD;
  --color-200: #B1C6FC;
  --color-300: #799CF6;
  --color-400: #4976E9;
  --color-500: #2555D0;
  --color-600: #25479D;
  --color-700: #20366F;
  --color-800: #192648;
  --color-900: #11192C;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  azure: {
    50: '#F0F4FE',
    100: '#D8E2FD',
    200: '#B1C6FC',
    300: '#799CF6',
    400: '#4976E9',
    500: '#2555D0',
    600: '#25479D',
    700: '#20366F',
    800: '#192648',
    900: '#11192C',
  },
}

$base: #356EFC;
$base-ink: #141310;
$base-50: #F0F4FE;
$base-100: #D8E2FD;
$base-200: #B1C6FC;
$base-300: #799CF6;
$base-400: #4976E9;
$base-500: #2555D0;
$base-600: #25479D;
$base-700: #20366F;
$base-800: #192648;
$base-900: #11192C;
$base-hover: #0447F1;
$base-subtle: #CAD7F7;

{
    "color": {
        "base": {
            "value": "#356EFC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F4FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E2FD",
                "type": "color"
            },
            "200": {
                "value": "#B1C6FC",
                "type": "color"
            },
            "300": {
                "value": "#799CF6",
                "type": "color"
            },
            "400": {
                "value": "#4976E9",
                "type": "color"
            },
            "500": {
                "value": "#2555D0",
                "type": "color"
            },
            "600": {
                "value": "#25479D",
                "type": "color"
            },
            "700": {
                "value": "#20366F",
                "type": "color"
            },
            "800": {
                "value": "#192648",
                "type": "color"
            },
            "900": {
                "value": "#11192C",
                "type": "color"
            }
        }
    }
}

Palettes built on #356EFC

Color Lab

Pairs with #356EFC

UI roles & guardrails

In real applications

Scales

Every model

Export