What color is #536BF3?

#536BF3 is a light, vivid blue. In RGB it is rgb(83, 107, 243), and in HSL hsl(231, 87%, 64%).

Is #536BF3 accessible as text?

On white, #536BF3 has a contrast ratio of 4.41:1 (fails WCAG AA for body text); on black it is 4.77:1 (passes). For text placed on #536BF3, use black for the best readability.

What is the closest Tailwind color to #536BF3?

The nearest Tailwind CSS token is indigo-500 (#615FFF).

What colors go well with #536BF3?

#536BF3 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #F3DB53. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #536BF3 below.

Is #536BF3 good for buttons?

#536BF3 works well for buttons and highlights, but use black text on #536BF3 — white text only reaches 4.41:1, below the 4.5:1 needed for normal-size labels.

Is #536BF3 the same as CSS royalblue?

No — #536BF3 is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#536BF3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #536BF3

Not just a swatch — here's how #536BF3 works with other colors. Named schemes with #536BF3 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #536BF3 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7895FF

Royal 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 Royal Blue.

Coastal Morning Lead · 5 colors

Lead #536BF3 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Royal Blue 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 #536BF3 Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 Secondary #322B2F

Royal 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 #536BF3 Secondary #96A5D4 Support #9D8F88 Ink #18140F

Royal 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 Royal Blue carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #536BF3 Secondary #E86A73 Accent #F6924F Anchor #573B58 Surface #F7E7D7

Royal Blue 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 #536BF3 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 12/100

Cool

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

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 44/100

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 23/100

Low

Clean and current — no dusty, aged cast.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 79/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 80/100

Very 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 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #536BF3

For UI

For branding

For interior

For fashion

People also use #536BF3 with

Baby Blue Medium Slate Blue Saffron Gainsboro Prussian Blue

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 #E1E5F8 for cards and hover fills. Tint 80

Avoid beside #7153F3 — 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 #536BF3 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: #536BF3;
  --color-base-rgb: 83 107 243;
  --color-base-oklch: oklch(58.6% 0.204 271.1);
  --color-50: #F0F2FE;
  --color-100: #D8DDFD;
  --color-200: #B3BDFA;
  --color-300: #7F90F0;
  --color-400: #5167E1;
  --color-500: #2E45C7;
  --color-600: #2B3B97;
  --color-700: #242F6B;
  --color-800: #1C2245;
  --color-900: #13162A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  royal-blue: {
    50: '#F0F2FE',
    100: '#D8DDFD',
    200: '#B3BDFA',
    300: '#7F90F0',
    400: '#5167E1',
    500: '#2E45C7',
    600: '#2B3B97',
    700: '#242F6B',
    800: '#1C2245',
    900: '#13162A',
  },
}

$base: #536BF3;
$base-ink: #141310;
$base-50: #F0F2FE;
$base-100: #D8DDFD;
$base-200: #B3BDFA;
$base-300: #7F90F0;
$base-400: #5167E1;
$base-500: #2E45C7;
$base-600: #2B3B97;
$base-700: #242F6B;
$base-800: #1C2245;
$base-900: #13162A;
$base-hover: #1637EF;
$base-subtle: #D1D7F6;

{
    "color": {
        "base": {
            "value": "#536BF3",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F2FE",
                "type": "color"
            },
            "100": {
                "value": "#D8DDFD",
                "type": "color"
            },
            "200": {
                "value": "#B3BDFA",
                "type": "color"
            },
            "300": {
                "value": "#7F90F0",
                "type": "color"
            },
            "400": {
                "value": "#5167E1",
                "type": "color"
            },
            "500": {
                "value": "#2E45C7",
                "type": "color"
            },
            "600": {
                "value": "#2B3B97",
                "type": "color"
            },
            "700": {
                "value": "#242F6B",
                "type": "color"
            },
            "800": {
                "value": "#1C2245",
                "type": "color"
            },
            "900": {
                "value": "#13162A",
                "type": "color"
            }
        }
    }
}