What color is #536BC4?

#536BC4 is a medium blue. In RGB it is rgb(83, 107, 196), and in HSL hsl(227, 49%, 55%).

Is #536BC4 accessible as text?

On white, #536BC4 has a contrast ratio of 4.92:1 (passes WCAG AA for body text); on black it is 4.27:1 (fails). For text placed on #536BC4, use white for the best readability.

What is the closest Tailwind color to #536BC4?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #536BC4?

#536BC4 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C4AC54. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #536BC4 below.

Is #536BC4 good for buttons?

#536BC4 works well for buttons and highlights, but use white text on #536BC4 — black text only reaches 4.27:1, below the 4.5:1 needed for normal-size labels.

Is #536BC4 the same as CSS royalblue?

No — #536BC4 is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#536BC4 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #536BC4

Not just a swatch — here's how #536BC4 works with other colors. Named schemes with #536BC4 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #536BC4 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Very Peri 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 #536BC4 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7891E4

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

Vintage Leather Lead · 5 colors

Lead #536BC4 Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #582239

Very Peri 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 #536BC4 Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 Secondary #322B2F

Very Peri 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 #536BC4 Secondary #909BBC Support #9D8F88 Ink #18140F

Very Peri 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 Very Peri carrying the quiet middle.

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Color Lab

How #536BC4 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 18/100

Cool

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 46/100

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 46/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 38/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 99/100

Very high

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

Surface fit 15/100

Very low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #536BC4

For UI

For branding

For interior

For fashion

People also use #536BC4 with

Lagoon Blue Slate Blue Dark Khaki Gainsboro Gunmetal Gray

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 4.9:1. Use

Subtle surface Use #E0E3F0 for cards and hover fills. Tint 80

Avoid beside #6154C4 — 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 #536BC4 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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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: #536BC4;
  --color-base-rgb: 83 107 196;
  --color-base-oklch: oklch(55.3% 0.141 270.0);
  --color-50: #F3F5FB;
  --color-100: #E0E5F5;
  --color-200: #C2CBEA;
  --color-300: #98A6D7;
  --color-400: #7082C2;
  --color-500: #4F62A6;
  --color-600: #42507F;
  --color-700: #343C5B;
  --color-800: #252A3C;
  --color-900: #181B25;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  very-peri: {
    50: '#F3F5FB',
    100: '#E0E5F5',
    200: '#C2CBEA',
    300: '#98A6D7',
    400: '#7082C2',
    500: '#4F62A6',
    600: '#42507F',
    700: '#343C5B',
    800: '#252A3C',
    900: '#181B25',
  },
}

$base: #536BC4;
$base-ink: #FFFFFF;
$base-50: #F3F5FB;
$base-100: #E0E5F5;
$base-200: #C2CBEA;
$base-300: #98A6D7;
$base-400: #7082C2;
$base-500: #4F62A6;
$base-600: #42507F;
$base-700: #343C5B;
$base-800: #252A3C;
$base-900: #181B25;
$base-hover: #3951A7;
$base-subtle: #D0D5E9;

{
    "color": {
        "base": {
            "value": "#536BC4",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F5FB",
                "type": "color"
            },
            "100": {
                "value": "#E0E5F5",
                "type": "color"
            },
            "200": {
                "value": "#C2CBEA",
                "type": "color"
            },
            "300": {
                "value": "#98A6D7",
                "type": "color"
            },
            "400": {
                "value": "#7082C2",
                "type": "color"
            },
            "500": {
                "value": "#4F62A6",
                "type": "color"
            },
            "600": {
                "value": "#42507F",
                "type": "color"
            },
            "700": {
                "value": "#343C5B",
                "type": "color"
            },
            "800": {
                "value": "#252A3C",
                "type": "color"
            },
            "900": {
                "value": "#181B25",
                "type": "color"
            }
        }
    }
}

Palettes built on #536BC4

Color Lab

Pairs with #536BC4

UI roles & guardrails

In real applications

Scales

Every model

Export