What color is #216BF5?

#216BF5 is a medium, vivid blue. In RGB it is rgb(33, 107, 245), and in HSL hsl(219, 91%, 55%).

Is #216BF5 accessible as text?

On white, #216BF5 has a contrast ratio of 4.68:1 (passes WCAG AA for body text); on black it is 4.49:1 (fails). For text placed on #216BF5, use white for the best readability.

What is the closest Tailwind color to #216BF5?

The nearest Tailwind CSS token is blue-600 (#155DFC).

What colors go well with #216BF5?

#216BF5 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #F5AC24. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #216BF5 below.

Is #216BF5 good for buttons?

#216BF5 works well for buttons and highlights, but use white text on #216BF5 — black text only reaches 4.49:1, below the 4.5:1 needed for normal-size labels.

Is #216BF5 the same as CSS royalblue?

No — #216BF5 is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#216BF5 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #216BF5

Not just a swatch — here's how #216BF5 works with other colors. Named schemes with #216BF5 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #216BF5 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #5195FF

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 #216BF5 Accent #A5C4C1 Surface #DDDBBF 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 #216BF5 Surface #F6E5D8 Anchor #5A2144 Accent #E4C2CA 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 #216BF5 Secondary #87A2D2 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 #216BF5 Secondary #E76A76 Accent #F79152 Anchor #573B58 Surface #EEEBD6

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 #216BF5 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 7/100

Cool

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 47/100

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 18/100

Very low

Clean and current — no dusty, aged cast.

Luxury 44/100

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 76/100

High

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

Surface fit 14/100

Very low

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

Print safety 58/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #216BF5

For UI

For branding

For interior

For fashion

People also use #216BF5 with

Turquoise Han Purple Goldenrod 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 4.7:1. Use

Subtle surface Use #D9E4F7 for cards and hover fills. Tint 80

Avoid beside #2427F5 — 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 #216BF5 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: #216BF5;
  --color-base-rgb: 33 107 245;
  --color-base-oklch: oklch(56.9% 0.219 261.5);
  --color-50: #F0F5FE;
  --color-100: #D8E5FD;
  --color-200: #B1CBFB;
  --color-300: #7DA6F2;
  --color-400: #4E82E4;
  --color-500: #2A62CB;
  --color-600: #28509A;
  --color-700: #233C6C;
  --color-800: #1B2A46;
  --color-900: #121B2B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  royal-blue: {
    50: '#F0F5FE',
    100: '#D8E5FD',
    200: '#B1CBFB',
    300: '#7DA6F2',
    400: '#4E82E4',
    500: '#2A62CB',
    600: '#28509A',
    700: '#233C6C',
    800: '#1B2A46',
    900: '#121B2B',
  },
}

$base: #216BF5;
$base-ink: #FFFFFF;
$base-50: #F0F5FE;
$base-100: #D8E5FD;
$base-200: #B1CBFB;
$base-300: #7DA6F2;
$base-400: #4E82E4;
$base-500: #2A62CB;
$base-600: #28509A;
$base-700: #233C6C;
$base-800: #1B2A46;
$base-900: #121B2B;
$base-hover: #0A52D6;
$base-subtle: #C5D5F4;

{
    "color": {
        "base": {
            "value": "#216BF5",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F5FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E5FD",
                "type": "color"
            },
            "200": {
                "value": "#B1CBFB",
                "type": "color"
            },
            "300": {
                "value": "#7DA6F2",
                "type": "color"
            },
            "400": {
                "value": "#4E82E4",
                "type": "color"
            },
            "500": {
                "value": "#2A62CB",
                "type": "color"
            },
            "600": {
                "value": "#28509A",
                "type": "color"
            },
            "700": {
                "value": "#233C6C",
                "type": "color"
            },
            "800": {
                "value": "#1B2A46",
                "type": "color"
            },
            "900": {
                "value": "#121B2B",
                "type": "color"
            }
        }
    }
}

Palettes built on #216BF5

Color Lab

Pairs with #216BF5

UI roles & guardrails

In real applications

Scales

Every model

Export