What color is #3672E2?

#3672E2 is a medium, vivid blue. In RGB it is rgb(54, 114, 226), and in HSL hsl(219, 75%, 55%).

Is #3672E2 accessible as text?

On white, #3672E2 has a contrast ratio of 4.50:1 (passes WCAG AA for body text); on black it is 4.66:1 (passes). For text placed on #3672E2, use black for the best readability.

What is the closest Tailwind color to #3672E2?

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

What colors go well with #3672E2?

#3672E2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E2A636. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3672E2 below.

Is #3672E2 good for buttons?

#3672E2 works for buttons; black text has the higher contrast, so prefer it for labels.

Is #3672E2 the same as CSS royalblue?

No — #3672E2 is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#3672E2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3672E2

Not just a swatch — here's how #3672E2 works with other colors. Named schemes with #3672E2 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3672E2 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.

Tech Product Signal · 5 colors

Signal #3672E2 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #619AFF

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.

Vintage Leather Lead · 5 colors

Lead #3672E2 Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

Royal 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 #3672E2 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 #3672E2 Secondary #8DA4CB 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.

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Color Lab

How #3672E2 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 38/100

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 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 46/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 90/100

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 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3672E2

For UI

For branding

For interior

For fashion

People also use #3672E2 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 4.5:1. Use

Subtle surface Use #DCE4F4 for cards and hover fills. Tint 80

Avoid beside #3639E2 — 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 #3672E2 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: #3672E2;
  --color-base-rgb: 54 114 226;
  --color-base-oklch: oklch(57.4% 0.182 261.5);
  --color-50: #F1F5FE;
  --color-100: #DAE6FB;
  --color-200: #B8CDF5;
  --color-300: #87A9E8;
  --color-400: #5B86D7;
  --color-500: #3867BC;
  --color-600: #325390;
  --color-700: #293E66;
  --color-800: #1E2B42;
  --color-900: #141C29;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  royal-blue: {
    50: '#F1F5FE',
    100: '#DAE6FB',
    200: '#B8CDF5',
    300: '#87A9E8',
    400: '#5B86D7',
    500: '#3867BC',
    600: '#325390',
    700: '#293E66',
    800: '#1E2B42',
    900: '#141C29',
  },
}

$base: #3672E2;
$base-ink: #141310;
$base-50: #F1F5FE;
$base-100: #DAE6FB;
$base-200: #B8CDF5;
$base-300: #87A9E8;
$base-400: #5B86D7;
$base-500: #3867BC;
$base-600: #325390;
$base-700: #293E66;
$base-800: #1E2B42;
$base-900: #141C29;
$base-hover: #1C57C4;
$base-subtle: #C9D7F0;

{
    "color": {
        "base": {
            "value": "#3672E2",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F5FE",
                "type": "color"
            },
            "100": {
                "value": "#DAE6FB",
                "type": "color"
            },
            "200": {
                "value": "#B8CDF5",
                "type": "color"
            },
            "300": {
                "value": "#87A9E8",
                "type": "color"
            },
            "400": {
                "value": "#5B86D7",
                "type": "color"
            },
            "500": {
                "value": "#3867BC",
                "type": "color"
            },
            "600": {
                "value": "#325390",
                "type": "color"
            },
            "700": {
                "value": "#293E66",
                "type": "color"
            },
            "800": {
                "value": "#1E2B42",
                "type": "color"
            },
            "900": {
                "value": "#141C29",
                "type": "color"
            }
        }
    }
}

Palettes built on #3672E2

Color Lab

Pairs with #3672E2

UI roles & guardrails

In real applications

Scales

Every model

Export