What color is #2245DD?

#2245DD is a medium, vivid blue. In RGB it is rgb(34, 69, 221), and in HSL hsl(229, 73%, 50%).

Is #2245DD accessible as text?

On white, #2245DD has a contrast ratio of 7.09:1 (passes WCAG AA for body text); on black it is 2.96:1 (fails). For text placed on #2245DD, use white for the best readability.

What is the closest Tailwind color to #2245DD?

The nearest Tailwind CSS token is blue-700 (#1447E6).

What colors go well with #2245DD?

#2245DD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DDBA22. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2245DD below.

Is #2245DD good for buttons?

#2245DD works well for buttons and highlights, but use white text on #2245DD — black text only reaches 2.96:1, below the 4.5:1 needed for normal-size labels.

Is #2245DD the same as CSS blue?

No — #2245DD is not the CSS named color blue, but blue (#0000FF) is the closest CSS named color.

#2245DD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2245DD

Not just a swatch — here's how #2245DD works with other colors. Named schemes with #2245DD in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #2245DD Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #4672FA

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

Coastal Morning Lead · 5 colors

Lead #2245DD Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Cerulean 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 #2245DD Surface #F6E5D8 Anchor #5B2144 Accent #E5C2CA Secondary #322B2F

Cerulean 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 #2245DD Secondary #6F85B7 Support #9D8F88 Ink #18140F

Cerulean 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 Cerulean carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #2245DD Secondary #E86A74 Accent #F79251 Anchor #573B58 Surface #F7E7D7

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

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Color Lab

How #2245DD 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 10/100

Cool

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 57/100

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 13/100

Very low

Clean and current — no dusty, aged cast.

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 90/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 68/100

High

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

Surface fit 9/100

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 #2245DD

For UI

For branding

For interior

For fashion

People also use #2245DD with

Picton Blue Violet Mustard Yellow Gainsboro Gunmetal Gray

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

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 7.1:1. Use

Subtle surface Use #D8DDF3 for cards and hover fills. Tint 80

Avoid beside #3E22DD — 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 #2245DD 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: #2245DD;
  --color-base-rgb: 34 69 221;
  --color-base-oklch: oklch(47.9% 0.232 266.3);
  --color-50: #F1F3FD;
  --color-100: #DBE1FA;
  --color-200: #B9C3F4;
  --color-300: #889AE7;
  --color-400: #5D73D5;
  --color-500: #3A52BB;
  --color-600: #33448E;
  --color-700: #2A3565;
  --color-800: #1F2542;
  --color-900: #151828;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  cerulean: {
    50: '#F1F3FD',
    100: '#DBE1FA',
    200: '#B9C3F4',
    300: '#889AE7',
    400: '#5D73D5',
    500: '#3A52BB',
    600: '#33448E',
    700: '#2A3565',
    800: '#1F2542',
    900: '#151828',
  },
}

$base: #2245DD;
$base-ink: #FFFFFF;
$base-50: #F1F3FD;
$base-100: #DBE1FA;
$base-200: #B9C3F4;
$base-300: #889AE7;
$base-400: #5D73D5;
$base-500: #3A52BB;
$base-600: #33448E;
$base-700: #2A3565;
$base-800: #1F2542;
$base-900: #151828;
$base-hover: #1C37B0;
$base-subtle: #C4CBEE;

{
    "color": {
        "base": {
            "value": "#2245DD",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F3FD",
                "type": "color"
            },
            "100": {
                "value": "#DBE1FA",
                "type": "color"
            },
            "200": {
                "value": "#B9C3F4",
                "type": "color"
            },
            "300": {
                "value": "#889AE7",
                "type": "color"
            },
            "400": {
                "value": "#5D73D5",
                "type": "color"
            },
            "500": {
                "value": "#3A52BB",
                "type": "color"
            },
            "600": {
                "value": "#33448E",
                "type": "color"
            },
            "700": {
                "value": "#2A3565",
                "type": "color"
            },
            "800": {
                "value": "#1F2542",
                "type": "color"
            },
            "900": {
                "value": "#151828",
                "type": "color"
            }
        }
    }
}

Palettes built on #2245DD

Color Lab

Pairs with #2245DD

UI roles & guardrails

In real applications

Scales

Every model

Export