What color is #204ECD?

#204ECD is a medium, vivid blue. In RGB it is rgb(32, 78, 205), and in HSL hsl(224, 73%, 46%).

Is #204ECD accessible as text?

On white, #204ECD has a contrast ratio of 6.92:1 (passes WCAG AA for body text); on black it is 3.03:1 (fails). For text placed on #204ECD, use white for the best readability.

What is the closest Tailwind color to #204ECD?

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

What colors go well with #204ECD?

#204ECD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CB9D20. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #204ECD below.

Is #204ECD good for buttons?

#204ECD works well for buttons and highlights, but use white text on #204ECD — black text only reaches 3.03:1, below the 4.5:1 needed for normal-size labels.

Is #204ECD the same as CSS royalblue?

No — #204ECD is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#204ECD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #204ECD

Not just a swatch — here's how #204ECD works with other colors. Named schemes with #204ECD in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #204ECD Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4778EB

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 #204ECD Accent #A5C4C2 Surface #DDDBBF 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 #204ECD 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 #204ECD Secondary #7086B1 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 #204ECD Secondary #E76A75 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.

Build a working theme in the generator →

Color Lab

How #204ECD 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 9/100

Cool

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

Softness 30/100

Low

Firm and assertive — carries weight and contrast.

Depth 56/100

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 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 53/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 78/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 82/100

Very 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 63/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #204ECD

For UI

For branding

For interior

For fashion

People also use #204ECD with

Lagoon Blue Han Purple Dijon 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 6.9:1. Use

Subtle surface Use #D5DDF2 for cards and hover fills. Tint 80

Avoid beside #2B20CB — 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 #204ECD at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #204ECD;
  --color-base-rgb: 32 78 205;
  --color-base-oklch: oklch(47.9% 0.203 264.5);
  --color-50: #F1F4FD;
  --color-100: #DBE3FA;
  --color-200: #B9C8F4;
  --color-300: #88A2E7;
  --color-400: #5D7DD5;
  --color-500: #3A5CBB;
  --color-600: #334C8E;
  --color-700: #2A3A65;
  --color-800: #1F2842;
  --color-900: #151A28;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  cerulean: {
    50: '#F1F4FD',
    100: '#DBE3FA',
    200: '#B9C8F4',
    300: '#88A2E7',
    400: '#5D7DD5',
    500: '#3A5CBB',
    600: '#334C8E',
    700: '#2A3A65',
    800: '#1F2842',
    900: '#151A28',
  },
}

$base: #204ECD;
$base-ink: #FFFFFF;
$base-50: #F1F4FD;
$base-100: #DBE3FA;
$base-200: #B9C8F4;
$base-300: #88A2E7;
$base-400: #5D7DD5;
$base-500: #3A5CBB;
$base-600: #334C8E;
$base-700: #2A3A65;
$base-800: #1F2842;
$base-900: #151A28;
$base-hover: #193EA2;
$base-subtle: #BFCBED;

{
    "color": {
        "base": {
            "value": "#204ECD",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F4FD",
                "type": "color"
            },
            "100": {
                "value": "#DBE3FA",
                "type": "color"
            },
            "200": {
                "value": "#B9C8F4",
                "type": "color"
            },
            "300": {
                "value": "#88A2E7",
                "type": "color"
            },
            "400": {
                "value": "#5D7DD5",
                "type": "color"
            },
            "500": {
                "value": "#3A5CBB",
                "type": "color"
            },
            "600": {
                "value": "#334C8E",
                "type": "color"
            },
            "700": {
                "value": "#2A3A65",
                "type": "color"
            },
            "800": {
                "value": "#1F2842",
                "type": "color"
            },
            "900": {
                "value": "#151A28",
                "type": "color"
            }
        }
    }
}