What color is #2163CD?

#2163CD is a medium, vivid blue. In RGB it is rgb(33, 99, 205), and in HSL hsl(217, 72%, 47%).

Is #2163CD accessible as text?

On white, #2163CD has a contrast ratio of 5.63:1 (passes WCAG AA for body text); on black it is 3.73:1 (fails). For text placed on #2163CD, use white for the best readability.

What is the closest Tailwind color to #2163CD?

The nearest Tailwind CSS token is sky-700 (#0069A8).

What colors go well with #2163CD?

#2163CD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CE8C22. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2163CD below.

Is #2163CD good for buttons?

#2163CD works well for buttons and highlights, but use white text on #2163CD — black text only reaches 3.73:1, below the 4.5:1 needed for normal-size labels.

Is #2163CD the same as CSS royalblue?

No — #2163CD is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#2163CD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2163CD

Not just a swatch — here's how #2163CD works with other colors. Named schemes with #2163CD in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #2163CD Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Denim 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 #2163CD Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4F8AEC

Denim 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 Denim Blue.

Vintage Leather Lead · 5 colors

Lead #2163CD Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

Denim 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 #2163CD Surface #F6E5D8 Anchor #5A2144 Accent #E4C2CA Secondary #322B2F

Denim Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #2163CD Secondary #7C94B9 Support #9D8F88 Ink #16140F

Denim 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 Denim Blue carrying the quiet middle.

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Color Lab

How #2163CD 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 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 50/100

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 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 48/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 95/100

Very high

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

Surface fit 10/100

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 #2163CD

For UI

For branding

For interior

For fashion

People also use #2163CD with

Medium Turquoise Han Purple Caramel 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 5.6:1. Use

Subtle surface Use #D6E1F2 for cards and hover fills. Tint 80

Avoid beside #222ACE — 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 #2163CD 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: #2163CD;
  --color-base-rgb: 33 99 205;
  --color-base-oklch: oklch(52.1% 0.177 259.8);
  --color-50: #F1F6FD;
  --color-100: #DBE7FA;
  --color-200: #B9CFF3;
  --color-300: #89ADE6;
  --color-400: #5D8BD5;
  --color-500: #3B6CBA;
  --color-600: #34568E;
  --color-700: #2A4164;
  --color-800: #1F2C42;
  --color-900: #151C28;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  denim-blue: {
    50: '#F1F6FD',
    100: '#DBE7FA',
    200: '#B9CFF3',
    300: '#89ADE6',
    400: '#5D8BD5',
    500: '#3B6CBA',
    600: '#34568E',
    700: '#2A4164',
    800: '#1F2C42',
    900: '#151C28',
  },
}

$base: #2163CD;
$base-ink: #FFFFFF;
$base-50: #F1F6FD;
$base-100: #DBE7FA;
$base-200: #B9CFF3;
$base-300: #89ADE6;
$base-400: #5D8BD5;
$base-500: #3B6CBA;
$base-600: #34568E;
$base-700: #2A4164;
$base-800: #1F2C42;
$base-900: #151C28;
$base-hover: #1B50A5;
$base-subtle: #C0D1ED;

{
    "color": {
        "base": {
            "value": "#2163CD",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F6FD",
                "type": "color"
            },
            "100": {
                "value": "#DBE7FA",
                "type": "color"
            },
            "200": {
                "value": "#B9CFF3",
                "type": "color"
            },
            "300": {
                "value": "#89ADE6",
                "type": "color"
            },
            "400": {
                "value": "#5D8BD5",
                "type": "color"
            },
            "500": {
                "value": "#3B6CBA",
                "type": "color"
            },
            "600": {
                "value": "#34568E",
                "type": "color"
            },
            "700": {
                "value": "#2A4164",
                "type": "color"
            },
            "800": {
                "value": "#1F2C42",
                "type": "color"
            },
            "900": {
                "value": "#151C28",
                "type": "color"
            }
        }
    }
}

Palettes built on #2163CD

Color Lab

Pairs with #2163CD

UI roles & guardrails

In real applications

Scales

Every model

Export