What color is #266ECE?

#266ECE is a medium blue. In RGB it is rgb(38, 110, 206), and in HSL hsl(214, 69%, 48%).

Is #266ECE accessible as text?

On white, #266ECE has a contrast ratio of 5.00:1 (passes WCAG AA for body text); on black it is 4.20:1 (fails). For text placed on #266ECE, use white for the best readability.

What is the closest Tailwind color to #266ECE?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #266ECE?

#266ECE pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CF8626. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #266ECE below.

Is #266ECE good for buttons?

#266ECE works well for buttons and highlights, but use white text on #266ECE — black text only reaches 4.20:1, below the 4.5:1 needed for normal-size labels.

Is #266ECE the same as CSS royalblue?

No — #266ECE is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#266ECE Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #266ECE

Not just a swatch — here's how #266ECE works with other colors. Named schemes with #266ECE in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #266ECE Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

True 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 #266ECE Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #5595ED

True 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 True Blue.

Vintage Leather Lead · 5 colors

Lead #266ECE Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57223B

True 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 #266ECE Surface #EDE9D6 Anchor #5A2144 Accent #E4C2CA Secondary #322B2F

True 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 #266ECE Secondary #849CBE Support #9D8F89 Ink #16140F

True 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 True Blue carrying the quiet middle.

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Color Lab

How #266ECE 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 6/100

Cool

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

Softness 39/100

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 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 44/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 97/100

Very high

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

Surface fit 12/100

Very low

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

Print safety 67/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #266ECE

For UI

For branding

For interior

For fashion

People also use #266ECE with

Turquoise Han Purple Peru 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 5.0:1. Use

Subtle surface Use #D7E3F2 for cards and hover fills. Tint 80

Avoid beside #2637CF — 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 #266ECE 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: #266ECE;
  --color-base-rgb: 38 110 206;
  --color-base-oklch: oklch(54.7% 0.165 257.2);
  --color-50: #F2F7FD;
  --color-100: #DCE9F9;
  --color-200: #BAD2F2;
  --color-300: #8BB2E4;
  --color-400: #6091D2;
  --color-500: #3E72B7;
  --color-600: #365B8C;
  --color-700: #2C4463;
  --color-800: #202E41;
  --color-900: #151D28;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  true-blue: {
    50: '#F2F7FD',
    100: '#DCE9F9',
    200: '#BAD2F2',
    300: '#8BB2E4',
    400: '#6091D2',
    500: '#3E72B7',
    600: '#365B8C',
    700: '#2C4463',
    800: '#202E41',
    900: '#151D28',
  },
}

$base: #266ECE;
$base-ink: #FFFFFF;
$base-50: #F2F7FD;
$base-100: #DCE9F9;
$base-200: #BAD2F2;
$base-300: #8BB2E4;
$base-400: #6091D2;
$base-500: #3E72B7;
$base-600: #365B8C;
$base-700: #2C4463;
$base-800: #202E41;
$base-900: #151D28;
$base-hover: #1E59A5;
$base-subtle: #C2D4EC;

{
    "color": {
        "base": {
            "value": "#266ECE",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F7FD",
                "type": "color"
            },
            "100": {
                "value": "#DCE9F9",
                "type": "color"
            },
            "200": {
                "value": "#BAD2F2",
                "type": "color"
            },
            "300": {
                "value": "#8BB2E4",
                "type": "color"
            },
            "400": {
                "value": "#6091D2",
                "type": "color"
            },
            "500": {
                "value": "#3E72B7",
                "type": "color"
            },
            "600": {
                "value": "#365B8C",
                "type": "color"
            },
            "700": {
                "value": "#2C4463",
                "type": "color"
            },
            "800": {
                "value": "#202E41",
                "type": "color"
            },
            "900": {
                "value": "#151D28",
                "type": "color"
            }
        }
    }
}

Palettes built on #266ECE

Color Lab

Pairs with #266ECE

UI roles & guardrails

In real applications

Scales

Every model

Export