What color is #4277CD?

#4277CD is a medium blue. In RGB it is rgb(66, 119, 205), and in HSL hsl(217, 58%, 53%).

Is #4277CD accessible as text?

On white, #4277CD has a contrast ratio of 4.42:1 (fails WCAG AA for body text); on black it is 4.75:1 (passes). For text placed on #4277CD, use black for the best readability.

What is the closest Tailwind color to #4277CD?

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

What colors go well with #4277CD?

#4277CD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CD9742. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4277CD below.

Is #4277CD good for buttons?

#4277CD works well for buttons and highlights, but use black text on #4277CD — white text only reaches 4.42:1, below the 4.5:1 needed for normal-size labels.

Is #4277CD the same as CSS royalblue?

No — #4277CD is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#4277CD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4277CD

Not just a swatch — here's how #4277CD works with other colors. Named schemes with #4277CD in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #4277CD 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 #4277CD Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #6C9DED

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 #4277CD Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

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 #4277CD Surface #F6E5D8 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 #4277CD Secondary #91A4C3 Support #9D8F88 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.

Build a working theme in the generator →

Color Lab

How #4277CD 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 13/100

Cool

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

Softness 43/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

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 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 48/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 39/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 96/100

Very high

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

Surface fit 16/100

Very low

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

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4277CD

For UI

For branding

For interior

For fashion

People also use #4277CD with

Medium Turquoise Slate Blue Caramel Gainsboro Charcoal

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 4.4:1. Use

Subtle surface Use #DDE5F1 for cards and hover fills. Tint 80

Avoid beside #4249CD — 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 #4277CD 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: #4277CD;
  --color-base-rgb: 66 119 205;
  --color-base-oklch: oklch(57.6% 0.144 259.6);
  --color-50: #F2F6FC;
  --color-100: #DEE8F7;
  --color-200: #BFD1EE;
  --color-300: #92AFDD;
  --color-400: #698EC9;
  --color-500: #476EAD;
  --color-600: #3D5885;
  --color-700: #30425F;
  --color-800: #232D3E;
  --color-900: #171D26;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  true-blue: {
    50: '#F2F6FC',
    100: '#DEE8F7',
    200: '#BFD1EE',
    300: '#92AFDD',
    400: '#698EC9',
    500: '#476EAD',
    600: '#3D5885',
    700: '#30425F',
    800: '#232D3E',
    900: '#171D26',
  },
}

$base: #4277CD;
$base-ink: #141310;
$base-50: #F2F6FC;
$base-100: #DEE8F7;
$base-200: #BFD1EE;
$base-300: #92AFDD;
$base-400: #698EC9;
$base-500: #476EAD;
$base-600: #3D5885;
$base-700: #30425F;
$base-800: #232D3E;
$base-900: #171D26;
$base-hover: #2D5DAB;
$base-subtle: #CBD7EB;

{
    "color": {
        "base": {
            "value": "#4277CD",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F6FC",
                "type": "color"
            },
            "100": {
                "value": "#DEE8F7",
                "type": "color"
            },
            "200": {
                "value": "#BFD1EE",
                "type": "color"
            },
            "300": {
                "value": "#92AFDD",
                "type": "color"
            },
            "400": {
                "value": "#698EC9",
                "type": "color"
            },
            "500": {
                "value": "#476EAD",
                "type": "color"
            },
            "600": {
                "value": "#3D5885",
                "type": "color"
            },
            "700": {
                "value": "#30425F",
                "type": "color"
            },
            "800": {
                "value": "#232D3E",
                "type": "color"
            },
            "900": {
                "value": "#171D26",
                "type": "color"
            }
        }
    }
}

Palettes built on #4277CD

Color Lab

Pairs with #4277CD

UI roles & guardrails

In real applications

Scales

Every model

Export