What color is #017CF0?

#017CF0 is a medium, vivid blue. In RGB it is rgb(1, 124, 240), and in HSL hsl(209, 99%, 47%).

Is #017CF0 accessible as text?

On white, #017CF0 has a contrast ratio of 4.08:1 (fails WCAG AA for body text); on black it is 5.14:1 (passes). For text placed on #017CF0, use black for the best readability.

What is the closest Tailwind color to #017CF0?

The nearest Tailwind CSS token is blue-500 (#2B7FFF).

What colors go well with #017CF0?

#017CF0 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EF7401. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #017CF0 below.

Is #017CF0 good for buttons?

#017CF0 works well for buttons and highlights, but use black text on #017CF0 — white text only reaches 4.08:1, below the 4.5:1 needed for normal-size labels.

Is #017CF0 the same as CSS royalblue?

No — #017CF0 is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#017CF0 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #017CF0

Not just a swatch — here's how #017CF0 works with other colors. Named schemes with #017CF0 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #017CF0 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4DA4FF

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

Coastal Morning Lead · 5 colors

Lead #017CF0 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Azure 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 #017CF0 Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CA Secondary #322B2F

Azure 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 #017CF0 Secondary #8DACD5 Support #9D8F89 Ink #16140F

Azure 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 Azure carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #017CF0 Secondary #E76A77 Accent #C4B129 Anchor #573B59 Surface #EEEBD6

Azure 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 #017CF0 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 5/100

Cool

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

Softness 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 43/100

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 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 76/100

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 17/100

Very low

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

Print safety 59/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #017CF0

For UI

For branding

For interior

For fashion

People also use #017CF0 with

Cyan Blue Ochre Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

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

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

Background Pair with #141310 text at 4.5:1. Use

Subtle surface Use #D1E5F7 for cards and hover fills. Tint 80

Avoid beside #012DEF — 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 #017CF0 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: #017CF0;
  --color-base-rgb: 1 124 240;
  --color-base-oklch: oklch(59.6% 0.197 255.1);
  --color-50: #F0F8FE;
  --color-100: #D8EBFD;
  --color-200: #B1D7FC;
  --color-300: #78BAF7;
  --color-400: #479CEB;
  --color-500: #237DD2;
  --color-600: #23639F;
  --color-700: #1F496F;
  --color-800: #193148;
  --color-900: #111F2C;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  azure: {
    50: '#F0F8FE',
    100: '#D8EBFD',
    200: '#B1D7FC',
    300: '#78BAF7',
    400: '#479CEB',
    500: '#237DD2',
    600: '#23639F',
    700: '#1F496F',
    800: '#193148',
    900: '#111F2C',
  },
}

$base: #017CF0;
$base-ink: #141310;
$base-50: #F0F8FE;
$base-100: #D8EBFD;
$base-200: #B1D7FC;
$base-300: #78BAF7;
$base-400: #479CEB;
$base-500: #237DD2;
$base-600: #23639F;
$base-700: #1F496F;
$base-800: #193148;
$base-900: #111F2C;
$base-hover: #0163BF;
$base-subtle: #B8D7F5;

{
    "color": {
        "base": {
            "value": "#017CF0",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F8FE",
                "type": "color"
            },
            "100": {
                "value": "#D8EBFD",
                "type": "color"
            },
            "200": {
                "value": "#B1D7FC",
                "type": "color"
            },
            "300": {
                "value": "#78BAF7",
                "type": "color"
            },
            "400": {
                "value": "#479CEB",
                "type": "color"
            },
            "500": {
                "value": "#237DD2",
                "type": "color"
            },
            "600": {
                "value": "#23639F",
                "type": "color"
            },
            "700": {
                "value": "#1F496F",
                "type": "color"
            },
            "800": {
                "value": "#193148",
                "type": "color"
            },
            "900": {
                "value": "#111F2C",
                "type": "color"
            }
        }
    }
}

Palettes built on #017CF0

Color Lab

Pairs with #017CF0

UI roles & guardrails

In real applications

Scales

Every model

Export