What color is #0164BB?

#0164BB is a dark, vivid blue. In RGB it is rgb(1, 100, 187), and in HSL hsl(208, 99%, 37%).

Is #0164BB accessible as text?

On white, #0164BB has a contrast ratio of 5.93:1 (passes WCAG AA for body text); on black it is 3.54:1 (fails). For text placed on #0164BB, use white for the best readability.

What is the closest Tailwind color to #0164BB?

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

What colors go well with #0164BB?

#0164BB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BC5801. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0164BB below.

Is #0164BB good for buttons?

#0164BB works well for buttons and highlights, but use white text on #0164BB — black text only reaches 3.54:1, below the 4.5:1 needed for normal-size labels.

Is #0164BB the same as CSS royalblue?

No — #0164BB is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#0164BB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0164BB

Not just a swatch — here's how #0164BB works with other colors. Named schemes with #0164BB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #0164BB 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 #0164BB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #438ADA

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 #0164BB Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57233B

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 #0164BB Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CB 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 #0164BB Secondary #7690AF Support #9D8F89 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 #0164BB 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 37/100

Low

Middle-weight — neither delicate nor heavy.

Depth 51/100

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 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 43/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 98/100

Very high

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

Surface fit 8/100

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 #0164BB

For UI

For branding

For interior

For fashion

People also use #0164BB with

Turquoise Medium Blue Sienna 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 5.9:1. Use

Subtle surface Use #C8E0F6 for cards and hover fills. Tint 80

Avoid beside #0126BC — 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 #0164BB 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: #0164BB;
  --color-base-rgb: 1 100 187;
  --color-base-oklch: oklch(50.5% 0.157 253.4);
  --color-50: #F0F8FE;
  --color-100: #D8ECFD;
  --color-200: #B1D9FC;
  --color-300: #78BCF7;
  --color-400: #479EEB;
  --color-500: #2380D2;
  --color-600: #23659F;
  --color-700: #1F4A6F;
  --color-800: #193248;
  --color-900: #111F2C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  denim-blue: {
    50: '#F0F8FE',
    100: '#D8ECFD',
    200: '#B1D9FC',
    300: '#78BCF7',
    400: '#479EEB',
    500: '#2380D2',
    600: '#23659F',
    700: '#1F4A6F',
    800: '#193248',
    900: '#111F2C',
  },
}

$base: #0164BB;
$base-ink: #FFFFFF;
$base-50: #F0F8FE;
$base-100: #D8ECFD;
$base-200: #B1D9FC;
$base-300: #78BCF7;
$base-400: #479EEB;
$base-500: #2380D2;
$base-600: #23659F;
$base-700: #1F4A6F;
$base-800: #193248;
$base-900: #111F2C;
$base-hover: #015096;
$base-subtle: #ABD1F3;

{
    "color": {
        "base": {
            "value": "#0164BB",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F8FE",
                "type": "color"
            },
            "100": {
                "value": "#D8ECFD",
                "type": "color"
            },
            "200": {
                "value": "#B1D9FC",
                "type": "color"
            },
            "300": {
                "value": "#78BCF7",
                "type": "color"
            },
            "400": {
                "value": "#479EEB",
                "type": "color"
            },
            "500": {
                "value": "#2380D2",
                "type": "color"
            },
            "600": {
                "value": "#23659F",
                "type": "color"
            },
            "700": {
                "value": "#1F4A6F",
                "type": "color"
            },
            "800": {
                "value": "#193248",
                "type": "color"
            },
            "900": {
                "value": "#111F2C",
                "type": "color"
            }
        }
    }
}

Palettes built on #0164BB

Color Lab

Pairs with #0164BB

UI roles & guardrails

In real applications

Scales

Every model

Export