What color is #2018B2?

#2018B2 is a medium, vivid blue. In RGB it is rgb(32, 24, 178), and in HSL hsl(243, 76%, 40%).

Is #2018B2 accessible as text?

On white, #2018B2 has a contrast ratio of 11.44:1 (passes WCAG AA for body text); on black it is 1.83:1 (fails). For text placed on #2018B2, use white for the best readability.

What is the closest Tailwind color to #2018B2?

The nearest Tailwind CSS token is indigo-800 (#372AAC).

What colors go well with #2018B2?

#2018B2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #ACB418. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2018B2 below.

Is #2018B2 good for buttons?

#2018B2 works well for buttons and highlights, but use white text on #2018B2 — black text only reaches 1.83:1, below the 4.5:1 needed for normal-size labels.

Is #2018B2 the same as CSS mediumblue?

No — #2018B2 is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#2018B2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2018B2

Not just a swatch — here's how #2018B2 works with other colors. Named schemes with #2018B2 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #2018B2 Anchor #141210 Accent #DC9659 Secondary #252933 Surface #F3ECE3

Zaffre carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Tech Product Signal · 5 colors

Signal #2018B2 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #394ECF

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

Moody Editorial Color · 5 colors

Color #2018B2 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #260065

Zaffre adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Zaffre.

Coastal Morning Lead · 5 colors

Lead #2018B2 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Zaffre opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #2018B2 Secondary #556493 Support #9D8F88 Ink #18140F

Zaffre 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 Zaffre carrying the quiet middle.

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Color Lab

How #2018B2 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 12/100

Cool

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

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 13/100

Very low

Clean and current — no dusty, aged cast.

Luxury 60/100

Moderate

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 86/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 49/100

Moderate

Workable accent with care around contrast.

Surface fit 16/100

Very low

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

Print safety 62/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #2018B2

For UI

For branding

For interior

For fashion

People also use #2018B2 with

True Blue Grape Citron Gainsboro Prussian Blue

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

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 11.4:1. Use

Subtle surface Use #D1D0F1 for cards and hover fills. Tint 80

Avoid beside #5418B4 — 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 #2018B2 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: #2018B2;
  --color-base-rgb: 32 24 178;
  --color-base-oklch: oklch(37.1% 0.222 270.1);
  --color-50: #F2F1FE;
  --color-100: #DCDAFB;
  --color-200: #BAB7F5;
  --color-300: #8B87E9;
  --color-400: #605AD8;
  --color-500: #3E37BD;
  --color-600: #363290;
  --color-700: #2C2966;
  --color-800: #201E43;
  --color-900: #151429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  zaffre: {
    50: '#F2F1FE',
    100: '#DCDAFB',
    200: '#BAB7F5',
    300: '#8B87E9',
    400: '#605AD8',
    500: '#3E37BD',
    600: '#363290',
    700: '#2C2966',
    800: '#201E43',
    900: '#151429',
  },
}

$base: #2018B2;
$base-ink: #FFFFFF;
$base-50: #F2F1FE;
$base-100: #DCDAFB;
$base-200: #BAB7F5;
$base-300: #8B87E9;
$base-400: #605AD8;
$base-500: #3E37BD;
$base-600: #363290;
$base-700: #2C2966;
$base-800: #201E43;
$base-900: #151429;
$base-hover: #1A1490;
$base-subtle: #B9B7EC;

{
    "color": {
        "base": {
            "value": "#2018B2",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F1FE",
                "type": "color"
            },
            "100": {
                "value": "#DCDAFB",
                "type": "color"
            },
            "200": {
                "value": "#BAB7F5",
                "type": "color"
            },
            "300": {
                "value": "#8B87E9",
                "type": "color"
            },
            "400": {
                "value": "#605AD8",
                "type": "color"
            },
            "500": {
                "value": "#3E37BD",
                "type": "color"
            },
            "600": {
                "value": "#363290",
                "type": "color"
            },
            "700": {
                "value": "#2C2966",
                "type": "color"
            },
            "800": {
                "value": "#201E43",
                "type": "color"
            },
            "900": {
                "value": "#151429",
                "type": "color"
            }
        }
    }
}

Palettes built on #2018B2

Color Lab

Pairs with #2018B2

UI roles & guardrails

In real applications

Scales

Every model

Export