What color is #2874EF?

#2874EF is a medium, vivid blue. In RGB it is rgb(40, 116, 239), and in HSL hsl(217, 86%, 55%).

Is #2874EF accessible as text?

On white, #2874EF has a contrast ratio of 4.34:1 (fails WCAG AA for body text); on black it is 4.83:1 (passes). For text placed on #2874EF, use black for the best readability.

What is the closest Tailwind color to #2874EF?

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

What colors go well with #2874EF?

#2874EF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EFA32A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2874EF below.

Is #2874EF good for buttons?

#2874EF works well for buttons and highlights, but use black text on #2874EF — white text only reaches 4.34:1, below the 4.5:1 needed for normal-size labels.

Is #2874EF the same as CSS royalblue?

No — #2874EF is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#2874EF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2874EF

Not just a swatch — here's how #2874EF works with other colors. Named schemes with #2874EF in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #2874EF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #589DFF

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 #2874EF Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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 #2874EF Surface #F6E5D8 Anchor #5A2144 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 #2874EF Secondary #8CA7D2 Support #9D8F88 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 #2874EF Secondary #E76A76 Accent #F79152 Anchor #573B58 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 #2874EF 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 45/100

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 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 77/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 83/100

Very high

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

Surface fit 15/100

Very low

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

Print safety 61/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #2874EF

For UI

For branding

For interior

For fashion

People also use #2874EF with

Turquoise Han Purple Gamboge 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 4.3:1. Use

Subtle surface Use #DAE5F6 for cards and hover fills. Tint 80

Avoid beside #2A33EF — 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 #2874EF at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #2874EF;
  --color-base-rgb: 40 116 239;
  --color-base-oklch: oklch(58.4% 0.200 259.9);
  --color-50: #F0F6FE;
  --color-100: #D8E6FD;
  --color-200: #B3CEF9;
  --color-300: #80ABEF;
  --color-400: #5288E0;
  --color-500: #2F69C6;
  --color-600: #2B5496;
  --color-700: #253F6A;
  --color-800: #1C2C45;
  --color-900: #131C2A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  azure: {
    50: '#F0F6FE',
    100: '#D8E6FD',
    200: '#B3CEF9',
    300: '#80ABEF',
    400: '#5288E0',
    500: '#2F69C6',
    600: '#2B5496',
    700: '#253F6A',
    800: '#1C2C45',
    900: '#131C2A',
  },
}

$base: #2874EF;
$base-ink: #141310;
$base-50: #F0F6FE;
$base-100: #D8E6FD;
$base-200: #B3CEF9;
$base-300: #80ABEF;
$base-400: #5288E0;
$base-500: #2F69C6;
$base-600: #2B5496;
$base-700: #253F6A;
$base-800: #1C2C45;
$base-900: #131C2A;
$base-hover: #105AD1;
$base-subtle: #C6D7F3;

{
    "color": {
        "base": {
            "value": "#2874EF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F6FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E6FD",
                "type": "color"
            },
            "200": {
                "value": "#B3CEF9",
                "type": "color"
            },
            "300": {
                "value": "#80ABEF",
                "type": "color"
            },
            "400": {
                "value": "#5288E0",
                "type": "color"
            },
            "500": {
                "value": "#2F69C6",
                "type": "color"
            },
            "600": {
                "value": "#2B5496",
                "type": "color"
            },
            "700": {
                "value": "#253F6A",
                "type": "color"
            },
            "800": {
                "value": "#1C2C45",
                "type": "color"
            },
            "900": {
                "value": "#131C2A",
                "type": "color"
            }
        }
    }
}