What color is #2637BB?

#2637BB is a medium blue. In RGB it is rgb(38, 55, 187), and in HSL hsl(233, 66%, 44%).

Is #2637BB accessible as text?

On white, #2637BB has a contrast ratio of 8.95:1 (passes WCAG AA for body text); on black it is 2.35:1 (fails). For text placed on #2637BB, use white for the best readability.

What is the closest Tailwind color to #2637BB?

The nearest Tailwind CSS token is blue-800 (#193CB8).

What colors go well with #2637BB?

#2637BB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BAA926. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2637BB below.

Is #2637BB good for buttons?

#2637BB works well for buttons and highlights, but use white text on #2637BB — black text only reaches 2.35:1, below the 4.5:1 needed for normal-size labels.

Is #2637BB the same as CSS mediumblue?

No — #2637BB is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#2637BB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2637BB

Not just a swatch — here's how #2637BB works with other colors. Named schemes with #2637BB in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #2637BB Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #4563D9

Egyptian 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 Egyptian Blue.

Coastal Morning Lead · 5 colors

Lead #2637BB Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Egyptian Blue 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 #2637BB Surface #F6E5D8 Anchor #5B2143 Accent #E5C2CA Secondary #322B2F

Egyptian Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #2637BB Secondary #6474A0 Support #9D8F88 Ink #18140F

Egyptian 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 Egyptian Blue carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #2637BB Secondary #E86A74 Accent #F69250 Anchor #573B58 Surface #F7E7D7

Egyptian Blue glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

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Color Lab

How #2637BB 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 11/100

Cool

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 62/100

High

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 20/100

Very low

Clean and current — no dusty, aged cast.

Luxury 57/100

Moderate

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

Brand distinctiveness 79/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 70/100

High

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

Surface fit 12/100

Very low

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

Print safety 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #2637BB

For UI

For branding

For interior

For fashion

People also use #2637BB with

Carolina Blue Grape Brass 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 8.9:1. Use

Subtle surface Use #D5D8F0 for cards and hover fills. Tint 80

Avoid beside #4626BA — 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 #2637BB 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: #2637BB;
  --color-base-rgb: 38 55 187;
  --color-base-oklch: oklch(42.4% 0.204 269.0);
  --color-50: #F2F3FD;
  --color-100: #DCE0F9;
  --color-200: #BBC2F1;
  --color-300: #8D97E2;
  --color-400: #626FD0;
  --color-500: #404EB5;
  --color-600: #38418A;
  --color-700: #2D3362;
  --color-800: #212440;
  --color-900: #161828;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  egyptian-blue: {
    50: '#F2F3FD',
    100: '#DCE0F9',
    200: '#BBC2F1',
    300: '#8D97E2',
    400: '#626FD0',
    500: '#404EB5',
    600: '#38418A',
    700: '#2D3362',
    800: '#212440',
    900: '#161828',
  },
}

$base: #2637BB;
$base-ink: #FFFFFF;
$base-50: #F2F3FD;
$base-100: #DCE0F9;
$base-200: #BBC2F1;
$base-300: #8D97E2;
$base-400: #626FD0;
$base-500: #404EB5;
$base-600: #38418A;
$base-700: #2D3362;
$base-800: #212440;
$base-900: #161828;
$base-hover: #1F2C95;
$base-subtle: #BFC4EA;

{
    "color": {
        "base": {
            "value": "#2637BB",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F3FD",
                "type": "color"
            },
            "100": {
                "value": "#DCE0F9",
                "type": "color"
            },
            "200": {
                "value": "#BBC2F1",
                "type": "color"
            },
            "300": {
                "value": "#8D97E2",
                "type": "color"
            },
            "400": {
                "value": "#626FD0",
                "type": "color"
            },
            "500": {
                "value": "#404EB5",
                "type": "color"
            },
            "600": {
                "value": "#38418A",
                "type": "color"
            },
            "700": {
                "value": "#2D3362",
                "type": "color"
            },
            "800": {
                "value": "#212440",
                "type": "color"
            },
            "900": {
                "value": "#161828",
                "type": "color"
            }
        }
    }
}

Palettes built on #2637BB

Color Lab

Pairs with #2637BB

UI roles & guardrails

In real applications

Scales

Every model

Export