What color is #2500DD?

#2500DD is a medium, vivid indigo. In RGB it is rgb(37, 0, 221), and in HSL hsl(250, 100%, 43%).

Is #2500DD accessible as text?

On white, #2500DD has a contrast ratio of 9.89:1 (passes WCAG AA for body text); on black it is 2.12:1 (fails). For text placed on #2500DD, use white for the best readability.

What is the closest Tailwind color to #2500DD?

The nearest Tailwind CSS token is indigo-700 (#432DD7).

What colors go well with #2500DD?

#2500DD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B7DB00. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2500DD below.

Is #2500DD good for buttons?

#2500DD works well for buttons and highlights, but use white text on #2500DD — black text only reaches 2.12:1, below the 4.5:1 needed for normal-size labels.

Is #2500DD the same as CSS mediumblue?

No — #2500DD is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#2500DD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2500DD

Not just a swatch — here's how #2500DD works with other colors. Named schemes with #2500DD in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #2500DD Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #3A52F9

Medium 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 Medium Blue.

Coastal Morning Lead · 5 colors

Lead #2500DD Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Medium 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 #2500DD Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 Secondary #322B2F

Medium 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 #2500DD Secondary #5C70AC Support #9D8F88 Ink #18140F

Medium 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 Medium Blue carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #2500DD Secondary #E86A74 Accent #F69250 Anchor #573B58 Surface #F7E7D7

Medium Blue 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 #2500DD 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 20/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

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 0/100

Very low

Clean and current — no dusty, aged cast.

Luxury 52/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 100/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 39/100

Low

Workable accent with care around contrast.

Surface fit 13/100

Very low

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

Print safety 53/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #2500DD

For UI

For branding

For interior

For fashion

People also use #2500DD with

Neon Blue Dark Violet Peridot 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 9.9:1. Use

Subtle surface Use #D4CDF7 for cards and hover fills. Tint 80

Avoid beside #6E00DB — 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 #2500DD 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: #2500DD;
  --color-base-rgb: 37 0 221;
  --color-base-oklch: oklch(41.6% 0.274 269.3);
  --color-50: #F3F0FE;
  --color-100: #DED8FD;
  --color-200: #BDB1FC;
  --color-300: #8D77F8;
  --color-400: #6246EC;
  --color-500: #4022D2;
  --color-600: #37239F;
  --color-700: #2C1F70;
  --color-800: #201848;
  --color-900: #16112C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  medium-blue: {
    50: '#F3F0FE',
    100: '#DED8FD',
    200: '#BDB1FC',
    300: '#8D77F8',
    400: '#6246EC',
    500: '#4022D2',
    600: '#37239F',
    700: '#2C1F70',
    800: '#201848',
    900: '#16112C',
  },
}

$base: #2500DD;
$base-ink: #FFFFFF;
$base-50: #F3F0FE;
$base-100: #DED8FD;
$base-200: #BDB1FC;
$base-300: #8D77F8;
$base-400: #6246EC;
$base-500: #4022D2;
$base-600: #37239F;
$base-700: #2C1F70;
$base-800: #201848;
$base-900: #16112C;
$base-hover: #1D00AF;
$base-subtle: #BDB2F5;

{
    "color": {
        "base": {
            "value": "#2500DD",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F0FE",
                "type": "color"
            },
            "100": {
                "value": "#DED8FD",
                "type": "color"
            },
            "200": {
                "value": "#BDB1FC",
                "type": "color"
            },
            "300": {
                "value": "#8D77F8",
                "type": "color"
            },
            "400": {
                "value": "#6246EC",
                "type": "color"
            },
            "500": {
                "value": "#4022D2",
                "type": "color"
            },
            "600": {
                "value": "#37239F",
                "type": "color"
            },
            "700": {
                "value": "#2C1F70",
                "type": "color"
            },
            "800": {
                "value": "#201848",
                "type": "color"
            },
            "900": {
                "value": "#16112C",
                "type": "color"
            }
        }
    }
}

Palettes built on #2500DD

Color Lab

Pairs with #2500DD

UI roles & guardrails

In real applications

Scales

Every model

Export