What color is #2828CD?

#2828CD is a medium blue. In RGB it is rgb(40, 40, 205), and in HSL hsl(240, 67%, 48%).

Is #2828CD accessible as text?

On white, #2828CD has a contrast ratio of 9.23:1 (passes WCAG AA for body text); on black it is 2.28:1 (fails). For text placed on #2828CD, use white for the best readability.

What is the closest Tailwind color to #2828CD?

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

What colors go well with #2828CD?

#2828CD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CCCC28. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2828CD below.

Is #2828CD good for buttons?

#2828CD works well for buttons and highlights, but use white text on #2828CD — black text only reaches 2.28:1, below the 4.5:1 needed for normal-size labels.

Is #2828CD the same as CSS mediumblue?

No — #2828CD is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#2828CD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2828CD

Not just a swatch — here's how #2828CD works with other colors. Named schemes with #2828CD in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #2828CD Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #435CEA

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 #2828CD 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 #2828CD 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 #2828CD Secondary #6273A7 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 #2828CD Secondary #E86A73 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 #2828CD 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 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 63/100

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 10/100

Very low

Clean and current — no dusty, aged cast.

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 92/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 56/100

Moderate

Workable accent with care around contrast.

Surface fit 12/100

Very low

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

Print safety 59/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #2828CD

For UI

For branding

For interior

For fashion

People also use #2828CD with

Carolina Blue Blue Violet Citrine 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 9.2:1. Use

Subtle surface Use #D8D8F1 for cards and hover fills. Tint 80

Avoid beside #5F28CC — 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 #2828CD 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: #2828CD;
  --color-base-rgb: 40 40 205;
  --color-base-oklch: oklch(42.4% 0.239 270.1);
  --color-50: #F2F2FD;
  --color-100: #DCDCF9;
  --color-200: #BBBBF1;
  --color-300: #8C8CE3;
  --color-400: #6262D0;
  --color-500: #3F3FB5;
  --color-600: #37378B;
  --color-700: #2C2C62;
  --color-800: #202041;
  --color-900: #161628;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  medium-blue: {
    50: '#F2F2FD',
    100: '#DCDCF9',
    200: '#BBBBF1',
    300: '#8C8CE3',
    400: '#6262D0',
    500: '#3F3FB5',
    600: '#37378B',
    700: '#2C2C62',
    800: '#202041',
    900: '#161628',
  },
}

$base: #2828CD;
$base-ink: #FFFFFF;
$base-50: #F2F2FD;
$base-100: #DCDCF9;
$base-200: #BBBBF1;
$base-300: #8C8CE3;
$base-400: #6262D0;
$base-500: #3F3FB5;
$base-600: #37378B;
$base-700: #2C2C62;
$base-800: #202041;
$base-900: #161628;
$base-hover: #2020A4;
$base-subtle: #C3C3EB;

{
    "color": {
        "base": {
            "value": "#2828CD",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F2FD",
                "type": "color"
            },
            "100": {
                "value": "#DCDCF9",
                "type": "color"
            },
            "200": {
                "value": "#BBBBF1",
                "type": "color"
            },
            "300": {
                "value": "#8C8CE3",
                "type": "color"
            },
            "400": {
                "value": "#6262D0",
                "type": "color"
            },
            "500": {
                "value": "#3F3FB5",
                "type": "color"
            },
            "600": {
                "value": "#37378B",
                "type": "color"
            },
            "700": {
                "value": "#2C2C62",
                "type": "color"
            },
            "800": {
                "value": "#202041",
                "type": "color"
            },
            "900": {
                "value": "#161628",
                "type": "color"
            }
        }
    }
}

Palettes built on #2828CD

Color Lab

Pairs with #2828CD

UI roles & guardrails

In real applications

Scales

Every model

Export