What color is #0A2CD4?

#0A2CD4 is a medium, vivid blue. In RGB it is rgb(10, 44, 212), and in HSL hsl(230, 91%, 44%).

Is #0A2CD4 accessible as text?

On white, #0A2CD4 has a contrast ratio of 9.04:1 (passes WCAG AA for body text); on black it is 2.32:1 (fails). For text placed on #0A2CD4, use white for the best readability.

What is the closest Tailwind color to #0A2CD4?

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

What colors go well with #0A2CD4?

#0A2CD4 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D6B40A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0A2CD4 below.

Is #0A2CD4 good for buttons?

#0A2CD4 works well for buttons and highlights, but use white text on #0A2CD4 — black text only reaches 2.32:1, below the 4.5:1 needed for normal-size labels.

Is #0A2CD4 the same as CSS mediumblue?

No — #0A2CD4 is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#0A2CD4 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0A2CD4

Not just a swatch — here's how #0A2CD4 works with other colors. Named schemes with #0A2CD4 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #0A2CD4 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #2D60F1

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 #0A2CD4 Accent #A5C4C2 Surface #DDDBBF 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 #0A2CD4 Surface #F6E5D8 Anchor #5B2144 Accent #E5C2CA 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 #0A2CD4 Secondary #5D76AA 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 #0A2CD4 Secondary #E76A75 Accent #F79251 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 #0A2CD4 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 9/100

Cool

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

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 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 7/100

Very low

Clean and current — no dusty, aged cast.

Luxury 53/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 96/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 52/100

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 54/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #0A2CD4

For UI

For branding

For interior

For fashion

People also use #0A2CD4 with

Deep Sky Blue Han Purple 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 9.0:1. Use

Subtle surface Use #D0D6F5 for cards and hover fills. Tint 80

Avoid beside #2C0AD6 — 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 #0A2CD4 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: #0A2CD4;
  --color-base-rgb: 10 44 212;
  --color-base-oklch: oklch(42.7% 0.249 264.9);
  --color-50: #F0F3FE;
  --color-100: #D8DEFD;
  --color-200: #B1BEFB;
  --color-300: #7D90F2;
  --color-400: #4E67E4;
  --color-500: #2A45CB;
  --color-600: #283B9A;
  --color-700: #232F6C;
  --color-800: #1B2246;
  --color-900: #12162B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  medium-blue: {
    50: '#F0F3FE',
    100: '#D8DEFD',
    200: '#B1BEFB',
    300: '#7D90F2',
    400: '#4E67E4',
    500: '#2A45CB',
    600: '#283B9A',
    700: '#232F6C',
    800: '#1B2246',
    900: '#12162B',
  },
}

$base: #0A2CD4;
$base-ink: #FFFFFF;
$base-50: #F0F3FE;
$base-100: #D8DEFD;
$base-200: #B1BEFB;
$base-300: #7D90F2;
$base-400: #4E67E4;
$base-500: #2A45CB;
$base-600: #283B9A;
$base-700: #232F6C;
$base-800: #1B2246;
$base-900: #12162B;
$base-hover: #0823AB;
$base-subtle: #B7C0F2;

{
    "color": {
        "base": {
            "value": "#0A2CD4",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F3FE",
                "type": "color"
            },
            "100": {
                "value": "#D8DEFD",
                "type": "color"
            },
            "200": {
                "value": "#B1BEFB",
                "type": "color"
            },
            "300": {
                "value": "#7D90F2",
                "type": "color"
            },
            "400": {
                "value": "#4E67E4",
                "type": "color"
            },
            "500": {
                "value": "#2A45CB",
                "type": "color"
            },
            "600": {
                "value": "#283B9A",
                "type": "color"
            },
            "700": {
                "value": "#232F6C",
                "type": "color"
            },
            "800": {
                "value": "#1B2246",
                "type": "color"
            },
            "900": {
                "value": "#12162B",
                "type": "color"
            }
        }
    }
}

Palettes built on #0A2CD4

Color Lab

Pairs with #0A2CD4

UI roles & guardrails

In real applications

Scales

Every model

Export