What color is #113EC3?

#113EC3 is a medium, vivid blue. In RGB it is rgb(17, 62, 195), and in HSL hsl(225, 84%, 42%).

Is #113EC3 accessible as text?

On white, #113EC3 has a contrast ratio of 8.40:1 (passes WCAG AA for body text); on black it is 2.50:1 (fails). For text placed on #113EC3, use white for the best readability.

What is the closest Tailwind color to #113EC3?

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

What colors go well with #113EC3?

#113EC3 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C59811. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #113EC3 below.

Is #113EC3 good for buttons?

#113EC3 works well for buttons and highlights, but use white text on #113EC3 — black text only reaches 2.50:1, below the 4.5:1 needed for normal-size labels.

Is #113EC3 the same as CSS mediumblue?

No — #113EC3 is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#113EC3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #113EC3

Not just a swatch — here's how #113EC3 works with other colors. Named schemes with #113EC3 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #113EC3 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #3869E1

Cobalt 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 Cobalt Blue.

Coastal Morning Lead · 5 colors

Lead #113EC3 Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

Cobalt 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 #113EC3 Surface #F6E5D8 Anchor #5B2144 Accent #E5C2CA Secondary #322B2F

Cobalt 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 #113EC3 Secondary #6379A6 Support #9D8F88 Ink #18140F

Cobalt 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 Cobalt Blue carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #113EC3 Secondary #E76A75 Accent #F79251 Anchor #573B58 Surface #F7E7D7

Cobalt 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 #113EC3 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 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 61/100

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 18/100

Very low

Clean and current — no dusty, aged cast.

Luxury 55/100

Moderate

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

Brand distinctiveness 82/100

Very 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 61/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #113EC3

For UI

For branding

For interior

For fashion

People also use #113EC3 with

Lagoon Blue Han Purple Dijon Gainsboro Charcoal

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 8.4:1. Use

Subtle surface Use #D0D8F3 for cards and hover fills. Tint 80

Avoid beside #2011C5 — 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 #113EC3 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: #113EC3;
  --color-base-rgb: 17 62 195;
  --color-base-oklch: oklch(43.7% 0.211 264.3);
  --color-50: #F0F4FE;
  --color-100: #D8E2FD;
  --color-200: #B4C5F8;
  --color-300: #819CEE;
  --color-400: #5376DF;
  --color-500: #3055C4;
  --color-600: #2D4795;
  --color-700: #253669;
  --color-800: #1C2645;
  --color-900: #13192A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  cobalt-blue: {
    50: '#F0F4FE',
    100: '#D8E2FD',
    200: '#B4C5F8',
    300: '#819CEE',
    400: '#5376DF',
    500: '#3055C4',
    600: '#2D4795',
    700: '#253669',
    800: '#1C2645',
    900: '#13192A',
  },
}

$base: #113EC3;
$base-ink: #FFFFFF;
$base-50: #F0F4FE;
$base-100: #D8E2FD;
$base-200: #B4C5F8;
$base-300: #819CEE;
$base-400: #5376DF;
$base-500: #3055C4;
$base-600: #2D4795;
$base-700: #253669;
$base-800: #1C2645;
$base-900: #13192A;
$base-hover: #0E329E;
$base-subtle: #B6C4EF;

{
    "color": {
        "base": {
            "value": "#113EC3",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F4FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E2FD",
                "type": "color"
            },
            "200": {
                "value": "#B4C5F8",
                "type": "color"
            },
            "300": {
                "value": "#819CEE",
                "type": "color"
            },
            "400": {
                "value": "#5376DF",
                "type": "color"
            },
            "500": {
                "value": "#3055C4",
                "type": "color"
            },
            "600": {
                "value": "#2D4795",
                "type": "color"
            },
            "700": {
                "value": "#253669",
                "type": "color"
            },
            "800": {
                "value": "#1C2645",
                "type": "color"
            },
            "900": {
                "value": "#13192A",
                "type": "color"
            }
        }
    }
}

Palettes built on #113EC3

Color Lab

Pairs with #113EC3

UI roles & guardrails

In real applications

Scales

Every model

Export