What color is #1370DA?

#1370DA is a medium, vivid blue. In RGB it is rgb(19, 112, 218), and in HSL hsl(212, 84%, 46%).

Is #1370DA accessible as text?

On white, #1370DA has a contrast ratio of 4.82:1 (passes WCAG AA for body text); on black it is 4.36:1 (fails). For text placed on #1370DA, use white for the best readability.

What is the closest Tailwind color to #1370DA?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #1370DA?

#1370DA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D87C13. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1370DA below.

Is #1370DA good for buttons?

#1370DA works well for buttons and highlights, but use white text on #1370DA — black text only reaches 4.36:1, below the 4.5:1 needed for normal-size labels.

Is #1370DA the same as CSS royalblue?

No — #1370DA is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#1370DA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1370DA

Not just a swatch — here's how #1370DA works with other colors. Named schemes with #1370DA in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #1370DA Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

True Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Tech Product Signal · 5 colors

Signal #1370DA Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4D97F9

True 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 True Blue.

Vintage Leather Lead · 5 colors

Lead #1370DA Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57233B

True Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Berry & Cream Lead · 5 colors

Lead #1370DA Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CA Secondary #322B2F

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #1370DA Secondary #849FC5 Support #9D8F89 Ink #16140F

True 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 True Blue carrying the quiet middle.

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Color Lab

How #1370DA 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 5/100

Cool

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

Softness 37/100

Low

Middle-weight — neither delicate nor heavy.

Depth 47/100

Moderate

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 48/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 92/100

Very high

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

Surface fit 13/100

Very low

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

Print safety 63/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #1370DA

For UI

For branding

For interior

For fashion

People also use #1370DA with

Turquoise Medium Blue Ochre Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 4.8:1. Use

Subtle surface Use #D3E2F4 for cards and hover fills. Tint 80

Avoid beside #132DD8 — 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 #1370DA 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: #1370DA;
  --color-base-rgb: 19 112 218;
  --color-base-oklch: oklch(55.6% 0.181 256.2);
  --color-50: #F0F7FE;
  --color-100: #D8E9FD;
  --color-200: #B4D4F8;
  --color-300: #81B4EE;
  --color-400: #5394DF;
  --color-500: #3075C4;
  --color-600: #2D5D95;
  --color-700: #254569;
  --color-800: #1C2F45;
  --color-900: #131E2A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  true-blue: {
    50: '#F0F7FE',
    100: '#D8E9FD',
    200: '#B4D4F8',
    300: '#81B4EE',
    400: '#5394DF',
    500: '#3075C4',
    600: '#2D5D95',
    700: '#254569',
    800: '#1C2F45',
    900: '#131E2A',
  },
}

$base: #1370DA;
$base-ink: #FFFFFF;
$base-50: #F0F7FE;
$base-100: #D8E9FD;
$base-200: #B4D4F8;
$base-300: #81B4EE;
$base-400: #5394DF;
$base-500: #3075C4;
$base-600: #2D5D95;
$base-700: #254569;
$base-800: #1C2F45;
$base-900: #131E2A;
$base-hover: #0F59AD;
$base-subtle: #BBD4F0;

{
    "color": {
        "base": {
            "value": "#1370DA",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F7FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E9FD",
                "type": "color"
            },
            "200": {
                "value": "#B4D4F8",
                "type": "color"
            },
            "300": {
                "value": "#81B4EE",
                "type": "color"
            },
            "400": {
                "value": "#5394DF",
                "type": "color"
            },
            "500": {
                "value": "#3075C4",
                "type": "color"
            },
            "600": {
                "value": "#2D5D95",
                "type": "color"
            },
            "700": {
                "value": "#254569",
                "type": "color"
            },
            "800": {
                "value": "#1C2F45",
                "type": "color"
            },
            "900": {
                "value": "#131E2A",
                "type": "color"
            }
        }
    }
}

Palettes built on #1370DA

Color Lab

Pairs with #1370DA

UI roles & guardrails

In real applications

Scales

Every model

Export