What color is #103E72?

#103E72 is a dark, vivid blue. In RGB it is rgb(16, 62, 114), and in HSL hsl(212, 75%, 25%).

Is #103E72 accessible as text?

On white, #103E72 has a contrast ratio of 10.75:1 (passes WCAG AA for body text); on black it is 1.95:1 (fails). For text placed on #103E72, use white for the best readability.

What is the closest Tailwind color to #103E72?

The nearest Tailwind CSS token is sky-900 (#024A70).

What colors go well with #103E72?

#103E72 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #704310. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #103E72 below.

Is #103E72 good for buttons?

#103E72 works well for buttons and highlights, but use white text on #103E72 — black text only reaches 1.95:1, below the 4.5:1 needed for normal-size labels.

Is #103E72 the same as CSS darkslateblue?

No — #103E72 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#103E72 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #103E72

Not just a swatch — here's how #103E72 works with other colors. Named schemes with #103E72 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #103E72 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Luxury Packaging Feature · 5 colors

Feature #103E72 Anchor #141210 Accent #AEAE52 Secondary #222933 Surface #F0EEE3

Yale Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #103E72 Anchor #2A2A2E Secondary #6E6E74 Surface #E9E7DA Accent #151C42

Yale Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Yale Blue.

Vintage Leather Lead · 5 colors

Lead #103E72 Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57233B

Yale 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #103E72 Secondary #576679 Support #9D8F89 Ink #16140F

Yale 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 Yale Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #103E72 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 22/100

Cool

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

Softness 32/100

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 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 39/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 58/100

Moderate

Workable accent with care around contrast.

Surface fit 30/100

Low

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #103E72

For UI

For branding

For interior

For fashion

People also use #103E72 with

Dark Cyan Midnight Blue Sepia 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 10.7:1. Use

Subtle surface Use #C4D7ED for cards and hover fills. Tint 80

Avoid beside #101D70 — 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 #103E72 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: #103E72;
  --color-base-rgb: 16 62 114;
  --color-base-oklch: oklch(36.4% 0.102 254.6);
  --color-50: #F1F7FE;
  --color-100: #DAEAFB;
  --color-200: #B8D4F5;
  --color-300: #87B4E8;
  --color-400: #5B95D7;
  --color-500: #3876BC;
  --color-600: #325E90;
  --color-700: #294566;
  --color-800: #1E2F42;
  --color-900: #141E29;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  yale-blue: {
    50: '#F1F7FE',
    100: '#DAEAFB',
    200: '#B8D4F5',
    300: '#87B4E8',
    400: '#5B95D7',
    500: '#3876BC',
    600: '#325E90',
    700: '#294566',
    800: '#1E2F42',
    900: '#141E29',
  },
}

$base: #103E72;
$base-ink: #FFFFFF;
$base-50: #F1F7FE;
$base-100: #DAEAFB;
$base-200: #B8D4F5;
$base-300: #87B4E8;
$base-400: #5B95D7;
$base-500: #3876BC;
$base-600: #325E90;
$base-700: #294566;
$base-800: #1E2F42;
$base-900: #141E29;
$base-hover: #0D3059;
$base-subtle: #A5C3E6;

{
    "color": {
        "base": {
            "value": "#103E72",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F7FE",
                "type": "color"
            },
            "100": {
                "value": "#DAEAFB",
                "type": "color"
            },
            "200": {
                "value": "#B8D4F5",
                "type": "color"
            },
            "300": {
                "value": "#87B4E8",
                "type": "color"
            },
            "400": {
                "value": "#5B95D7",
                "type": "color"
            },
            "500": {
                "value": "#3876BC",
                "type": "color"
            },
            "600": {
                "value": "#325E90",
                "type": "color"
            },
            "700": {
                "value": "#294566",
                "type": "color"
            },
            "800": {
                "value": "#1E2F42",
                "type": "color"
            },
            "900": {
                "value": "#141E29",
                "type": "color"
            }
        }
    }
}

Palettes built on #103E72

Color Lab

Pairs with #103E72

UI roles & guardrails

In real applications

Scales

Every model

Export