What color is #102497?

#102497 is a dark, vivid blue. In RGB it is rgb(16, 36, 151), and in HSL hsl(231, 81%, 33%).

Is #102497 accessible as text?

On white, #102497 has a contrast ratio of 12.20:1 (passes WCAG AA for body text); on black it is 1.72:1 (fails). For text placed on #102497, use white for the best readability.

What is the closest Tailwind color to #102497?

The nearest Tailwind CSS token is blue-900 (#1C398E).

What colors go well with #102497?

#102497 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #988410. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #102497 below.

Is #102497 good for buttons?

#102497 works well for buttons and highlights, but use white text on #102497 — black text only reaches 1.72:1, below the 4.5:1 needed for normal-size labels.

Is #102497 the same as CSS darkblue?

No — #102497 is not the CSS named color darkblue, but darkblue (#00008B) is the closest CSS named color.

#102497 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #102497

Not just a swatch — here's how #102497 works with other colors. Named schemes with #102497 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #102497 Anchor #141210 Accent #DD965A Secondary #242933 Surface #F4ECE3

Klein 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 #102497 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #1C0254

Klein 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 Klein Blue.

Coastal Morning Lead · 5 colors

Lead #102497 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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

Vintage Leather Lead · 5 colors

Lead #102497 Secondary #7F4536 Surface #EED7C2 Accent #365246 Anchor #58223A

Klein 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 #F8F4EF Accent #102497 Secondary #4E5E84 Support #9D8F88 Ink #18140F

Klein 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 Klein Blue carrying the quiet middle.

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Color Lab

How #102497 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 10/100

Cool

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

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 21/100

Low

Clean and current — no dusty, aged cast.

Luxury 65/100

High

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

Brand distinctiveness 71/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 52/100

Moderate

Workable accent with care around contrast.

Surface fit 17/100

Very low

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

Print safety 67/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #102497

For UI

For branding

For interior

For fashion

People also use #102497 with

Bondi Blue Indigo Olive 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 12.2:1. Use

Subtle surface Use #C9CFF1 for cards and hover fills. Tint 80

Avoid beside #291098 — 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 #102497 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: #102497;
  --color-base-rgb: 16 36 151;
  --color-base-oklch: oklch(34.6% 0.185 266.4);
  --color-50: #F1F3FE;
  --color-100: #D9DEFC;
  --color-200: #B5BFF7;
  --color-300: #8393EC;
  --color-400: #566ADC;
  --color-500: #3348C2;
  --color-600: #2E3E93;
  --color-700: #273168;
  --color-800: #1D2344;
  --color-900: #14172A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  klein-blue: {
    50: '#F1F3FE',
    100: '#D9DEFC',
    200: '#B5BFF7',
    300: '#8393EC',
    400: '#566ADC',
    500: '#3348C2',
    600: '#2E3E93',
    700: '#273168',
    800: '#1D2344',
    900: '#14172A',
  },
}

$base: #102497;
$base-ink: #FFFFFF;
$base-50: #F1F3FE;
$base-100: #D9DEFC;
$base-200: #B5BFF7;
$base-300: #8393EC;
$base-400: #566ADC;
$base-500: #3348C2;
$base-600: #2E3E93;
$base-700: #273168;
$base-800: #1D2344;
$base-900: #14172A;
$base-hover: #0D1D7A;
$base-subtle: #ACB6EB;

{
    "color": {
        "base": {
            "value": "#102497",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F3FE",
                "type": "color"
            },
            "100": {
                "value": "#D9DEFC",
                "type": "color"
            },
            "200": {
                "value": "#B5BFF7",
                "type": "color"
            },
            "300": {
                "value": "#8393EC",
                "type": "color"
            },
            "400": {
                "value": "#566ADC",
                "type": "color"
            },
            "500": {
                "value": "#3348C2",
                "type": "color"
            },
            "600": {
                "value": "#2E3E93",
                "type": "color"
            },
            "700": {
                "value": "#273168",
                "type": "color"
            },
            "800": {
                "value": "#1D2344",
                "type": "color"
            },
            "900": {
                "value": "#14172A",
                "type": "color"
            }
        }
    }
}

Palettes built on #102497

Color Lab

Pairs with #102497

UI roles & guardrails

In real applications

Scales

Every model

Export