What color is #1A166B?

#1A166B is a dark blue-violet. In RGB it is rgb(26, 22, 107), and in HSL hsl(243, 66%, 25%).

Is #1A166B accessible as text?

On white, #1A166B has a contrast ratio of 15.32:1 (passes WCAG AA for body text); on black it is 1.37:1 (fails). For text placed on #1A166B, use white for the best readability.

What is the closest Tailwind color to #1A166B?

The nearest Tailwind CSS token is violet-950 (#2F0D68).

What colors go well with #1A166B?

#1A166B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #666A16. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1A166B below.

Is #1A166B good for buttons?

#1A166B works well for buttons and highlights, but use white text on #1A166B — black text only reaches 1.37:1, below the 4.5:1 needed for normal-size labels.

Is #1A166B the same as CSS midnightblue?

No — #1A166B is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#1A166B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1A166B

Not just a swatch — here's how #1A166B works with other colors. Named schemes with #1A166B in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #1A166B Anchor #141210 Accent #DC9659 Secondary #262833 Surface #F3ECE3

Midnight 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 #1A166B Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #120032

Midnight 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 Midnight Blue.

Coastal Morning Lead · 5 colors

Lead #1A166B Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Midnight 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 #1A166B Secondary #7F4535 Surface #EED7C2 Accent #365247 Anchor #582239

Midnight 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 #1A166B Secondary #444B68 Support #9D9088 Ink #18140F

Midnight 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 Midnight Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #1A166B 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 20/100

Cool

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

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 74/100

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 28/100

Low

A faint retro warmth without tipping into sepia.

Luxury 74/100

High

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

Brand distinctiveness 54/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 33/100

Low

Workable accent with care around contrast.

Surface fit 24/100

Low

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

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1A166B

For UI

For branding

For interior

For fashion

People also use #1A166B with

Classic Blue Indigo Dark Olive Green 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 15.3:1. Use

Subtle surface Use #C8C7EB for cards and hover fills. Tint 80

Avoid beside #36166A — 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 #1A166B 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: #1A166B;
  --color-base-rgb: 26 22 107;
  --color-base-oklch: oklch(27.8% 0.140 274.5);
  --color-50: #F2F2FD;
  --color-100: #DEDCF9;
  --color-200: #BEBBF1;
  --color-300: #918DE2;
  --color-400: #6862D0;
  --color-500: #4640B5;
  --color-600: #3C388A;
  --color-700: #2F2D62;
  --color-800: #222140;
  --color-900: #171628;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  midnight-blue: {
    50: '#F2F2FD',
    100: '#DEDCF9',
    200: '#BEBBF1',
    300: '#918DE2',
    400: '#6862D0',
    500: '#4640B5',
    600: '#3C388A',
    700: '#2F2D62',
    800: '#222140',
    900: '#171628',
  },
}

$base: #1A166B;
$base-ink: #FFFFFF;
$base-50: #F2F2FD;
$base-100: #DEDCF9;
$base-200: #BEBBF1;
$base-300: #918DE2;
$base-400: #6862D0;
$base-500: #4640B5;
$base-600: #3C388A;
$base-700: #2F2D62;
$base-800: #222140;
$base-900: #171628;
$base-hover: #151155;
$base-subtle: #ACA9E2;

{
    "color": {
        "base": {
            "value": "#1A166B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F2FD",
                "type": "color"
            },
            "100": {
                "value": "#DEDCF9",
                "type": "color"
            },
            "200": {
                "value": "#BEBBF1",
                "type": "color"
            },
            "300": {
                "value": "#918DE2",
                "type": "color"
            },
            "400": {
                "value": "#6862D0",
                "type": "color"
            },
            "500": {
                "value": "#4640B5",
                "type": "color"
            },
            "600": {
                "value": "#3C388A",
                "type": "color"
            },
            "700": {
                "value": "#2F2D62",
                "type": "color"
            },
            "800": {
                "value": "#222140",
                "type": "color"
            },
            "900": {
                "value": "#171628",
                "type": "color"
            }
        }
    }
}

Palettes built on #1A166B

Color Lab

Pairs with #1A166B

UI roles & guardrails

In real applications

Scales

Every model

Export