What color is #170C4E?

#170C4E is a dark, vivid indigo. In RGB it is rgb(23, 12, 78), and in HSL hsl(250, 73%, 18%).

Is #170C4E accessible as text?

On white, #170C4E has a contrast ratio of 17.51:1 (passes WCAG AA for body text); on black it is 1.20:1 (fails). For text placed on #170C4E, use white for the best readability.

What is the closest Tailwind color to #170C4E?

The nearest Tailwind CSS token is indigo-950 (#1E1A4D).

What colors go well with #170C4E?

#170C4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #444F0C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #170C4E below.

Is #170C4E good for buttons?

#170C4E works well for buttons and highlights, but use white text on #170C4E — black text only reaches 1.20:1, below the 4.5:1 needed for normal-size labels.

Is #170C4E the same as CSS midnightblue?

No — #170C4E is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#170C4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #170C4E

Not just a swatch — here's how #170C4E works with other colors. Named schemes with #170C4E in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #170C4E Anchor #141210 Accent #DB9758 Secondary #272833 Surface #F3ECE3

Navy 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 #170C4E Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #08001C

Navy 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 Navy.

Coastal Morning Lead · 5 colors

Lead #170C4E Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

Navy 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 #170C4E Secondary #7F4534 Surface #EDD7C2 Accent #365247 Anchor #582238

Navy 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 #170C4E Secondary #3B3D54 Support #9D9088 Ink #18140F

Navy 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 Navy carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #170C4E 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 29/100

Cool

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

Softness 20/100

Low

Firm and assertive — carries weight and contrast.

Depth 78/100

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 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 81/100

Very high

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

Brand distinctiveness 43/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 20/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 36/100

Low

Usable as a tinted surface in measured doses.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #170C4E

For UI

For branding

For interior

For fashion

People also use #170C4E with

Yale Blue Russian Violet Army 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 17.5:1. Use

Subtle surface Use #C7BFEB for cards and hover fills. Tint 80

Avoid beside #2E0C4F — 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 #170C4E 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: #170C4E;
  --color-base-rgb: 23 12 78;
  --color-base-oklch: oklch(22.7% 0.112 280.2);
  --color-50: #F3F1FD;
  --color-100: #E0DBFA;
  --color-200: #C2B9F4;
  --color-300: #9888E7;
  --color-400: #715DD5;
  --color-500: #503ABB;
  --color-600: #43338E;
  --color-700: #342A65;
  --color-800: #251F42;
  --color-900: #181528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F3F1FD',
    100: '#E0DBFA',
    200: '#C2B9F4',
    300: '#9888E7',
    400: '#715DD5',
    500: '#503ABB',
    600: '#43338E',
    700: '#342A65',
    800: '#251F42',
    900: '#181528',
  },
}

$base: #170C4E;
$base-ink: #FFFFFF;
$base-50: #F3F1FD;
$base-100: #E0DBFA;
$base-200: #C2B9F4;
$base-300: #9888E7;
$base-400: #715DD5;
$base-500: #503ABB;
$base-600: #43338E;
$base-700: #342A65;
$base-800: #251F42;
$base-900: #181528;
$base-hover: #130A40;
$base-subtle: #A99DE3;

{
    "color": {
        "base": {
            "value": "#170C4E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F1FD",
                "type": "color"
            },
            "100": {
                "value": "#E0DBFA",
                "type": "color"
            },
            "200": {
                "value": "#C2B9F4",
                "type": "color"
            },
            "300": {
                "value": "#9888E7",
                "type": "color"
            },
            "400": {
                "value": "#715DD5",
                "type": "color"
            },
            "500": {
                "value": "#503ABB",
                "type": "color"
            },
            "600": {
                "value": "#43338E",
                "type": "color"
            },
            "700": {
                "value": "#342A65",
                "type": "color"
            },
            "800": {
                "value": "#251F42",
                "type": "color"
            },
            "900": {
                "value": "#181528",
                "type": "color"
            }
        }
    }
}