What color is #2F166B?

#2F166B is a dark indigo. In RGB it is rgb(47, 22, 107), and in HSL hsl(258, 66%, 25%).

Is #2F166B accessible as text?

On white, #2F166B has a contrast ratio of 14.50:1 (passes WCAG AA for body text); on black it is 1.45:1 (fails). For text placed on #2F166B, use white for the best readability.

What is the closest Tailwind color to #2F166B?

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

What colors go well with #2F166B?

#2F166B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #516A16. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2F166B below.

Is #2F166B good for buttons?

#2F166B works well for buttons and highlights, but use white text on #2F166B — black text only reaches 1.45:1, below the 4.5:1 needed for normal-size labels.

Is #2F166B the same as CSS midnightblue?

No — #2F166B is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#2F166B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2F166B

Not just a swatch — here's how #2F166B works with other colors. Named schemes with #2F166B in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #2F166B Anchor #141210 Accent #DB9757 Secondary #282732 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 #2F166B Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #1C0030

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 #2F166B Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

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 #2F166B Secondary #7E4633 Surface #EDD8C2 Accent #355247 Anchor #582238

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 #2F166B Secondary #504E6B 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 #2F166B 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 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 72/100

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 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 73/100

High

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

Brand distinctiveness 53/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 39/100

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 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2F166B

For UI

For branding

For interior

For fashion

People also use #2F166B with

Egyptian Blue Byzantium Dark Olive Green Gainsboro Russian Violet

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 14.5:1. Use

Subtle surface Use #D1C7EB for cards and hover fills. Tint 80

Avoid beside #4B166A — 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 #2F166B 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: #2F166B;
  --color-base-rgb: 47 22 107;
  --color-base-oklch: oklch(29.7% 0.136 288.6);
  --color-50: #F5F2FD;
  --color-100: #E5DCF9;
  --color-200: #CBBBF1;
  --color-300: #A78DE2;
  --color-400: #8362D0;
  --color-500: #6340B5;
  --color-600: #50388A;
  --color-700: #3D2D62;
  --color-800: #2A2140;
  --color-900: #1B1628;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  midnight-blue: {
    50: '#F5F2FD',
    100: '#E5DCF9',
    200: '#CBBBF1',
    300: '#A78DE2',
    400: '#8362D0',
    500: '#6340B5',
    600: '#50388A',
    700: '#3D2D62',
    800: '#2A2140',
    900: '#1B1628',
  },
}

$base: #2F166B;
$base-ink: #FFFFFF;
$base-50: #F5F2FD;
$base-100: #E5DCF9;
$base-200: #CBBBF1;
$base-300: #A78DE2;
$base-400: #8362D0;
$base-500: #6340B5;
$base-600: #50388A;
$base-700: #3D2D62;
$base-800: #2A2140;
$base-900: #1B1628;
$base-hover: #261155;
$base-subtle: #BAA9E2;

{
    "color": {
        "base": {
            "value": "#2F166B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F2FD",
                "type": "color"
            },
            "100": {
                "value": "#E5DCF9",
                "type": "color"
            },
            "200": {
                "value": "#CBBBF1",
                "type": "color"
            },
            "300": {
                "value": "#A78DE2",
                "type": "color"
            },
            "400": {
                "value": "#8362D0",
                "type": "color"
            },
            "500": {
                "value": "#6340B5",
                "type": "color"
            },
            "600": {
                "value": "#50388A",
                "type": "color"
            },
            "700": {
                "value": "#3D2D62",
                "type": "color"
            },
            "800": {
                "value": "#2A2140",
                "type": "color"
            },
            "900": {
                "value": "#1B1628",
                "type": "color"
            }
        }
    }
}