What color is #010239?

#010239 is a very dark, vivid blue. In RGB it is rgb(1, 2, 57), and in HSL hsl(239, 97%, 11%).

Is #010239 accessible as text?

On white, #010239 has a contrast ratio of 19.64:1 (passes WCAG AA for body text); on black it is 1.07:1 (fails). For text placed on #010239, use white for the best readability.

What is the closest Tailwind color to #010239?

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

What colors go well with #010239?

#010239 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #373601. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #010239 below.

Is #010239 good for buttons?

#010239 works well for buttons and highlights, but use white text on #010239 — black text only reaches 1.07:1, below the 4.5:1 needed for normal-size labels.

Is #010239 the same as CSS midnightblue?

No — #010239 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#010239 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #010239

Not just a swatch — here's how #010239 works with other colors. Named schemes with #010239 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #010239 Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

Navy 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 #010239 Anchor #141210 Accent #DD965A Secondary #242933 Surface #F4ECE3

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 #010239 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #01000C

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.

Vintage Leather Lead · 5 colors

Lead #010239 Secondary #7F4536 Surface #EED7C2 Accent #365246 Anchor #58223A

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 #010239 Secondary #262E41 Support #9D8F88 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.

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Color Lab

How #010239 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 25/100

Cool

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

Softness 15/100

Very low

Firm and assertive — carries weight and contrast.

Depth 84/100

Very 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 25/100

Low

Clean and current — no dusty, aged cast.

Luxury 86/100

Very high

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

Brand distinctiveness 40/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 9/100

Very low

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

Surface fit 43/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #010239

For UI

For branding

For interior

For fashion

People also use #010239 with

Yale Blue Deep Purple Bistre 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 19.6:1. Use

Subtle surface Use #B2B3F1 for cards and hover fills. Tint 80

Avoid beside #120137 — 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 #010239 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: #010239;
  --color-base-rgb: 1 2 57;
  --color-base-oklch: oklch(16.2% 0.104 265.7);
  --color-50: #F0F1FE;
  --color-100: #D8D8FD;
  --color-200: #B1B2FC;
  --color-300: #797BF6;
  --color-400: #494BE9;
  --color-500: #2528D0;
  --color-600: #25279D;
  --color-700: #20226F;
  --color-800: #191A48;
  --color-900: #11122C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F0F1FE',
    100: '#D8D8FD',
    200: '#B1B2FC',
    300: '#797BF6',
    400: '#494BE9',
    500: '#2528D0',
    600: '#25279D',
    700: '#20226F',
    800: '#191A48',
    900: '#11122C',
  },
}

$base: #010239;
$base-ink: #FFFFFF;
$base-50: #F0F1FE;
$base-100: #D8D8FD;
$base-200: #B1B2FC;
$base-300: #797BF6;
$base-400: #494BE9;
$base-500: #2528D0;
$base-600: #25279D;
$base-700: #20226F;
$base-800: #191A48;
$base-900: #11122C;
$base-hover: #01012C;
$base-subtle: #898AED;

{
    "color": {
        "base": {
            "value": "#010239",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F1FE",
                "type": "color"
            },
            "100": {
                "value": "#D8D8FD",
                "type": "color"
            },
            "200": {
                "value": "#B1B2FC",
                "type": "color"
            },
            "300": {
                "value": "#797BF6",
                "type": "color"
            },
            "400": {
                "value": "#494BE9",
                "type": "color"
            },
            "500": {
                "value": "#2528D0",
                "type": "color"
            },
            "600": {
                "value": "#25279D",
                "type": "color"
            },
            "700": {
                "value": "#20226F",
                "type": "color"
            },
            "800": {
                "value": "#191A48",
                "type": "color"
            },
            "900": {
                "value": "#11122C",
                "type": "color"
            }
        }
    }
}

Palettes built on #010239

Color Lab

Pairs with #010239

UI roles & guardrails

In real applications

Scales

Every model

Export