What color is #010B2A?

#010B2A is a very dark, vivid blue. In RGB it is rgb(1, 11, 42), and in HSL hsl(225, 95%, 8%).

Is #010B2A accessible as text?

On white, #010B2A has a contrast ratio of 19.40:1 (passes WCAG AA for body text); on black it is 1.08:1 (fails). For text placed on #010B2A, use white for the best readability.

What is the closest Tailwind color to #010B2A?

The nearest Tailwind CSS token is mist-950 (#090B0C).

What colors go well with #010B2A?

#010B2A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #281E01. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #010B2A below.

Is #010B2A good for buttons?

#010B2A works well for buttons and highlights, but use white text on #010B2A — black text only reaches 1.08:1, below the 4.5:1 needed for normal-size labels.

Is #010B2A the same as CSS midnightblue?

No — #010B2A 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.

#010B2A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #010B2A

Not just a swatch — here's how #010B2A works with other colors. Named schemes with #010B2A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #010B2A Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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

Nordic Calm Accent · 5 colors

Accent #010B2A Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

Jet Black keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #010B2A Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #192947

Jet Black is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Jet Black.

Vintage Leather Lead · 5 colors

Lead #010B2A Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

Jet Black 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 #010B2A Secondary #282F3B Support #9D8F88 Ink #18140F

Jet Black 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 Jet Black carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #010B2A 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 33/100

Cool

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

Softness 17/100

Very low

Firm and assertive — carries weight and contrast.

Depth 81/100

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 23/100

Low

Clean and current — no dusty, aged cast.

Luxury 82/100

Very high

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

Brand distinctiveness 26/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 8/100

Very low

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

Surface fit 54/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #010B2A

For UI

For branding

For interior

For fashion

People also use #010B2A with

Charcoal Jet Black Graphite Gainsboro

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 19.4:1. Use

Subtle surface Use #B0C0F0 for cards and hover fills. Tint 80

Avoid beside #040128 — 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 #010B2A at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #010B2A;
  --color-base-rgb: 1 11 42;
  --color-base-oklch: oklch(16.4% 0.066 262.0);
  --color-50: #F0F4FE;
  --color-100: #D8E1FD;
  --color-200: #B1C3FC;
  --color-300: #7A99F5;
  --color-400: #4A72E8;
  --color-500: #2751CE;
  --color-600: #26439C;
  --color-700: #21346E;
  --color-800: #1A2547;
  --color-900: #12182B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F0F4FE',
    100: '#D8E1FD',
    200: '#B1C3FC',
    300: '#7A99F5',
    400: '#4A72E8',
    500: '#2751CE',
    600: '#26439C',
    700: '#21346E',
    800: '#1A2547',
    900: '#12182B',
  },
}

$base: #010B2A;
$base-ink: #FFFFFF;
$base-50: #F0F4FE;
$base-100: #D8E1FD;
$base-200: #B1C3FC;
$base-300: #7A99F5;
$base-400: #4A72E8;
$base-500: #2751CE;
$base-600: #26439C;
$base-700: #21346E;
$base-800: #1A2547;
$base-900: #12182B;
$base-hover: #010920;
$base-subtle: #869FEB;

{
    "color": {
        "base": {
            "value": "#010B2A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F4FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E1FD",
                "type": "color"
            },
            "200": {
                "value": "#B1C3FC",
                "type": "color"
            },
            "300": {
                "value": "#7A99F5",
                "type": "color"
            },
            "400": {
                "value": "#4A72E8",
                "type": "color"
            },
            "500": {
                "value": "#2751CE",
                "type": "color"
            },
            "600": {
                "value": "#26439C",
                "type": "color"
            },
            "700": {
                "value": "#21346E",
                "type": "color"
            },
            "800": {
                "value": "#1A2547",
                "type": "color"
            },
            "900": {
                "value": "#12182B",
                "type": "color"
            }
        }
    }
}

Palettes built on #010B2A

Color Lab

Pairs with #010B2A

UI roles & guardrails

In real applications

Scales

Every model

Export