What color is #0A0B15?

#0A0B15 is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(10, 11, 21), and in HSL hsl(235, 35%, 6%).

Is #0A0B15 accessible as text?

On white, #0A0B15 has a contrast ratio of 19.60:1 (passes WCAG AA for body text); on black it is 1.07:1 (fails). For text placed on #0A0B15, use white for the best readability.

What is the closest Tailwind color to #0A0B15?

The nearest Tailwind CSS token is zinc-950 (#09090B).

What colors go well with #0A0B15?

As a neutral, #0A0B15 pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #0A0B15 the same as CSS black?

No — #0A0B15 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#0A0B15 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0A0B15

Not just a swatch — here's how #0A0B15 works with other colors. Named schemes with #0A0B15 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #0A0B15 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #252731

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 #0A0B15 Secondary #7F4534 Surface #EDD7C2 Accent #365247 Anchor #582239

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.

Japanese Sand Base · 5 colors

Base #0A0B15 Surface #F2E8DD Highlight #F8F0E7 Secondary #BEADA2 Ink #2C2724

Jet Black sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #0A0B15 Anchor #141210 Accent #DC9758 Secondary #272833 Surface #F3ECE3

Jet Black 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #0A0B15 Secondary #2B2C30 Support #9D9088 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.

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Color Lab

How #0A0B15 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 46/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 18/100

Very low

Firm and assertive — carries weight and contrast.

Depth 79/100

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 17/100

Very low

Clean and current — no dusty, aged cast.

Luxury 78/100

High

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

Brand distinctiveness 8/100

Very low

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

UI accent fit 5/100

Very low

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

Surface fit 68/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 97/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0A0B15

For UI

For branding

For interior

For fashion

People also use #0A0B15 with

Graphite Jet Black 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 #C3C5DB for cards and hover fills. Tint 80

Avoid beside #0D0A15 — 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 #0A0B15 at work across the surfaces designers actually ship.

Website / UI

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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: #0A0B15;
  --color-base-rgb: 10 11 21;
  --color-base-oklch: oklch(15.4% 0.021 279.2);
  --color-50: #F4F5FA;
  --color-100: #E3E4F2;
  --color-200: #C8CAE4;
  --color-300: #A1A5CE;
  --color-400: #7C81B6;
  --color-500: #5C6199;
  --color-600: #4B4F77;
  --color-700: #393C56;
  --color-800: #282939;
  --color-900: #1A1B23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F4F5FA',
    100: '#E3E4F2',
    200: '#C8CAE4',
    300: '#A1A5CE',
    400: '#7C81B6',
    500: '#5C6199',
    600: '#4B4F77',
    700: '#393C56',
    800: '#282939',
    900: '#1A1B23',
  },
}

$base: #0A0B15;
$base-ink: #FFFFFF;
$base-50: #F4F5FA;
$base-100: #E3E4F2;
$base-200: #C8CAE4;
$base-300: #A1A5CE;
$base-400: #7C81B6;
$base-500: #5C6199;
$base-600: #4B4F77;
$base-700: #393C56;
$base-800: #282939;
$base-900: #1A1B23;
$base-hover: #080911;
$base-subtle: #A4A7CA;

{
    "color": {
        "base": {
            "value": "#0A0B15",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F5FA",
                "type": "color"
            },
            "100": {
                "value": "#E3E4F2",
                "type": "color"
            },
            "200": {
                "value": "#C8CAE4",
                "type": "color"
            },
            "300": {
                "value": "#A1A5CE",
                "type": "color"
            },
            "400": {
                "value": "#7C81B6",
                "type": "color"
            },
            "500": {
                "value": "#5C6199",
                "type": "color"
            },
            "600": {
                "value": "#4B4F77",
                "type": "color"
            },
            "700": {
                "value": "#393C56",
                "type": "color"
            },
            "800": {
                "value": "#282939",
                "type": "color"
            },
            "900": {
                "value": "#1A1B23",
                "type": "color"
            }
        }
    }
}

Palettes built on #0A0B15

Color Lab

Pairs with #0A0B15

UI roles & guardrails

In real applications

Scales

Every model

Export