What color is #100E1E?

#100E1E is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(16, 14, 30), and in HSL hsl(248, 36%, 9%).

Is #100E1E accessible as text?

On white, #100E1E has a contrast ratio of 19.03:1 (passes WCAG AA for body text); on black it is 1.10:1 (fails). For text placed on #100E1E, use white for the best readability.

What is the closest Tailwind color to #100E1E?

The nearest Tailwind CSS token is slate-900 (#0F172B).

What colors go well with #100E1E?

As a neutral, #100E1E 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 #100E1E the same as CSS midnightblue?

No — #100E1E 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.

#100E1E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #100E1E

Not just a swatch — here's how #100E1E works with other colors. Named schemes with #100E1E in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #100E1E Secondary #7E4633 Surface #EDD8C2 Accent #365247 Anchor #582238

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 #100E1E 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 #100E1E Anchor #141210 Accent #DB9757 Secondary #282732 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.

Moody Editorial Color · 5 colors

Color #100E1E Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #010002

Jet Black 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 Jet Black.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #100E1E Secondary #313137 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.

Build a working theme in the generator →

Color Lab

How #100E1E 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 45/100

Neutral

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

Softness 19/100

Very 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 21/100

Low

Clean and current — no dusty, aged cast.

Luxury 77/100

High

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

Brand distinctiveness 13/100

Very low

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

UI accent fit 7/100

Very low

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

Surface fit 64/100

High

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

Print safety 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #100E1E

For UI

For branding

For interior

For fashion

People also use #100E1E with

Gunmetal Gray Graphite 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 19.0:1. Use

Subtle surface Use #C8C5DD for cards and hover fills. Tint 80

Avoid beside #160F1F — 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 #100E1E 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: #100E1E;
  --color-base-rgb: 16 14 30;
  --color-base-oklch: oklch(17.5% 0.033 288.3);
  --color-50: #F5F4FA;
  --color-100: #E5E3F2;
  --color-200: #CBC8E5;
  --color-300: #A7A0CF;
  --color-400: #837BB7;
  --color-500: #635B9A;
  --color-600: #504A77;
  --color-700: #3D3956;
  --color-800: #2A2839;
  --color-900: #1B1A23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F5F4FA',
    100: '#E5E3F2',
    200: '#CBC8E5',
    300: '#A7A0CF',
    400: '#837BB7',
    500: '#635B9A',
    600: '#504A77',
    700: '#3D3956',
    800: '#2A2839',
    900: '#1B1A23',
  },
}

$base: #100E1E;
$base-ink: #FFFFFF;
$base-50: #F5F4FA;
$base-100: #E5E3F2;
$base-200: #CBC8E5;
$base-300: #A7A0CF;
$base-400: #837BB7;
$base-500: #635B9A;
$base-600: #504A77;
$base-700: #3D3956;
$base-800: #2A2839;
$base-900: #1B1A23;
$base-hover: #0E0C19;
$base-subtle: #ABA6CC;

{
    "color": {
        "base": {
            "value": "#100E1E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F4FA",
                "type": "color"
            },
            "100": {
                "value": "#E5E3F2",
                "type": "color"
            },
            "200": {
                "value": "#CBC8E5",
                "type": "color"
            },
            "300": {
                "value": "#A7A0CF",
                "type": "color"
            },
            "400": {
                "value": "#837BB7",
                "type": "color"
            },
            "500": {
                "value": "#635B9A",
                "type": "color"
            },
            "600": {
                "value": "#504A77",
                "type": "color"
            },
            "700": {
                "value": "#3D3956",
                "type": "color"
            },
            "800": {
                "value": "#2A2839",
                "type": "color"
            },
            "900": {
                "value": "#1B1A23",
                "type": "color"
            }
        }
    }
}

Palettes built on #100E1E

Color Lab

Pairs with #100E1E

UI roles & guardrails

In real applications

Scales

Every model

Export