What color is #101B36?

#101B36 is a very dark blue. In RGB it is rgb(16, 27, 54), and in HSL hsl(223, 54%, 14%).

Is #101B36 accessible as text?

On white, #101B36 has a contrast ratio of 17.04:1 (passes WCAG AA for body text); on black it is 1.23:1 (fails). For text placed on #101B36, use white for the best readability.

What is the closest Tailwind color to #101B36?

The nearest Tailwind CSS token is mauve-900 (#1D161E).

What colors go well with #101B36?

#101B36 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #372C10. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #101B36 below.

Is #101B36 good for buttons?

#101B36 works well for buttons and highlights, but use white text on #101B36 — black text only reaches 1.23:1, below the 4.5:1 needed for normal-size labels.

Is #101B36 the same as CSS midnightblue?

No — #101B36 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#101B36 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #101B36

Not just a swatch — here's how #101B36 works with other colors. Named schemes with #101B36 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #101B36 Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

Graphite 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 #101B36 Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A7 Anchor #2E3236

Graphite 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 #101B36 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #2E3954

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

Vintage Leather Lead · 5 colors

Lead #101B36 Secondary #7F4536 Surface #EED7C2 Accent #365246 Anchor #58223A

Graphite 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 #101B36 Secondary #3A3F4A Support #9D8F88 Ink #18140F

Graphite 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 Graphite carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #101B36 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 37/100

Cool

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 74/100

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 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 76/100

High

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

Brand distinctiveness 21/100

Low

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

UI accent fit 15/100

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 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #101B36

For UI

For branding

For interior

For fashion

People also use #101B36 with

Dark Slate Gray Deep Purple Bistre Gainsboro Charcoal

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 17.0:1. Use

Subtle surface Use #C2CCE4 for cards and hover fills. Tint 80

Avoid beside #121037 — 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 #101B36 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: #101B36;
  --color-base-rgb: 16 27 54;
  --color-base-oklch: oklch(22.8% 0.055 265.6);
  --color-50: #F3F5FC;
  --color-100: #DFE6F6;
  --color-200: #C0CDEC;
  --color-300: #95A8DA;
  --color-400: #6C86C6;
  --color-500: #4B66AA;
  --color-600: #3F5283;
  --color-700: #323E5D;
  --color-800: #232B3D;
  --color-900: #171B26;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F3F5FC',
    100: '#DFE6F6',
    200: '#C0CDEC',
    300: '#95A8DA',
    400: '#6C86C6',
    500: '#4B66AA',
    600: '#3F5283',
    700: '#323E5D',
    800: '#232B3D',
    900: '#171B26',
  },
}

$base: #101B36;
$base-ink: #FFFFFF;
$base-50: #F3F5FC;
$base-100: #DFE6F6;
$base-200: #C0CDEC;
$base-300: #95A8DA;
$base-400: #6C86C6;
$base-500: #4B66AA;
$base-600: #3F5283;
$base-700: #323E5D;
$base-800: #232B3D;
$base-900: #171B26;
$base-hover: #0D162C;
$base-subtle: #A2B2D8;

{
    "color": {
        "base": {
            "value": "#101B36",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F5FC",
                "type": "color"
            },
            "100": {
                "value": "#DFE6F6",
                "type": "color"
            },
            "200": {
                "value": "#C0CDEC",
                "type": "color"
            },
            "300": {
                "value": "#95A8DA",
                "type": "color"
            },
            "400": {
                "value": "#6C86C6",
                "type": "color"
            },
            "500": {
                "value": "#4B66AA",
                "type": "color"
            },
            "600": {
                "value": "#3F5283",
                "type": "color"
            },
            "700": {
                "value": "#323E5D",
                "type": "color"
            },
            "800": {
                "value": "#232B3D",
                "type": "color"
            },
            "900": {
                "value": "#171B26",
                "type": "color"
            }
        }
    }
}