What color is #101237?

#101237 is a very dark blue-violet. In RGB it is rgb(16, 18, 55), and in HSL hsl(237, 55%, 14%).

Is #101237 accessible as text?

On white, #101237 has a contrast ratio of 18.05:1 (passes WCAG AA for body text); on black it is 1.16:1 (fails). For text placed on #101237, use white for the best readability.

What is the closest Tailwind color to #101237?

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

What colors go well with #101237?

#101237 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #373510. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #101237 below.

Is #101237 good for buttons?

#101237 works well for buttons and highlights, but use white text on #101237 — black text only reaches 1.16:1, below the 4.5:1 needed for normal-size labels.

Is #101237 the same as CSS midnightblue?

No — #101237 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#101237 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #101237

Not just a swatch — here's how #101237 works with other colors. Named schemes with #101237 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #101237 Accent #A5C4C2 Surface #EAD5BF 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.

Nordic Calm Accent · 5 colors

Accent #101237 Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

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

Vintage Leather Lead · 5 colors

Lead #101237 Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

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.

Luxury Packaging Feature · 5 colors

Feature #101237 Anchor #141210 Accent #DC9758 Secondary #262833 Surface #F3ECE3

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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #101237 Secondary #363947 Support #9D9088 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.

Build a working theme in the generator →

Color Lab

How #101237 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 35/100

Cool

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

Softness 21/100

Low

Firm and assertive — carries weight and contrast.

Depth 77/100

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 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 79/100

High

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

Brand distinctiveness 27/100

Low

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

UI accent fit 13/100

Very low

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

Surface fit 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #101237

For UI

For branding

For interior

For fashion

People also use #101237 with

Charcoal 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 18.0:1. Use

Subtle surface Use #C2C4E5 for cards and hover fills. Tint 80

Avoid beside #1B1037 — 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 #101237 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: #101237;
  --color-base-rgb: 16 18 55;
  --color-base-oklch: oklch(20.7% 0.071 275.9);
  --color-50: #F3F3FC;
  --color-100: #DFE0F6;
  --color-200: #C0C2ED;
  --color-300: #9498DB;
  --color-400: #6B70C7;
  --color-500: #4A4FAB;
  --color-600: #3F4283;
  --color-700: #31335E;
  --color-800: #23253E;
  --color-900: #171826;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F3F3FC',
    100: '#DFE0F6',
    200: '#C0C2ED',
    300: '#9498DB',
    400: '#6B70C7',
    500: '#4A4FAB',
    600: '#3F4283',
    700: '#31335E',
    800: '#23253E',
    900: '#171826',
  },
}

$base: #101237;
$base-ink: #FFFFFF;
$base-50: #F3F3FC;
$base-100: #DFE0F6;
$base-200: #C0C2ED;
$base-300: #9498DB;
$base-400: #6B70C7;
$base-500: #4A4FAB;
$base-600: #3F4283;
$base-700: #31335E;
$base-800: #23253E;
$base-900: #171826;
$base-hover: #0D0E2C;
$base-subtle: #A2A4D9;

{
    "color": {
        "base": {
            "value": "#101237",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F3FC",
                "type": "color"
            },
            "100": {
                "value": "#DFE0F6",
                "type": "color"
            },
            "200": {
                "value": "#C0C2ED",
                "type": "color"
            },
            "300": {
                "value": "#9498DB",
                "type": "color"
            },
            "400": {
                "value": "#6B70C7",
                "type": "color"
            },
            "500": {
                "value": "#4A4FAB",
                "type": "color"
            },
            "600": {
                "value": "#3F4283",
                "type": "color"
            },
            "700": {
                "value": "#31335E",
                "type": "color"
            },
            "800": {
                "value": "#23253E",
                "type": "color"
            },
            "900": {
                "value": "#171826",
                "type": "color"
            }
        }
    }
}