What color is #100175?

#100175 is a dark, vivid indigo. In RGB it is rgb(16, 1, 117), and in HSL hsl(248, 98%, 23%).

Is #100175 accessible as text?

On white, #100175 has a contrast ratio of 16.36:1 (passes WCAG AA for body text); on black it is 1.28:1 (fails). For text placed on #100175, use white for the best readability.

What is the closest Tailwind color to #100175?

The nearest Tailwind CSS token is violet-950 (#2F0D68).

What colors go well with #100175?

#100175 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #657401. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #100175 below.

Is #100175 good for buttons?

#100175 works well for buttons and highlights, but use white text on #100175 — black text only reaches 1.28:1, below the 4.5:1 needed for normal-size labels.

Is #100175 the same as CSS navy?

No — #100175 is not the CSS named color navy, but navy (#000080) is the closest CSS named color.

#100175 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #100175

Not just a swatch — here's how #100175 works with other colors. Named schemes with #100175 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #100175 Anchor #141210 Accent #DC9659 Secondary #252933 Surface #F3ECE3

Navy Blue 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 #100175 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #0F0037

Navy Blue 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 Navy Blue.

Coastal Morning Lead · 5 colors

Lead #100175 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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

Vintage Leather Lead · 5 colors

Lead #100175 Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #582239

Navy Blue 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 #100175 Secondary #3C4769 Support #9D8F88 Ink #18140F

Navy Blue 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 Blue carrying the quiet middle.

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Color Lab

How #100175 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 12/100

Cool

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

Softness 20/100

Very 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 20/100

Low

Clean and current — no dusty, aged cast.

Luxury 73/100

High

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

Brand distinctiveness 66/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 28/100

Low

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

Surface fit 23/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 71/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #100175

For UI

For branding

For interior

For fashion

People also use #100175 with

Cobalt Blue Indigo Dark Olive Green 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 16.4:1. Use

Subtle surface Use #C3BCF3 for cards and hover fills. Tint 80

Avoid beside #370174 — 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 #100175 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: #100175;
  --color-base-rgb: 16 1 117;
  --color-base-oklch: oklch(26.2% 0.171 269.9);
  --color-50: #F2F0FE;
  --color-100: #DDD8FD;
  --color-200: #BBB1FC;
  --color-300: #8978F7;
  --color-400: #5E48EA;
  --color-500: #3B24D1;
  --color-600: #34249E;
  --color-700: #2A206F;
  --color-800: #1F1948;
  --color-900: #15112C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy-blue: {
    50: '#F2F0FE',
    100: '#DDD8FD',
    200: '#BBB1FC',
    300: '#8978F7',
    400: '#5E48EA',
    500: '#3B24D1',
    600: '#34249E',
    700: '#2A206F',
    800: '#1F1948',
    900: '#15112C',
  },
}

$base: #100175;
$base-ink: #FFFFFF;
$base-50: #F2F0FE;
$base-100: #DDD8FD;
$base-200: #BBB1FC;
$base-300: #8978F7;
$base-400: #5E48EA;
$base-500: #3B24D1;
$base-600: #34249E;
$base-700: #2A206F;
$base-800: #1F1948;
$base-900: #15112C;
$base-hover: #0D015D;
$base-subtle: #A498F0;

{
    "color": {
        "base": {
            "value": "#100175",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F0FE",
                "type": "color"
            },
            "100": {
                "value": "#DDD8FD",
                "type": "color"
            },
            "200": {
                "value": "#BBB1FC",
                "type": "color"
            },
            "300": {
                "value": "#8978F7",
                "type": "color"
            },
            "400": {
                "value": "#5E48EA",
                "type": "color"
            },
            "500": {
                "value": "#3B24D1",
                "type": "color"
            },
            "600": {
                "value": "#34249E",
                "type": "color"
            },
            "700": {
                "value": "#2A206F",
                "type": "color"
            },
            "800": {
                "value": "#1F1948",
                "type": "color"
            },
            "900": {
                "value": "#15112C",
                "type": "color"
            }
        }
    }
}

Palettes built on #100175

Color Lab

Pairs with #100175

UI roles & guardrails

In real applications

Scales

Every model

Export