What color is #100577?

#100577 is a dark, vivid indigo. In RGB it is rgb(16, 5, 119), and in HSL hsl(246, 92%, 24%).

Is #100577 accessible as text?

On white, #100577 has a contrast ratio of 16.03:1 (passes WCAG AA for body text); on black it is 1.31:1 (fails). For text placed on #100577, use white for the best readability.

What is the closest Tailwind color to #100577?

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

What colors go well with #100577?

#100577 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6A7605. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #100577 below.

Is #100577 good for buttons?

#100577 works well for buttons and highlights, but use white text on #100577 — black text only reaches 1.31:1, below the 4.5:1 needed for normal-size labels.

Is #100577 the same as CSS navy?

No — #100577 is not the CSS named color navy, but navy (#000080) is the closest CSS named color.

#100577 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #100577

Not just a swatch — here's how #100577 works with other colors. Named schemes with #100577 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #100577 Anchor #141210 Accent #DC9659 Secondary #252933 Surface #F4ECE3

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 #100577 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #0F0039

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 #100577 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 #100577 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 #100577 Secondary #3D486B 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 #100577 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 11/100

Cool

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

Softness 20/100

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 21/100

Low

Clean and current — no dusty, aged cast.

Luxury 72/100

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 30/100

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 #100577

For UI

For branding

For interior

For fashion

People also use #100577 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 16.0:1. Use

Subtle surface Use #C4BFF2 for cards and hover fills. Tint 80

Avoid beside #360576 — 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 #100577 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: #100577;
  --color-base-rgb: 16 5 119;
  --color-base-oklch: oklch(26.9% 0.170 269.6);
  --color-50: #F2F0FE;
  --color-100: #DCD8FD;
  --color-200: #B8B1FC;
  --color-300: #887CF3;
  --color-400: #5C4DE5;
  --color-500: #3A29CB;
  --color-600: #33289A;
  --color-700: #2A226D;
  --color-800: #1F1A47;
  --color-900: #15122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy-blue: {
    50: '#F2F0FE',
    100: '#DCD8FD',
    200: '#B8B1FC',
    300: '#887CF3',
    400: '#5C4DE5',
    500: '#3A29CB',
    600: '#33289A',
    700: '#2A226D',
    800: '#1F1A47',
    900: '#15122B',
  },
}

$base: #100577;
$base-ink: #FFFFFF;
$base-50: #F2F0FE;
$base-100: #DCD8FD;
$base-200: #B8B1FC;
$base-300: #887CF3;
$base-400: #5C4DE5;
$base-500: #3A29CB;
$base-600: #33289A;
$base-700: #2A226D;
$base-800: #1F1A47;
$base-900: #15122B;
$base-hover: #0D045E;
$base-subtle: #A49CEE;

{
    "color": {
        "base": {
            "value": "#100577",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F0FE",
                "type": "color"
            },
            "100": {
                "value": "#DCD8FD",
                "type": "color"
            },
            "200": {
                "value": "#B8B1FC",
                "type": "color"
            },
            "300": {
                "value": "#887CF3",
                "type": "color"
            },
            "400": {
                "value": "#5C4DE5",
                "type": "color"
            },
            "500": {
                "value": "#3A29CB",
                "type": "color"
            },
            "600": {
                "value": "#33289A",
                "type": "color"
            },
            "700": {
                "value": "#2A226D",
                "type": "color"
            },
            "800": {
                "value": "#1F1A47",
                "type": "color"
            },
            "900": {
                "value": "#15122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #100577

Color Lab

Pairs with #100577

UI roles & guardrails

In real applications

Scales

Every model

Export