What color is #3A136E?

#3A136E is a dark, vivid violet. In RGB it is rgb(58, 19, 110), and in HSL hsl(266, 71%, 25%).

Is #3A136E accessible as text?

On white, #3A136E has a contrast ratio of 14.02:1 (passes WCAG AA for body text); on black it is 1.50:1 (fails). For text placed on #3A136E, use white for the best readability.

What is the closest Tailwind color to #3A136E?

The nearest Tailwind CSS token is purple-950 (#3C0366).

What colors go well with #3A136E?

#3A136E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #466D12. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3A136E below.

Is #3A136E good for buttons?

#3A136E works well for buttons and highlights, but use white text on #3A136E — black text only reaches 1.50:1, below the 4.5:1 needed for normal-size labels.

Is #3A136E the same as CSS indigo?

No — #3A136E is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#3A136E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3A136E

Not just a swatch — here's how #3A136E works with other colors. Named schemes with #3A136E in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #3A136E Anchor #141210 Accent #DA9856 Secondary #2A2732 Surface #F3ECE3

Indigo 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 #3A136E Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #230032

Indigo 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 Indigo.

Coastal Morning Lead · 5 colors

Lead #3A136E Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334A

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

Berry & Cream Lead · 5 colors

Lead #3A136E Surface #F5E5D7 Anchor #5C2140 Accent #E5C2C8 Secondary #332B2F

Indigo sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #3A136E Secondary #58506E Support #9D9088 Ink #18140F

Indigo 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 Indigo carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #3A136E 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 33/100

Cool

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

Softness 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

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 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 71/100

High

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

Brand distinctiveness 55/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 43/100

Moderate

Workable accent with care around contrast.

Surface fit 21/100

Low

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

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3A136E

For UI

For branding

For interior

For fashion

People also use #3A136E with

Klein Blue Byzantium Dark Olive Green Gainsboro Onyx

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 14.0:1. Use

Subtle surface Use #D6C5EC for cards and hover fills. Tint 80

Avoid beside #58126D — 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 #3A136E 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: #3A136E;
  --color-base-rgb: 58 19 110;
  --color-base-oklch: oklch(31.0% 0.143 296.2);
  --color-50: #F7F1FD;
  --color-100: #E9DBFA;
  --color-200: #D2B9F3;
  --color-300: #B18AE5;
  --color-400: #915ED4;
  --color-500: #723CB9;
  --color-600: #5B358D;
  --color-700: #442B64;
  --color-800: #2E1F42;
  --color-900: #1D1528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F7F1FD',
    100: '#E9DBFA',
    200: '#D2B9F3',
    300: '#B18AE5',
    400: '#915ED4',
    500: '#723CB9',
    600: '#5B358D',
    700: '#442B64',
    800: '#2E1F42',
    900: '#1D1528',
  },
}

$base: #3A136E;
$base-ink: #FFFFFF;
$base-50: #F7F1FD;
$base-100: #E9DBFA;
$base-200: #D2B9F3;
$base-300: #B18AE5;
$base-400: #915ED4;
$base-500: #723CB9;
$base-600: #5B358D;
$base-700: #442B64;
$base-800: #2E1F42;
$base-900: #1D1528;
$base-hover: #2E0F57;
$base-subtle: #C1A7E5;

{
    "color": {
        "base": {
            "value": "#3A136E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F1FD",
                "type": "color"
            },
            "100": {
                "value": "#E9DBFA",
                "type": "color"
            },
            "200": {
                "value": "#D2B9F3",
                "type": "color"
            },
            "300": {
                "value": "#B18AE5",
                "type": "color"
            },
            "400": {
                "value": "#915ED4",
                "type": "color"
            },
            "500": {
                "value": "#723CB9",
                "type": "color"
            },
            "600": {
                "value": "#5B358D",
                "type": "color"
            },
            "700": {
                "value": "#442B64",
                "type": "color"
            },
            "800": {
                "value": "#2E1F42",
                "type": "color"
            },
            "900": {
                "value": "#1D1528",
                "type": "color"
            }
        }
    }
}