What color is #40296E?

#40296E is a dark violet. In RGB it is rgb(64, 41, 110), and in HSL hsl(260, 46%, 30%).

Is #40296E accessible as text?

On white, #40296E has a contrast ratio of 11.93:1 (passes WCAG AA for body text); on black it is 1.76:1 (fails). For text placed on #40296E, use white for the best readability.

What is the closest Tailwind color to #40296E?

The nearest Tailwind CSS token is indigo-900 (#312C85).

What colors go well with #40296E?

#40296E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #587029. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #40296E below.

Is #40296E good for buttons?

#40296E works well for buttons and highlights, but use white text on #40296E — black text only reaches 1.76:1, below the 4.5:1 needed for normal-size labels.

Is #40296E the same as CSS indigo?

No — #40296E is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#40296E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #40296E

Not just a swatch — here's how #40296E works with other colors. Named schemes with #40296E in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #40296E Anchor #141210 Accent #DA9856 Secondary #292732 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 #40296E Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #290D36

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 #40296E 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 #40296E Surface #F5E5D7 Anchor #5C2141 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 #40296E Secondary #615C75 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.

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Color Lab

How #40296E 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 36/100

Cool

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

Softness 30/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

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 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 71/100

High

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

Brand distinctiveness 44/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 55/100

Moderate

Workable accent with care around contrast.

Surface fit 28/100

Low

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

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #40296E

For UI

For branding

For interior

For fashion

People also use #40296E with

Classic Blue Byzantium Dark Olive Green Gainsboro Russian Violet

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 11.9:1. Use

Subtle surface Use #D7CFE7 for cards and hover fills. Tint 80

Avoid beside #582970 — 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 #40296E 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: #40296E;
  --color-base-rgb: 64 41 110;
  --color-base-oklch: oklch(34.8% 0.115 295.1);
  --color-50: #F6F3FB;
  --color-100: #E7E1F5;
  --color-200: #D0C4E9;
  --color-300: #AE9AD5;
  --color-400: #8C73BF;
  --color-500: #6D52A3;
  --color-600: #57447E;
  --color-700: #41355A;
  --color-800: #2D253C;
  --color-900: #1D1825;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F6F3FB',
    100: '#E7E1F5',
    200: '#D0C4E9',
    300: '#AE9AD5',
    400: '#8C73BF',
    500: '#6D52A3',
    600: '#57447E',
    700: '#41355A',
    800: '#2D253C',
    900: '#1D1825',
  },
}

$base: #40296E;
$base-ink: #FFFFFF;
$base-50: #F6F3FB;
$base-100: #E7E1F5;
$base-200: #D0C4E9;
$base-300: #AE9AD5;
$base-400: #8C73BF;
$base-500: #6D52A3;
$base-600: #57447E;
$base-700: #41355A;
$base-800: #2D253C;
$base-900: #1D1825;
$base-hover: #342159;
$base-subtle: #C3B7DC;

{
    "color": {
        "base": {
            "value": "#40296E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F3FB",
                "type": "color"
            },
            "100": {
                "value": "#E7E1F5",
                "type": "color"
            },
            "200": {
                "value": "#D0C4E9",
                "type": "color"
            },
            "300": {
                "value": "#AE9AD5",
                "type": "color"
            },
            "400": {
                "value": "#8C73BF",
                "type": "color"
            },
            "500": {
                "value": "#6D52A3",
                "type": "color"
            },
            "600": {
                "value": "#57447E",
                "type": "color"
            },
            "700": {
                "value": "#41355A",
                "type": "color"
            },
            "800": {
                "value": "#2D253C",
                "type": "color"
            },
            "900": {
                "value": "#1D1825",
                "type": "color"
            }
        }
    }
}

Palettes built on #40296E

Color Lab

Pairs with #40296E

UI roles & guardrails

In real applications

Scales

Every model

Export