What color is #290BAA?

#290BAA is a dark, vivid indigo. In RGB it is rgb(41, 11, 170), and in HSL hsl(251, 88%, 35%).

Is #290BAA accessible as text?

On white, #290BAA has a contrast ratio of 12.19:1 (passes WCAG AA for body text); on black it is 1.72:1 (fails). For text placed on #290BAA, use white for the best readability.

What is the closest Tailwind color to #290BAA?

The nearest Tailwind CSS token is indigo-800 (#372AAC).

What colors go well with #290BAA?

#290BAA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8BA80B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #290BAA below.

Is #290BAA good for buttons?

#290BAA works well for buttons and highlights, but use white text on #290BAA — black text only reaches 1.72:1, below the 4.5:1 needed for normal-size labels.

Is #290BAA the same as CSS mediumblue?

No — #290BAA is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#290BAA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #290BAA

Not just a swatch — here's how #290BAA works with other colors. Named schemes with #290BAA in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #290BAA Anchor #141210 Accent #DC9659 Secondary #262833 Surface #F3ECE3

Zaffre 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.

Tech Product Signal · 5 colors

Signal #290BAA Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #4147C8

Zaffre is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Zaffre.

Moody Editorial Color · 5 colors

Color #290BAA Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #26005E

Zaffre 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 Zaffre.

Coastal Morning Lead · 5 colors

Lead #290BAA Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #290BAA Secondary #555F8E Support #9D9088 Ink #18140F

Zaffre 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 Zaffre carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #290BAA 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 14/100

Cool

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

Softness 22/100

Low

Firm and assertive — carries weight and contrast.

Depth 70/100

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 14/100

Very low

Clean and current — no dusty, aged cast.

Luxury 61/100

High

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

Brand distinctiveness 84/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 47/100

Moderate

Workable accent with care around contrast.

Surface fit 17/100

Very low

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

Print safety 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #290BAA

For UI

For branding

For interior

For fashion

People also use #290BAA with

Cerulean Mauveine Olive Drab 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 12.2:1. Use

Subtle surface Use #D1C9F3 for cards and hover fills. Tint 80

Avoid beside #5C0BA8 — 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 #290BAA 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: #290BAA;
  --color-base-rgb: 41 11 170;
  --color-base-oklch: oklch(35.7% 0.217 274.2);
  --color-50: #F3F0FE;
  --color-100: #DFD8FD;
  --color-200: #C0B2FA;
  --color-300: #947FF0;
  --color-400: #6B50E2;
  --color-500: #492DC8;
  --color-600: #3E2A98;
  --color-700: #31246B;
  --color-800: #231B46;
  --color-900: #17132B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  zaffre: {
    50: '#F3F0FE',
    100: '#DFD8FD',
    200: '#C0B2FA',
    300: '#947FF0',
    400: '#6B50E2',
    500: '#492DC8',
    600: '#3E2A98',
    700: '#31246B',
    800: '#231B46',
    900: '#17132B',
  },
}

$base: #290BAA;
$base-ink: #FFFFFF;
$base-50: #F3F0FE;
$base-100: #DFD8FD;
$base-200: #C0B2FA;
$base-300: #947FF0;
$base-400: #6B50E2;
$base-500: #492DC8;
$base-600: #3E2A98;
$base-700: #31246B;
$base-800: #231B46;
$base-900: #17132B;
$base-hover: #200986;
$base-subtle: #B8ACEF;

{
    "color": {
        "base": {
            "value": "#290BAA",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F0FE",
                "type": "color"
            },
            "100": {
                "value": "#DFD8FD",
                "type": "color"
            },
            "200": {
                "value": "#C0B2FA",
                "type": "color"
            },
            "300": {
                "value": "#947FF0",
                "type": "color"
            },
            "400": {
                "value": "#6B50E2",
                "type": "color"
            },
            "500": {
                "value": "#492DC8",
                "type": "color"
            },
            "600": {
                "value": "#3E2A98",
                "type": "color"
            },
            "700": {
                "value": "#31246B",
                "type": "color"
            },
            "800": {
                "value": "#231B46",
                "type": "color"
            },
            "900": {
                "value": "#17132B",
                "type": "color"
            }
        }
    }
}

Palettes built on #290BAA

Color Lab

Pairs with #290BAA

UI roles & guardrails

In real applications

Scales

Every model

Export