What color is #261FAB?

#261FAB is a medium blue-violet. In RGB it is rgb(38, 31, 171), and in HSL hsl(243, 69%, 40%).

Is #261FAB accessible as text?

On white, #261FAB has a contrast ratio of 11.25:1 (passes WCAG AA for body text); on black it is 1.87:1 (fails). For text placed on #261FAB, use white for the best readability.

What is the closest Tailwind color to #261FAB?

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

What colors go well with #261FAB?

#261FAB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A5AC20. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #261FAB below.

Is #261FAB good for buttons?

#261FAB works well for buttons and highlights, but use white text on #261FAB — black text only reaches 1.87:1, below the 4.5:1 needed for normal-size labels.

Is #261FAB the same as CSS mediumblue?

No — #261FAB is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#261FAB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #261FAB

Not just a swatch — here's how #261FAB works with other colors. Named schemes with #261FAB in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #261FAB Anchor #141210 Accent #DC9659 Secondary #252833 Surface #F3ECE3

Klein 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.

Tech Product Signal · 5 colors

Signal #261FAB Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #4150C9

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

Moody Editorial Color · 5 colors

Color #261FAB Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #270061

Klein 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 Klein Blue.

Coastal Morning Lead · 5 colors

Lead #261FAB Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Klein Blue 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 #261FAB Secondary #586491 Support #9D8F88 Ink #18140F

Klein 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 Klein Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #261FAB 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 13/100

Cool

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

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 17/100

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 80/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 54/100

Moderate

Workable accent with care around contrast.

Surface fit 16/100

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 #261FAB

For UI

For branding

For interior

For fashion

People also use #261FAB with

True Blue Grape Citron 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 11.3:1. Use

Subtle surface Use #D3D1F0 for cards and hover fills. Tint 80

Avoid beside #5620AC — 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 #261FAB 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: #261FAB;
  --color-base-rgb: 38 31 171;
  --color-base-oklch: oklch(37.3% 0.208 272.1);
  --color-50: #F2F2FD;
  --color-100: #DDDCF9;
  --color-200: #BDBAF2;
  --color-300: #908BE4;
  --color-400: #6660D2;
  --color-500: #443EB7;
  --color-600: #3A368C;
  --color-700: #2E2C63;
  --color-800: #222041;
  --color-900: #161528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  klein-blue: {
    50: '#F2F2FD',
    100: '#DDDCF9',
    200: '#BDBAF2',
    300: '#908BE4',
    400: '#6660D2',
    500: '#443EB7',
    600: '#3A368C',
    700: '#2E2C63',
    800: '#222041',
    900: '#161528',
  },
}

$base: #261FAB;
$base-ink: #FFFFFF;
$base-50: #F2F2FD;
$base-100: #DDDCF9;
$base-200: #BDBAF2;
$base-300: #908BE4;
$base-400: #6660D2;
$base-500: #443EB7;
$base-600: #3A368C;
$base-700: #2E2C63;
$base-800: #222041;
$base-900: #161528;
$base-hover: #1F198A;
$base-subtle: #BBB9E9;

{
    "color": {
        "base": {
            "value": "#261FAB",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F2FD",
                "type": "color"
            },
            "100": {
                "value": "#DDDCF9",
                "type": "color"
            },
            "200": {
                "value": "#BDBAF2",
                "type": "color"
            },
            "300": {
                "value": "#908BE4",
                "type": "color"
            },
            "400": {
                "value": "#6660D2",
                "type": "color"
            },
            "500": {
                "value": "#443EB7",
                "type": "color"
            },
            "600": {
                "value": "#3A368C",
                "type": "color"
            },
            "700": {
                "value": "#2E2C63",
                "type": "color"
            },
            "800": {
                "value": "#222041",
                "type": "color"
            },
            "900": {
                "value": "#161528",
                "type": "color"
            }
        }
    }
}

Palettes built on #261FAB

Color Lab

Pairs with #261FAB

UI roles & guardrails

In real applications

Scales

Every model

Export