What color is #271B8D?

#271B8D is a dark indigo. In RGB it is rgb(39, 27, 141), and in HSL hsl(246, 68%, 33%).

Is #271B8D accessible as text?

On white, #271B8D has a contrast ratio of 12.90:1 (passes WCAG AA for body text); on black it is 1.63:1 (fails). For text placed on #271B8D, use white for the best readability.

What is the closest Tailwind color to #271B8D?

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

What colors go well with #271B8D?

#271B8D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #828D1B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #271B8D below.

Is #271B8D good for buttons?

#271B8D works well for buttons and highlights, but use white text on #271B8D — black text only reaches 1.63:1, below the 4.5:1 needed for normal-size labels.

Is #271B8D the same as CSS midnightblue?

No — #271B8D is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#271B8D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #271B8D

Not just a swatch — here's how #271B8D works with other colors. Named schemes with #271B8D in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #271B8D Anchor #141210 Accent #DC9758 Secondary #262833 Surface #F3ECE3

Phthalo 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 #271B8D Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #20004A

Phthalo 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 Phthalo Blue.

Coastal Morning Lead · 5 colors

Lead #271B8D Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #21344A

Phthalo 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 #271B8D Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

Phthalo 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 #271B8D Secondary #52597E Support #9D9088 Ink #18140F

Phthalo 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 Phthalo Blue carrying the quiet middle.

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Color Lab

How #271B8D 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 15/100

Cool

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 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 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 67/100

High

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

Brand distinctiveness 68/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 49/100

Moderate

Workable accent with care around contrast.

Surface fit 18/100

Very low

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

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #271B8D

For UI

For branding

For interior

For fashion

People also use #271B8D with

Denim Blue Eminence 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 12.9:1. Use

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

Avoid beside #4D1B8D — 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 #271B8D 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: #271B8D;
  --color-base-rgb: 39 27 141;
  --color-base-oklch: oklch(33.4% 0.175 275.9);
  --color-50: #F3F2FD;
  --color-100: #DFDCF9;
  --color-200: #C0BBF2;
  --color-300: #948CE3;
  --color-400: #6C61D1;
  --color-500: #4B3FB6;
  --color-600: #3F378B;
  --color-700: #312C63;
  --color-800: #232041;
  --color-900: #171528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  phthalo-blue: {
    50: '#F3F2FD',
    100: '#DFDCF9',
    200: '#C0BBF2',
    300: '#948CE3',
    400: '#6C61D1',
    500: '#4B3FB6',
    600: '#3F378B',
    700: '#312C63',
    800: '#232041',
    900: '#171528',
  },
}

$base: #271B8D;
$base-ink: #FFFFFF;
$base-50: #F3F2FD;
$base-100: #DFDCF9;
$base-200: #C0BBF2;
$base-300: #948CE3;
$base-400: #6C61D1;
$base-500: #4B3FB6;
$base-600: #3F378B;
$base-700: #312C63;
$base-800: #232041;
$base-900: #171528;
$base-hover: #1F1671;
$base-subtle: #B7B1E6;

{
    "color": {
        "base": {
            "value": "#271B8D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F2FD",
                "type": "color"
            },
            "100": {
                "value": "#DFDCF9",
                "type": "color"
            },
            "200": {
                "value": "#C0BBF2",
                "type": "color"
            },
            "300": {
                "value": "#948CE3",
                "type": "color"
            },
            "400": {
                "value": "#6C61D1",
                "type": "color"
            },
            "500": {
                "value": "#4B3FB6",
                "type": "color"
            },
            "600": {
                "value": "#3F378B",
                "type": "color"
            },
            "700": {
                "value": "#312C63",
                "type": "color"
            },
            "800": {
                "value": "#232041",
                "type": "color"
            },
            "900": {
                "value": "#171528",
                "type": "color"
            }
        }
    }
}

Palettes built on #271B8D

Color Lab

Pairs with #271B8D

UI roles & guardrails

In real applications

Scales

Every model

Export