What color is #310BA2?

#310BA2 is a dark, vivid indigo. In RGB it is rgb(49, 11, 162), and in HSL hsl(255, 87%, 34%).

Is #310BA2 accessible as text?

On white, #310BA2 has a contrast ratio of 12.35:1 (passes WCAG AA for body text); on black it is 1.70:1 (fails). For text placed on #310BA2, use white for the best readability.

What is the closest Tailwind color to #310BA2?

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

What colors go well with #310BA2?

#310BA2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #7CA20B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #310BA2 below.

Is #310BA2 good for buttons?

#310BA2 works well for buttons and highlights, but use white text on #310BA2 — black text only reaches 1.70:1, below the 4.5:1 needed for normal-size labels.

Is #310BA2 the same as CSS indigo?

No — #310BA2 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#310BA2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #310BA2

Not just a swatch — here's how #310BA2 works with other colors. Named schemes with #310BA2 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #310BA2 Anchor #141210 Accent #DC9758 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.

Moody Editorial Color · 5 colors

Color #310BA2 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #280057

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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #310BA2 Secondary #585D8A 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.

Coastal Morning Lead · 5 colors

Lead #310BA2 Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

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

Sunset Warmth Glow · 5 colors

Glow #310BA2 Secondary #E86A71 Accent #F6934E Anchor #583B57 Surface #F7E7D7

Zaffre glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

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Color Lab

How #310BA2 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 17/100

Cool

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

Softness 23/100

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 17/100

Very low

Clean and current — no dusty, aged cast.

Luxury 62/100

High

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

Brand distinctiveness 80/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 49/100

Moderate

Workable accent with care around contrast.

Surface fit 17/100

Very low

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

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #310BA2

For UI

For branding

For interior

For fashion

People also use #310BA2 with

Sapphire Blue Mauveine Olive Drab 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 12.4:1. Use

Subtle surface Use #D3C8F2 for cards and hover fills. Tint 80

Avoid beside #630BA2 — 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 #310BA2 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: #310BA2;
  --color-base-rgb: 49 11 162;
  --color-base-oklch: oklch(35.3% 0.207 278.7);
  --color-50: #F4F0FE;
  --color-100: #E1D8FD;
  --color-200: #C5B3FA;
  --color-300: #9C7FF0;
  --color-400: #7551E1;
  --color-500: #542EC7;
  --color-600: #462B97;
  --color-700: #36246B;
  --color-800: #261C45;
  --color-900: #19132A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  zaffre: {
    50: '#F4F0FE',
    100: '#E1D8FD',
    200: '#C5B3FA',
    300: '#9C7FF0',
    400: '#7551E1',
    500: '#542EC7',
    600: '#462B97',
    700: '#36246B',
    800: '#261C45',
    900: '#19132A',
  },
}

$base: #310BA2;
$base-ink: #FFFFFF;
$base-50: #F4F0FE;
$base-100: #E1D8FD;
$base-200: #C5B3FA;
$base-300: #9C7FF0;
$base-400: #7551E1;
$base-500: #542EC7;
$base-600: #462B97;
$base-700: #36246B;
$base-800: #261C45;
$base-900: #19132A;
$base-hover: #270982;
$base-subtle: #BCABEE;

{
    "color": {
        "base": {
            "value": "#310BA2",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F0FE",
                "type": "color"
            },
            "100": {
                "value": "#E1D8FD",
                "type": "color"
            },
            "200": {
                "value": "#C5B3FA",
                "type": "color"
            },
            "300": {
                "value": "#9C7FF0",
                "type": "color"
            },
            "400": {
                "value": "#7551E1",
                "type": "color"
            },
            "500": {
                "value": "#542EC7",
                "type": "color"
            },
            "600": {
                "value": "#462B97",
                "type": "color"
            },
            "700": {
                "value": "#36246B",
                "type": "color"
            },
            "800": {
                "value": "#261C45",
                "type": "color"
            },
            "900": {
                "value": "#19132A",
                "type": "color"
            }
        }
    }
}

Palettes built on #310BA2

Color Lab

Pairs with #310BA2

UI roles & guardrails

In real applications

Scales

Every model

Export