What color is #310337?

#310337 is a very dark, vivid purple. In RGB it is rgb(49, 3, 55), and in HSL hsl(293, 90%, 11%).

Is #310337 accessible as text?

On white, #310337 has a contrast ratio of 17.52:1 (passes WCAG AA for body text); on black it is 1.20:1 (fails). For text placed on #310337, use white for the best readability.

What is the closest Tailwind color to #310337?

The nearest Tailwind CSS token is fuchsia-950 (#4B004F).

What colors go well with #310337?

#310337 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #093503. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #310337 below.

Is #310337 good for buttons?

#310337 works well for buttons and highlights, but use white text on #310337 — black text only reaches 1.20:1, below the 4.5:1 needed for normal-size labels.

Is #310337 the same as CSS midnightblue?

No — #310337 is not the CSS named color midnightblue, but midnightblue (#191970) 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.

#310337 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #310337

Not just a swatch — here's how #310337 works with other colors. Named schemes with #310337 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #310337 Anchor #141210 Accent #D79A53 Secondary #2E262F Surface #F3EDE3

Deep Purple 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 #310337 Anchor #2A2A2E Secondary #6F6E74 Surface #EEE5DA Accent #12000B

Deep Purple 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 Deep Purple.

Berry & Cream Lead · 5 colors

Lead #310337 Surface #F5E6D7 Anchor #5D203E Accent #E6C2C6 Secondary #332B2E

Deep Purple sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Vintage Leather Lead · 5 colors

Lead #310337 Secondary #7E472F Surface #ECD8C1 Accent #345249 Anchor #592234

Deep Purple 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 #310337 Secondary #49394A Support #9C9087 Ink #18140F

Deep Purple 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 Deep Purple carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #310337 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 51/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 21/100

Low

Firm and assertive — carries weight and contrast.

Depth 77/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 39/100

Low

A faint retro warmth without tipping into sepia.

Luxury 80/100

Very high

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

Brand distinctiveness 39/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 19/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #310337

For UI

For branding

For interior

For fashion

People also use #310337 with

Midnight Blue Deep Purple Sacramento Green Gainsboro Eggplant

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 17.5:1. Use

Subtle surface Use #E8B4EF for cards and hover fills. Tint 80

Avoid beside #35032A — 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 #310337 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: #310337;
  --color-base-rgb: 49 3 55;
  --color-base-oklch: oklch(22.9% 0.101 322.8);
  --color-50: #FDF0FE;
  --color-100: #F9D8FD;
  --color-200: #F2B2FB;
  --color-300: #E47EF2;
  --color-400: #D24FE3;
  --color-500: #B72BCA;
  --color-600: #8C2999;
  --color-700: #63236C;
  --color-800: #411B46;
  --color-900: #28122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  deep-purple: {
    50: '#FDF0FE',
    100: '#F9D8FD',
    200: '#F2B2FB',
    300: '#E47EF2',
    400: '#D24FE3',
    500: '#B72BCA',
    600: '#8C2999',
    700: '#63236C',
    800: '#411B46',
    900: '#28122B',
  },
}

$base: #310337;
$base-ink: #FFFFFF;
$base-50: #FDF0FE;
$base-100: #F9D8FD;
$base-200: #F2B2FB;
$base-300: #E47EF2;
$base-400: #D24FE3;
$base-500: #B72BCA;
$base-600: #8C2999;
$base-700: #63236C;
$base-800: #411B46;
$base-900: #28122B;
$base-hover: #26022B;
$base-subtle: #DF8CE9;

{
    "color": {
        "base": {
            "value": "#310337",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDF0FE",
                "type": "color"
            },
            "100": {
                "value": "#F9D8FD",
                "type": "color"
            },
            "200": {
                "value": "#F2B2FB",
                "type": "color"
            },
            "300": {
                "value": "#E47EF2",
                "type": "color"
            },
            "400": {
                "value": "#D24FE3",
                "type": "color"
            },
            "500": {
                "value": "#B72BCA",
                "type": "color"
            },
            "600": {
                "value": "#8C2999",
                "type": "color"
            },
            "700": {
                "value": "#63236C",
                "type": "color"
            },
            "800": {
                "value": "#411B46",
                "type": "color"
            },
            "900": {
                "value": "#28122B",
                "type": "color"
            }
        }
    }
}