What color is #210B31?

#210B31 is a very dark violet. In RGB it is rgb(33, 11, 49), and in HSL hsl(275, 63%, 12%).

Is #210B31 accessible as text?

On white, #210B31 has a contrast ratio of 18.15:1 (passes WCAG AA for body text); on black it is 1.16:1 (fails). For text placed on #210B31, use white for the best readability.

What is the closest Tailwind color to #210B31?

The nearest Tailwind CSS token is mauve-900 (#1D161E).

What colors go well with #210B31?

#210B31 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1B320B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #210B31 below.

Is #210B31 good for buttons?

#210B31 works well for buttons and highlights, but use white text on #210B31 — black text only reaches 1.16:1, below the 4.5:1 needed for normal-size labels.

Is #210B31 the same as CSS midnightblue?

No — #210B31 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.

#210B31 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #210B31

Not just a swatch — here's how #210B31 works with other colors. Named schemes with #210B31 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #210B31 Secondary #7E4631 Surface #EDD8C1 Accent #355249 Anchor #592236

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.

Japanese Sand Base · 5 colors

Base #210B31 Surface #F2E8DC Highlight #F8F0E7 Secondary #BDADA1 Ink #2C2723

Deep Purple sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #210B31 Anchor #141210 Accent #D99955 Secondary #2C2631 Surface #F3ECE3

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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #210B31 Secondary #3E3644 Support #9C9088 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.

Berry & Cream Lead · 5 colors

Lead #210B31 Surface #F5E6D7 Anchor #5C213F Accent #E5C2C7 Secondary #332B2F

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

Build a working theme in the generator →

Color Lab

How #210B31 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 45/100

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 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 79/100

High

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

Brand distinctiveness 28/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 14/100

Very low

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

Surface fit 49/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #210B31

For UI

For branding

For interior

For fashion

People also use #210B31 with

Navy Deep Purple Sacramento Green Gainsboro Onyx

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 18.2:1. Use

Subtle surface Use #D6BEE6 for cards and hover fills. Tint 80

Avoid beside #2F0B32 — 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 #210B31 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: #210B31;
  --color-base-rgb: 33 11 49;
  --color-base-oklch: oklch(20.8% 0.074 307.8);
  --color-50: #F8F2FD;
  --color-100: #EDDDF8;
  --color-200: #DABDF0;
  --color-300: #BE8FE0;
  --color-400: #A265CD;
  --color-500: #8443B2;
  --color-600: #673A88;
  --color-700: #4C2E61;
  --color-800: #332140;
  --color-900: #201627;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  deep-purple: {
    50: '#F8F2FD',
    100: '#EDDDF8',
    200: '#DABDF0',
    300: '#BE8FE0',
    400: '#A265CD',
    500: '#8443B2',
    600: '#673A88',
    700: '#4C2E61',
    800: '#332140',
    900: '#201627',
  },
}

$base: #210B31;
$base-ink: #FFFFFF;
$base-50: #F8F2FD;
$base-100: #EDDDF8;
$base-200: #DABDF0;
$base-300: #BE8FE0;
$base-400: #A265CD;
$base-500: #8443B2;
$base-600: #673A88;
$base-700: #4C2E61;
$base-800: #332140;
$base-900: #201627;
$base-hover: #1B0928;
$base-subtle: #C19BDC;

{
    "color": {
        "base": {
            "value": "#210B31",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F2FD",
                "type": "color"
            },
            "100": {
                "value": "#EDDDF8",
                "type": "color"
            },
            "200": {
                "value": "#DABDF0",
                "type": "color"
            },
            "300": {
                "value": "#BE8FE0",
                "type": "color"
            },
            "400": {
                "value": "#A265CD",
                "type": "color"
            },
            "500": {
                "value": "#8443B2",
                "type": "color"
            },
            "600": {
                "value": "#673A88",
                "type": "color"
            },
            "700": {
                "value": "#4C2E61",
                "type": "color"
            },
            "800": {
                "value": "#332140",
                "type": "color"
            },
            "900": {
                "value": "#201627",
                "type": "color"
            }
        }
    }
}