What color is #28327F?

#28327F is a dark blue-violet. In RGB it is rgb(40, 50, 127), and in HSL hsl(233, 52%, 33%).

Is #28327F accessible as text?

On white, #28327F has a contrast ratio of 11.33:1 (passes WCAG AA for body text); on black it is 1.85:1 (fails). For text placed on #28327F, use white for the best readability.

What is the closest Tailwind color to #28327F?

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

What colors go well with #28327F?

#28327F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #807628. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #28327F below.

Is #28327F good for buttons?

#28327F works well for buttons and highlights, but use white text on #28327F — black text only reaches 1.85:1, below the 4.5:1 needed for normal-size labels.

Is #28327F the same as CSS darkslateblue?

No — #28327F is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#28327F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #28327F

Not just a swatch — here's how #28327F works with other colors. Named schemes with #28327F in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #28327F Anchor #141210 Accent #DC9659 Secondary #252833 Surface #F3ECE3

Yale 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 #28327F Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #201245

Yale 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 Yale Blue.

Coastal Morning Lead · 5 colors

Lead #28327F Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Yale 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 #28327F Secondary #7F4535 Surface #EED7C2 Accent #365247 Anchor #582239

Yale 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 #28327F Secondary #5A617D Support #9D8F88 Ink #18140F

Yale 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 Yale Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #28327F 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 22/100

Cool

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

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 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 50/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 60/100

Moderate

Workable accent with care around contrast.

Surface fit 22/100

Low

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

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #28327F

For UI

For branding

For interior

For fashion

People also use #28327F with

Teal Blue Dark Slate Blue Olive Brown 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 #D0D3EA for cards and hover fills. Tint 80

Avoid beside #3B2880 — 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 #28327F 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: #28327F;
  --color-base-rgb: 40 50 127;
  --color-base-oklch: oklch(35.8% 0.129 272.5);
  --color-50: #F3F4FC;
  --color-100: #DFE2F6;
  --color-200: #C1C6EB;
  --color-300: #969ED9;
  --color-400: #6E78C4;
  --color-500: #4D57A8;
  --color-600: #414881;
  --color-700: #32375C;
  --color-800: #24273D;
  --color-900: #181926;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  yale-blue: {
    50: '#F3F4FC',
    100: '#DFE2F6',
    200: '#C1C6EB',
    300: '#969ED9',
    400: '#6E78C4',
    500: '#4D57A8',
    600: '#414881',
    700: '#32375C',
    800: '#24273D',
    900: '#181926',
  },
}

$base: #28327F;
$base-ink: #FFFFFF;
$base-50: #F3F4FC;
$base-100: #DFE2F6;
$base-200: #C1C6EB;
$base-300: #969ED9;
$base-400: #6E78C4;
$base-500: #4D57A8;
$base-600: #414881;
$base-700: #32375C;
$base-800: #24273D;
$base-900: #181926;
$base-hover: #202866;
$base-subtle: #B7BCE0;

{
    "color": {
        "base": {
            "value": "#28327F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F4FC",
                "type": "color"
            },
            "100": {
                "value": "#DFE2F6",
                "type": "color"
            },
            "200": {
                "value": "#C1C6EB",
                "type": "color"
            },
            "300": {
                "value": "#969ED9",
                "type": "color"
            },
            "400": {
                "value": "#6E78C4",
                "type": "color"
            },
            "500": {
                "value": "#4D57A8",
                "type": "color"
            },
            "600": {
                "value": "#414881",
                "type": "color"
            },
            "700": {
                "value": "#32375C",
                "type": "color"
            },
            "800": {
                "value": "#24273D",
                "type": "color"
            },
            "900": {
                "value": "#181926",
                "type": "color"
            }
        }
    }
}

Palettes built on #28327F

Color Lab

Pairs with #28327F

UI roles & guardrails

In real applications

Scales

Every model

Export