What color is #203379?

#203379 is a dark blue. In RGB it is rgb(32, 51, 121), and in HSL hsl(227, 58%, 30%).

Is #203379 accessible as text?

On white, #203379 has a contrast ratio of 11.60:1 (passes WCAG AA for body text); on black it is 1.81:1 (fails). For text placed on #203379, use white for the best readability.

What is the closest Tailwind color to #203379?

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

What colors go well with #203379?

#203379 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #796620. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #203379 below.

Is #203379 good for buttons?

#203379 works well for buttons and highlights, but use white text on #203379 — black text only reaches 1.81:1, below the 4.5:1 needed for normal-size labels.

Is #203379 the same as CSS midnightblue?

No — #203379 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#203379 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #203379

Not just a swatch — here's how #203379 works with other colors. Named schemes with #203379 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #203379 Anchor #141210 Accent #DD9659 Secondary #252933 Surface #F4ECE3

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 #203379 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #1C1342

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 #203379 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 #203379 Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #58223A

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 #203379 Secondary #566079 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.

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Color Lab

How #203379 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 21/100

Cool

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

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 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 70/100

High

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

Brand distinctiveness 47/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 56/100

Moderate

Workable accent with care around contrast.

Surface fit 25/100

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 #203379

For UI

For branding

For interior

For fashion

People also use #203379 with

Teal Blue Indigo Raw Umber Gainsboro Gunmetal Gray

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 11.6:1. Use

Subtle surface Use #CCD3EA for cards and hover fills. Tint 80

Avoid beside #2A2079 — 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 #203379 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: #203379;
  --color-base-rgb: 32 51 121;
  --color-base-oklch: oklch(35.0% 0.122 268.0);
  --color-50: #F2F5FC;
  --color-100: #DEE4F7;
  --color-200: #BFC9EE;
  --color-300: #92A2DD;
  --color-400: #697EC9;
  --color-500: #475DAD;
  --color-600: #3D4C85;
  --color-700: #303A5F;
  --color-800: #23293E;
  --color-900: #171A26;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  yale-blue: {
    50: '#F2F5FC',
    100: '#DEE4F7',
    200: '#BFC9EE',
    300: '#92A2DD',
    400: '#697EC9',
    500: '#475DAD',
    600: '#3D4C85',
    700: '#303A5F',
    800: '#23293E',
    900: '#171A26',
  },
}

$base: #203379;
$base-ink: #FFFFFF;
$base-50: #F2F5FC;
$base-100: #DEE4F7;
$base-200: #BFC9EE;
$base-300: #92A2DD;
$base-400: #697EC9;
$base-500: #475DAD;
$base-600: #3D4C85;
$base-700: #303A5F;
$base-800: #23293E;
$base-900: #171A26;
$base-hover: #1A2961;
$base-subtle: #B2BCE1;

{
    "color": {
        "base": {
            "value": "#203379",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F5FC",
                "type": "color"
            },
            "100": {
                "value": "#DEE4F7",
                "type": "color"
            },
            "200": {
                "value": "#BFC9EE",
                "type": "color"
            },
            "300": {
                "value": "#92A2DD",
                "type": "color"
            },
            "400": {
                "value": "#697EC9",
                "type": "color"
            },
            "500": {
                "value": "#475DAD",
                "type": "color"
            },
            "600": {
                "value": "#3D4C85",
                "type": "color"
            },
            "700": {
                "value": "#303A5F",
                "type": "color"
            },
            "800": {
                "value": "#23293E",
                "type": "color"
            },
            "900": {
                "value": "#171A26",
                "type": "color"
            }
        }
    }
}

Palettes built on #203379

Color Lab

Pairs with #203379

UI roles & guardrails

In real applications

Scales

Every model

Export