What color is #373459?

#373459 is a dark, muted blue-violet. In RGB it is rgb(55, 52, 89), and in HSL hsl(245, 26%, 28%).

Is #373459 accessible as text?

On white, #373459 has a contrast ratio of 11.68:1 (passes WCAG AA for body text); on black it is 1.80:1 (fails). For text placed on #373459, use white for the best readability.

What is the closest Tailwind color to #373459?

The nearest Tailwind CSS token is mauve-700 (#463947).

What colors go well with #373459?

#373459 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #575A35. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #373459 below.

Is #373459 good for buttons?

#373459 works well for buttons and highlights, but use white text on #373459 — black text only reaches 1.80:1, below the 4.5:1 needed for normal-size labels.

Is #373459 the same as CSS darkslateblue?

No — #373459 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#373459 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #373459

Not just a swatch — here's how #373459 works with other colors. Named schemes with #373459 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #373459 Accent #A5C4C3 Surface #E9D5BF Secondary #9AA0A1 Anchor #22334A

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

Nordic Calm Accent · 5 colors

Accent #373459 Secondary #AFB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

Charcoal keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #373459 Secondary #7E4533 Surface #EDD8C2 Accent #365247 Anchor #582238

Charcoal plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Luxury Packaging Feature · 5 colors

Feature #373459 Anchor #141210 Accent #DB9757 Secondary #282832 Surface #F3ECE3

Charcoal 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 #373459 Secondary #5E5E6C Support #9D9088 Ink #18140F

Charcoal 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 Charcoal carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #373459 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 39/100

Neutral

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 63/100

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 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

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

Brand distinctiveness 25/100

Low

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

UI accent fit 44/100

Moderate

Workable accent with care around contrast.

Surface fit 43/100

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 #373459

For UI

For branding

For interior

For fashion

People also use #373459 with

Iron Gray Eggplant Ebony 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 11.7:1. Use

Subtle surface Use #D5D3E1 for cards and hover fills. Tint 80

Avoid beside #44355A — 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 #373459 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: #373459;
  --color-base-rgb: 55 52 89;
  --color-base-oklch: oklch(34.6% 0.064 286.3);
  --color-50: #F6F5FA;
  --color-100: #E6E5F0;
  --color-200: #CDCCE1;
  --color-300: #AAA7C8;
  --color-400: #8783AF;
  --color-500: #676491;
  --color-600: #535171;
  --color-700: #3F3D52;
  --color-800: #2B2A37;
  --color-900: #1C1B22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  charcoal: {
    50: '#F6F5FA',
    100: '#E6E5F0',
    200: '#CDCCE1',
    300: '#AAA7C8',
    400: '#8783AF',
    500: '#676491',
    600: '#535171',
    700: '#3F3D52',
    800: '#2B2A37',
    900: '#1C1B22',
  },
}

$base: #373459;
$base-ink: #FFFFFF;
$base-50: #F6F5FA;
$base-100: #E6E5F0;
$base-200: #CDCCE1;
$base-300: #AAA7C8;
$base-400: #8783AF;
$base-500: #676491;
$base-600: #535171;
$base-700: #3F3D52;
$base-800: #2B2A37;
$base-900: #1C1B22;
$base-hover: #2D2A48;
$base-subtle: #BFBDD3;

{
    "color": {
        "base": {
            "value": "#373459",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F5FA",
                "type": "color"
            },
            "100": {
                "value": "#E6E5F0",
                "type": "color"
            },
            "200": {
                "value": "#CDCCE1",
                "type": "color"
            },
            "300": {
                "value": "#AAA7C8",
                "type": "color"
            },
            "400": {
                "value": "#8783AF",
                "type": "color"
            },
            "500": {
                "value": "#676491",
                "type": "color"
            },
            "600": {
                "value": "#535171",
                "type": "color"
            },
            "700": {
                "value": "#3F3D52",
                "type": "color"
            },
            "800": {
                "value": "#2B2A37",
                "type": "color"
            },
            "900": {
                "value": "#1C1B22",
                "type": "color"
            }
        }
    }
}

Palettes built on #373459

Color Lab

Pairs with #373459

UI roles & guardrails

In real applications

Scales

Every model

Export