What color is #63587F?

#63587F is a medium, muted indigo. In RGB it is rgb(99, 88, 127), and in HSL hsl(257, 18%, 42%).

Is #63587F accessible as text?

On white, #63587F has a contrast ratio of 6.50:1 (passes WCAG AA for body text); on black it is 3.23:1 (fails). For text placed on #63587F, use white for the best readability.

What is the closest Tailwind color to #63587F?

The nearest Tailwind CSS token is mauve-600 (#594C5B).

What colors go well with #63587F?

#63587F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #737E58. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #63587F below.

Is #63587F good for buttons?

#63587F works well for buttons and highlights, but use white text on #63587F — black text only reaches 3.23:1, below the 4.5:1 needed for normal-size labels.

Is #63587F the same as CSS dimgray?

No — #63587F is not the CSS named color dimgray, but dimgray (#696969) 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.

#63587F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #63587F

Not just a swatch — here's how #63587F works with other colors. Named schemes with #63587F in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #63587F Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C8 Secondary #332B2F

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

Coastal Morning Lead · 5 colors

Lead #63587F Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

Ultra Violet 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 #63587F Secondary #AFB4B8 Surface #F1F2F0 Support #7F92A7 Anchor #2E3236

Ultra Violet 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 #63587F Secondary #7E4632 Surface #EDD8C2 Accent #355248 Anchor #582237

Ultra Violet 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 #63587F Secondary #898694 Support #9D9088 Ink #18140F

Ultra Violet 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 Ultra Violet carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #63587F 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 43/100

Neutral

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

Softness 46/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 50/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 56/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 55/100

Moderate

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

Brand distinctiveness 24/100

Low

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

UI accent fit 76/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 34/100

Low

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #63587F

For UI

For branding

For interior

For fashion

People also use #63587F with

Slate Gray Mauve Taupe Shadow Gainsboro Onyx

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 6.5:1. Use

Subtle surface Use #E0DEE5 for cards and hover fills. Tint 80

Avoid beside #70587E — 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 #63587F at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #63587F;
  --color-base-rgb: 99 88 127;
  --color-base-oklch: oklch(48.7% 0.063 297.0);
  --color-50: #F7F6F9;
  --color-100: #E9E7EE;
  --color-200: #D3CFDE;
  --color-300: #B3ACC3;
  --color-400: #938AA8;
  --color-500: #746B8A;
  --color-600: #5C566C;
  --color-700: #44404F;
  --color-800: #2F2C35;
  --color-900: #1E1C21;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  ultra-violet: {
    50: '#F7F6F9',
    100: '#E9E7EE',
    200: '#D3CFDE',
    300: '#B3ACC3',
    400: '#938AA8',
    500: '#746B8A',
    600: '#5C566C',
    700: '#44404F',
    800: '#2F2C35',
    900: '#1E1C21',
  },
}

$base: #63587F;
$base-ink: #FFFFFF;
$base-50: #F7F6F9;
$base-100: #E9E7EE;
$base-200: #D3CFDE;
$base-300: #B3ACC3;
$base-400: #938AA8;
$base-500: #746B8A;
$base-600: #5C566C;
$base-700: #44404F;
$base-800: #2F2C35;
$base-900: #1E1C21;
$base-hover: #4F4665;
$base-subtle: #D0CDD9;

{
    "color": {
        "base": {
            "value": "#63587F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F6F9",
                "type": "color"
            },
            "100": {
                "value": "#E9E7EE",
                "type": "color"
            },
            "200": {
                "value": "#D3CFDE",
                "type": "color"
            },
            "300": {
                "value": "#B3ACC3",
                "type": "color"
            },
            "400": {
                "value": "#938AA8",
                "type": "color"
            },
            "500": {
                "value": "#746B8A",
                "type": "color"
            },
            "600": {
                "value": "#5C566C",
                "type": "color"
            },
            "700": {
                "value": "#44404F",
                "type": "color"
            },
            "800": {
                "value": "#2F2C35",
                "type": "color"
            },
            "900": {
                "value": "#1E1C21",
                "type": "color"
            }
        }
    }
}

Palettes built on #63587F

Color Lab

Pairs with #63587F

UI roles & guardrails

In real applications

Scales

Every model

Export