What color is #817CA5?

#817CA5 is a medium, muted indigo. In RGB it is rgb(129, 124, 165), and in HSL hsl(247, 19%, 57%).

Is #817CA5 accessible as text?

On white, #817CA5 has a contrast ratio of 3.92:1 (fails WCAG AA for body text); on black it is 5.36:1 (passes). For text placed on #817CA5, use black for the best readability.

What is the closest Tailwind color to #817CA5?

The nearest Tailwind CSS token is mauve-500 (#79697B).

What colors go well with #817CA5?

#817CA5 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A1A67D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #817CA5 below.

Is #817CA5 good for buttons?

#817CA5 works well for buttons and highlights, but use black text on #817CA5 — white text only reaches 3.92:1, below the 4.5:1 needed for normal-size labels.

Is #817CA5 the same as CSS lightslategray?

No — #817CA5 is not the CSS named color lightslategray, but lightslategray (#778899) 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.

#817CA5 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #817CA5

Not just a swatch — here's how #817CA5 works with other colors. Named schemes with #817CA5 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #817CA5 Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 Secondary #332B2F

Light Slate Gray sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Coastal Morning Lead · 5 colors

Lead #817CA5 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

Light Slate Gray 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 #817CA5 Secondary #AFB4B8 Surface #F1F2F0 Support #7F92A7 Anchor #2E3236

Light Slate Gray 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 #817CA5 Secondary #7E4633 Surface #EDD8C2 Accent #355248 Anchor #582237

Light Slate Gray 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 #817CA5 Secondary #ACABBA Support #9D9088 Ink #18140F

Light Slate Gray 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 Light Slate Gray carrying the quiet middle.

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Color Lab

How #817CA5 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 41/100

Neutral

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

Softness 56/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 38/100

Low

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 55/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 24/100

Low

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

UI accent fit 70/100

High

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

Surface fit 44/100

Moderate

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 #817CA5

For UI

For branding

For interior

For fashion

People also use #817CA5 with

Cadet Grey Cool Gray Sage Gainsboro Onyx

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 4.7:1. Use

Subtle surface Use #E7E6EC for cards and hover fills. Tint 80

Avoid beside #8F7DA6 — 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 #817CA5 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: #817CA5;
  --color-base-rgb: 129 124 165;
  --color-base-oklch: oklch(60.6% 0.062 290.0);
  --color-50: #F6F6F9;
  --color-100: #E7E7EF;
  --color-200: #D0CEDE;
  --color-300: #AEABC4;
  --color-400: #8D89A9;
  --color-500: #6E6A8B;
  --color-600: #58556D;
  --color-700: #42404F;
  --color-800: #2D2C35;
  --color-900: #1D1C21;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-slate-gray: {
    50: '#F6F6F9',
    100: '#E7E7EF',
    200: '#D0CEDE',
    300: '#AEABC4',
    400: '#8D89A9',
    500: '#6E6A8B',
    600: '#58556D',
    700: '#42404F',
    800: '#2D2C35',
    900: '#1D1C21',
  },
}

$base: #817CA5;
$base-ink: #141310;
$base-50: #F6F6F9;
$base-100: #E7E7EF;
$base-200: #D0CEDE;
$base-300: #AEABC4;
$base-400: #8D89A9;
$base-500: #6E6A8B;
$base-600: #58556D;
$base-700: #42404F;
$base-800: #2D2C35;
$base-900: #1D1C21;
$base-hover: #635E8A;
$base-subtle: #DAD9E3;

{
    "color": {
        "base": {
            "value": "#817CA5",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F6F9",
                "type": "color"
            },
            "100": {
                "value": "#E7E7EF",
                "type": "color"
            },
            "200": {
                "value": "#D0CEDE",
                "type": "color"
            },
            "300": {
                "value": "#AEABC4",
                "type": "color"
            },
            "400": {
                "value": "#8D89A9",
                "type": "color"
            },
            "500": {
                "value": "#6E6A8B",
                "type": "color"
            },
            "600": {
                "value": "#58556D",
                "type": "color"
            },
            "700": {
                "value": "#42404F",
                "type": "color"
            },
            "800": {
                "value": "#2D2C35",
                "type": "color"
            },
            "900": {
                "value": "#1D1C21",
                "type": "color"
            }
        }
    }
}

Palettes built on #817CA5

Color Lab

Pairs with #817CA5

UI roles & guardrails

In real applications

Scales

Every model

Export