What color is #816DEB?

#816DEB is a light, vivid indigo. In RGB it is rgb(129, 109, 235), and in HSL hsl(250, 76%, 67%).

Is #816DEB accessible as text?

On white, #816DEB has a contrast ratio of 3.95:1 (fails WCAG AA for body text); on black it is 5.32:1 (passes). For text placed on #816DEB, use black for the best readability.

What is the closest Tailwind color to #816DEB?

The nearest Tailwind CSS token is indigo-400 (#7C86FF).

What colors go well with #816DEB?

#816DEB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D5EB6B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #816DEB below.

Is #816DEB good for buttons?

#816DEB works well for buttons and highlights, but use black text on #816DEB — white text only reaches 3.95:1, below the 4.5:1 needed for normal-size labels.

Is #816DEB the same as CSS mediumslateblue?

No — #816DEB is not the CSS named color mediumslateblue, but mediumslateblue (#7B68EE) is the closest CSS named color.

#816DEB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #816DEB

Not just a swatch — here's how #816DEB works with other colors. Named schemes with #816DEB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #816DEB Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

Medium Slate 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 #816DEB Secondary #7E4533 Surface #EDD8C2 Accent #365247 Anchor #582238

Medium Slate 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.

Modern Café Dominant · 5 colors

Dominant #816DEB Anchor #3B2923 Surface #F3E1D2 Accent #759F7C Secondary #3C3734

Medium Slate Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Berry & Cream Lead · 5 colors

Lead #816DEB Surface #F5E5D7 Anchor #5B2141 Accent #E5C2C8 Secondary #332B2F

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #816DEB Secondary #ACAAD7 Support #9D9088 Ink #18140F

Medium Slate 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 Medium Slate Blue carrying the quiet middle.

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Color Lab

How #816DEB 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 23/100

Cool

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

Softness 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 41/100

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 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 82/100

Very high

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

Surface fit 19/100

Very low

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

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #816DEB

For UI

For branding

For interior

For fashion

People also use #816DEB with

Maya Blue Orchid Pear Gainsboro Prussian Blue

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 #E8E5F7 for cards and hover fills. Tint 80

Avoid beside #AB6BEB — 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 #816DEB 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: #816DEB;
  --color-base-rgb: 129 109 235;
  --color-base-oklch: oklch(61.6% 0.183 287.0);
  --color-50: #F3F1FE;
  --color-100: #E0DAFB;
  --color-200: #C2B7F5;
  --color-300: #9787E9;
  --color-400: #6F5AD8;
  --color-500: #4E37BD;
  --color-600: #413290;
  --color-700: #332966;
  --color-800: #241E43;
  --color-900: #181429;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-slate-blue: {
    50: '#F3F1FE',
    100: '#E0DAFB',
    200: '#C2B7F5',
    300: '#9787E9',
    400: '#6F5AD8',
    500: '#4E37BD',
    600: '#413290',
    700: '#332966',
    800: '#241E43',
    900: '#181429',
  },
}

$base: #816DEB;
$base-ink: #141310;
$base-50: #F3F1FE;
$base-100: #E0DAFB;
$base-200: #C2B7F5;
$base-300: #9787E9;
$base-400: #6F5AD8;
$base-500: #4E37BD;
$base-600: #413290;
$base-700: #332966;
$base-800: #241E43;
$base-900: #181429;
$base-hover: #4D2FE3;
$base-subtle: #DCD7F4;

{
    "color": {
        "base": {
            "value": "#816DEB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E0DAFB",
                "type": "color"
            },
            "200": {
                "value": "#C2B7F5",
                "type": "color"
            },
            "300": {
                "value": "#9787E9",
                "type": "color"
            },
            "400": {
                "value": "#6F5AD8",
                "type": "color"
            },
            "500": {
                "value": "#4E37BD",
                "type": "color"
            },
            "600": {
                "value": "#413290",
                "type": "color"
            },
            "700": {
                "value": "#332966",
                "type": "color"
            },
            "800": {
                "value": "#241E43",
                "type": "color"
            },
            "900": {
                "value": "#181429",
                "type": "color"
            }
        }
    }
}

Palettes built on #816DEB

Color Lab

Pairs with #816DEB

UI roles & guardrails

In real applications

Scales

Every model

Export