What color is #616BDB?

#616BDB is a light, soft blue-violet. In RGB it is rgb(97, 107, 219), and in HSL hsl(235, 63%, 62%).

Is #616BDB accessible as text?

On white, #616BDB has a contrast ratio of 4.53:1 (passes WCAG AA for body text); on black it is 4.63:1 (passes). For text placed on #616BDB, use black for the best readability.

What is the closest Tailwind color to #616BDB?

The nearest Tailwind CSS token is indigo-500 (#615FFF).

What colors go well with #616BDB?

#616BDB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DBD161. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #616BDB below.

Is #616BDB good for buttons?

#616BDB works for buttons; black text has the higher contrast, so prefer it for labels.

Is #616BDB the same as CSS royalblue?

No — #616BDB is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#616BDB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #616BDB

Not just a swatch — here's how #616BDB works with other colors. Named schemes with #616BDB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #616BDB Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #21344A

Royal 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 #616BDB Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

Royal 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 #616BDB Anchor #3B2923 Surface #F3E1D2 Accent #769F7B Secondary #3C3734

Royal 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 #616BDB Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 Secondary #322B2F

Royal 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 #616BDB Secondary #99A1C9 Support #9D9088 Ink #18140F

Royal 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 Royal Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #616BDB 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 15/100

Cool

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

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

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 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 93/100

Very high

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

Surface fit 15/100

Very low

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

Print safety 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #616BDB

For UI

For branding

For interior

For fashion

People also use #616BDB with

Sky Blue Amethyst Citrine Gainsboro Prussian Blue

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 4.5:1. Use

Subtle surface Use #E3E4F4 for cards and hover fills. Tint 80

Avoid beside #8061DB — 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 #616BDB 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: #616BDB;
  --color-base-rgb: 97 107 219;
  --color-base-oklch: oklch(57.7% 0.169 275.9);
  --color-50: #F2F3FD;
  --color-100: #DDDFF8;
  --color-200: #BDC1F0;
  --color-300: #8F96E0;
  --color-400: #656ECD;
  --color-500: #434CB2;
  --color-600: #3A4088;
  --color-700: #2E3261;
  --color-800: #212440;
  --color-900: #161727;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  royal-blue: {
    50: '#F2F3FD',
    100: '#DDDFF8',
    200: '#BDC1F0',
    300: '#8F96E0',
    400: '#656ECD',
    500: '#434CB2',
    600: '#3A4088',
    700: '#2E3261',
    800: '#212440',
    900: '#161727',
  },
}

$base: #616BDB;
$base-ink: #141310;
$base-50: #F2F3FD;
$base-100: #DDDFF8;
$base-200: #BDC1F0;
$base-300: #8F96E0;
$base-400: #656ECD;
$base-500: #434CB2;
$base-600: #3A4088;
$base-700: #2E3261;
$base-800: #212440;
$base-900: #161727;
$base-hover: #2F3CCE;
$base-subtle: #D4D6F0;

{
    "color": {
        "base": {
            "value": "#616BDB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F3FD",
                "type": "color"
            },
            "100": {
                "value": "#DDDFF8",
                "type": "color"
            },
            "200": {
                "value": "#BDC1F0",
                "type": "color"
            },
            "300": {
                "value": "#8F96E0",
                "type": "color"
            },
            "400": {
                "value": "#656ECD",
                "type": "color"
            },
            "500": {
                "value": "#434CB2",
                "type": "color"
            },
            "600": {
                "value": "#3A4088",
                "type": "color"
            },
            "700": {
                "value": "#2E3261",
                "type": "color"
            },
            "800": {
                "value": "#212440",
                "type": "color"
            },
            "900": {
                "value": "#161727",
                "type": "color"
            }
        }
    }
}

Palettes built on #616BDB

Color Lab

Pairs with #616BDB

UI roles & guardrails

In real applications

Scales

Every model

Export