What color is #487FB3?

#487FB3 is a medium blue. In RGB it is rgb(72, 127, 179), and in HSL hsl(209, 43%, 49%).

Is #487FB3 accessible as text?

On white, #487FB3 has a contrast ratio of 4.23:1 (fails WCAG AA for body text); on black it is 4.96:1 (passes). For text placed on #487FB3, use black for the best readability.

What is the closest Tailwind color to #487FB3?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #487FB3?

#487FB3 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B37B47. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #487FB3 below.

Is #487FB3 good for buttons?

#487FB3 works well for buttons and highlights, but use black text on #487FB3 — white text only reaches 4.23:1, below the 4.5:1 needed for normal-size labels.

Is #487FB3 the same as CSS steelblue?

No — #487FB3 is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#487FB3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #487FB3

Not just a swatch — here's how #487FB3 works with other colors. Named schemes with #487FB3 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #487FB3 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Tech Product Signal · 5 colors

Signal #487FB3 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #72A4D4

Steel Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Steel Blue.

Vintage Leather Lead · 5 colors

Lead #487FB3 Secondary #7F4438 Surface #E1DDC0 Accent #375245 Anchor #57233B

Steel 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.

Berry & Cream Lead · 5 colors

Lead #487FB3 Surface #EDE9D6 Anchor #5A2245 Accent #E4C2CB Secondary #322B2F

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #487FB3 Secondary #95A7BA Support #969386 Ink #16140F

Steel 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 Steel Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #487FB3 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 22/100

Cool

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

Softness 49/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 42/100

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 55/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 49/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 27/100

Low

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

UI accent fit 89/100

Very high

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

Surface fit 30/100

Low

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

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #487FB3

For UI

For branding

For interior

For fashion

People also use #487FB3 with

Robin Egg Blue Cerulean Copper Gainsboro Charcoal

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

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 4.4:1. Use

Subtle surface Use #DDE5ED for cards and hover fills. Tint 80

Avoid beside #475BB3 — 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 #487FB3 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: #487FB3;
  --color-base-rgb: 72 127 179;
  --color-base-oklch: oklch(58.1% 0.100 248.7);
  --color-50: #F4F7FB;
  --color-100: #E1EBF4;
  --color-200: #C5D7E8;
  --color-300: #9CB9D3;
  --color-400: #759ABD;
  --color-500: #557CA0;
  --color-600: #46627C;
  --color-700: #364859;
  --color-800: #26313B;
  --color-900: #191F24;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F4F7FB',
    100: '#E1EBF4',
    200: '#C5D7E8',
    300: '#9CB9D3',
    400: '#759ABD',
    500: '#557CA0',
    600: '#46627C',
    700: '#364859',
    800: '#26313B',
    900: '#191F24',
  },
}

$base: #487FB3;
$base-ink: #141310;
$base-50: #F4F7FB;
$base-100: #E1EBF4;
$base-200: #C5D7E8;
$base-300: #9CB9D3;
$base-400: #759ABD;
$base-500: #557CA0;
$base-600: #46627C;
$base-700: #364859;
$base-800: #26313B;
$base-900: #191F24;
$base-hover: #39658F;
$base-subtle: #CBD8E5;

{
    "color": {
        "base": {
            "value": "#487FB3",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F7FB",
                "type": "color"
            },
            "100": {
                "value": "#E1EBF4",
                "type": "color"
            },
            "200": {
                "value": "#C5D7E8",
                "type": "color"
            },
            "300": {
                "value": "#9CB9D3",
                "type": "color"
            },
            "400": {
                "value": "#759ABD",
                "type": "color"
            },
            "500": {
                "value": "#557CA0",
                "type": "color"
            },
            "600": {
                "value": "#46627C",
                "type": "color"
            },
            "700": {
                "value": "#364859",
                "type": "color"
            },
            "800": {
                "value": "#26313B",
                "type": "color"
            },
            "900": {
                "value": "#191F24",
                "type": "color"
            }
        }
    }
}

Palettes built on #487FB3

Color Lab

Pairs with #487FB3

UI roles & guardrails

In real applications

Scales

Every model

Export