What color is #1D87BB?

#1D87BB is a medium, vivid cyan-blue. In RGB it is rgb(29, 135, 187), and in HSL hsl(200, 73%, 42%).

Is #1D87BB accessible as text?

On white, #1D87BB has a contrast ratio of 4.01:1 (fails WCAG AA for body text); on black it is 5.24:1 (passes). For text placed on #1D87BB, use black for the best readability.

What is the closest Tailwind color to #1D87BB?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #1D87BB?

#1D87BB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B9511D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1D87BB below.

Is #1D87BB good for buttons?

#1D87BB works well for buttons and highlights, but use black text on #1D87BB — white text only reaches 4.01:1, below the 4.5:1 needed for normal-size labels.

Is #1D87BB the same as CSS steelblue?

No — #1D87BB is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#1D87BB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1D87BB

Not just a swatch — here's how #1D87BB works with other colors. Named schemes with #1D87BB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #1D87BB Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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 #1D87BB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #59ACDC

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 #1D87BB Secondary #6E5215 Surface #E2DDC0 Accent #385245 Anchor #57233C

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 #1D87BB Surface #EEE9D6 Anchor #592247 Accent #E4C2CC Secondary #322B30

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 #1D87BB Secondary #90ADBF 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 #1D87BB 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 47/100

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 47/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 48/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 92/100

Very high

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

Surface fit 25/100

Low

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

Print safety 70/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1D87BB

For UI

For branding

For interior

For fashion

People also use #1D87BB with

Turquoise Egyptian Blue Rust Platinum Charcoal

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 4.6:1. Use

Subtle surface Use #D2E7F1 for cards and hover fills. Tint 80

Avoid beside #1D51B9 — 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 #1D87BB 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: #1D87BB;
  --color-base-rgb: 29 135 187;
  --color-base-oklch: oklch(59.1% 0.120 236.5);
  --color-50: #F1F9FD;
  --color-100: #DBF0FA;
  --color-200: #B9E0F4;
  --color-300: #88C7E7;
  --color-400: #5DADD5;
  --color-500: #3A90BB;
  --color-600: #33708E;
  --color-700: #2A5165;
  --color-800: #1F3642;
  --color-900: #152228;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F1F9FD',
    100: '#DBF0FA',
    200: '#B9E0F4',
    300: '#88C7E7',
    400: '#5DADD5',
    500: '#3A90BB',
    600: '#33708E',
    700: '#2A5165',
    800: '#1F3642',
    900: '#152228',
  },
}

$base: #1D87BB;
$base-ink: #141310;
$base-50: #F1F9FD;
$base-100: #DBF0FA;
$base-200: #B9E0F4;
$base-300: #88C7E7;
$base-400: #5DADD5;
$base-500: #3A90BB;
$base-600: #33708E;
$base-700: #2A5165;
$base-800: #1F3642;
$base-900: #152228;
$base-hover: #176B94;
$base-subtle: #BADBEB;

{
    "color": {
        "base": {
            "value": "#1D87BB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F9FD",
                "type": "color"
            },
            "100": {
                "value": "#DBF0FA",
                "type": "color"
            },
            "200": {
                "value": "#B9E0F4",
                "type": "color"
            },
            "300": {
                "value": "#88C7E7",
                "type": "color"
            },
            "400": {
                "value": "#5DADD5",
                "type": "color"
            },
            "500": {
                "value": "#3A90BB",
                "type": "color"
            },
            "600": {
                "value": "#33708E",
                "type": "color"
            },
            "700": {
                "value": "#2A5165",
                "type": "color"
            },
            "800": {
                "value": "#1F3642",
                "type": "color"
            },
            "900": {
                "value": "#152228",
                "type": "color"
            }
        }
    }
}

Palettes built on #1D87BB

Color Lab

Pairs with #1D87BB

UI roles & guardrails

In real applications

Scales

Every model

Export