What color is #2A7FBB?

#2A7FBB is a medium cyan-blue. In RGB it is rgb(42, 127, 187), and in HSL hsl(205, 63%, 45%).

Is #2A7FBB accessible as text?

On white, #2A7FBB has a contrast ratio of 4.33:1 (fails WCAG AA for body text); on black it is 4.85:1 (passes). For text placed on #2A7FBB, use black for the best readability.

What is the closest Tailwind color to #2A7FBB?

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

What colors go well with #2A7FBB?

#2A7FBB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BB672A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2A7FBB below.

Is #2A7FBB good for buttons?

#2A7FBB works well for buttons and highlights, but use black text on #2A7FBB — white text only reaches 4.33:1, below the 4.5:1 needed for normal-size labels.

Is #2A7FBB the same as CSS steelblue?

No — #2A7FBB is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#2A7FBB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2A7FBB

Not just a swatch — here's how #2A7FBB works with other colors. Named schemes with #2A7FBB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #2A7FBB Accent #A5C4C0 Surface #DEDBBF Secondary #9AA0A0 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 #2A7FBB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #5DA4DC

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 #2A7FBB Secondary #7F4438 Surface #E1DDC0 Accent #375245 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 #2A7FBB Surface #EEE9D6 Anchor #5A2246 Accent #E4C2CB 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 #2A7FBB Secondary #8DA7BC 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 #2A7FBB 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 46/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 43/100

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 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 33/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 95/100

Very high

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

Surface fit 23/100

Low

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

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2A7FBB

For UI

For branding

For interior

For fashion

People also use #2A7FBB with

Medium Turquoise Egyptian Blue 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 white text at 4.3:1. Use

Subtle surface Use #D6E5F0 for cards and hover fills. Tint 80

Avoid beside #2A4FBB — 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 #2A7FBB 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: #2A7FBB;
  --color-base-rgb: 42 127 187;
  --color-base-oklch: oklch(57.5% 0.122 244.0);
  --color-50: #F2F8FD;
  --color-100: #DDEDF8;
  --color-200: #BDDAF0;
  --color-300: #8FBEE0;
  --color-400: #65A2CD;
  --color-500: #4384B2;
  --color-600: #3A6788;
  --color-700: #2E4C61;
  --color-800: #213340;
  --color-900: #162027;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F2F8FD',
    100: '#DDEDF8',
    200: '#BDDAF0',
    300: '#8FBEE0',
    400: '#65A2CD',
    500: '#4384B2',
    600: '#3A6788',
    700: '#2E4C61',
    800: '#213340',
    900: '#162027',
  },
}

$base: #2A7FBB;
$base-ink: #141310;
$base-50: #F2F8FD;
$base-100: #DDEDF8;
$base-200: #BDDAF0;
$base-300: #8FBEE0;
$base-400: #65A2CD;
$base-500: #4384B2;
$base-600: #3A6788;
$base-700: #2E4C61;
$base-800: #213340;
$base-900: #162027;
$base-hover: #226596;
$base-subtle: #C1D8E9;

{
    "color": {
        "base": {
            "value": "#2A7FBB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F8FD",
                "type": "color"
            },
            "100": {
                "value": "#DDEDF8",
                "type": "color"
            },
            "200": {
                "value": "#BDDAF0",
                "type": "color"
            },
            "300": {
                "value": "#8FBEE0",
                "type": "color"
            },
            "400": {
                "value": "#65A2CD",
                "type": "color"
            },
            "500": {
                "value": "#4384B2",
                "type": "color"
            },
            "600": {
                "value": "#3A6788",
                "type": "color"
            },
            "700": {
                "value": "#2E4C61",
                "type": "color"
            },
            "800": {
                "value": "#213340",
                "type": "color"
            },
            "900": {
                "value": "#162027",
                "type": "color"
            }
        }
    }
}

Palettes built on #2A7FBB

Color Lab

Pairs with #2A7FBB

UI roles & guardrails

In real applications

Scales

Every model

Export