What color is #90DAEF?

#90DAEF is a light, vivid cyan. In RGB it is rgb(144, 218, 239), and in HSL hsl(193, 75%, 75%).

Is #90DAEF accessible as text?

On white, #90DAEF has a contrast ratio of 1.56:1 (fails WCAG AA for body text); on black it is 13.46:1 (passes). For text placed on #90DAEF, use black for the best readability.

What is the closest Tailwind color to #90DAEF?

The nearest Tailwind CSS token is sky-300 (#74D4FF).

What colors go well with #90DAEF?

#90DAEF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EFA48F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #90DAEF below.

Is #90DAEF good for buttons?

#90DAEF works well for buttons and highlights, but use black text on #90DAEF — white text only reaches 1.56:1, below the 4.5:1 needed for normal-size labels.

Is #90DAEF the same as CSS lightblue?

No — #90DAEF is not the CSS named color lightblue, but lightblue (#ADD8E6) is the closest CSS named color.

#90DAEF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #90DAEF

Not just a swatch — here's how #90DAEF works with other colors. Named schemes with #90DAEF in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #90DAEF Secondary #AEB4B8 Surface #F1F2F0 Support #7B94A5 Anchor #2E3236

Light Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Coastal Morning Lead · 5 colors

Lead #90DAEF Accent #A6C4BF Surface #DFDABF Secondary #9AA0A0 Anchor #1E3549

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

Japanese Sand Base · 5 colors

Base #90DAEF Surface #ECEADC Highlight #F4F2E7 Secondary #B3B19F Ink #2A2723

Light Blue sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Tech Product Signal · 5 colors

Signal #90DAEF Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #BEFFFF

Light 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 Light Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #90DAEF Secondary #E6FFFF Support #969386 Ink #16140F

Light 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 Light Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #90DAEF 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 27/100

Cool

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

Softness 72/100

High

Soft and easy on the eye — gentle backdrops, calm surfaces.

Depth 15/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 21/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 30/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 15/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 61/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #90DAEF

For UI

For branding

For interior

For fashion

People also use #90DAEF with

Seafoam Iceberg Dusty Rose Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AAA

Body text Do not use for body copy on light surfaces. Avoid

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 11.9:1. Use

Subtle surface Use #EBF6F9 for cards and hover fills. Tint 80

Avoid beside #8FBAEF — 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 #90DAEF 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: #90DAEF;
  --color-base-rgb: 144 218 239;
  --color-base-oklch: oklch(84.7% 0.079 217.6);
  --color-50: #F1FBFE;
  --color-100: #DAF4FB;
  --color-200: #B8E7F5;
  --color-300: #87D3E8;
  --color-400: #5BBCD7;
  --color-500: #38A0BC;
  --color-600: #327B90;
  --color-700: #295966;
  --color-800: #1E3B42;
  --color-900: #142429;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-blue: {
    50: '#F1FBFE',
    100: '#DAF4FB',
    200: '#B8E7F5',
    300: '#87D3E8',
    400: '#5BBCD7',
    500: '#38A0BC',
    600: '#327B90',
    700: '#295966',
    800: '#1E3B42',
    900: '#142429',
  },
}

$base: #90DAEF;
$base-ink: #141310;
$base-50: #F1FBFE;
$base-100: #DAF4FB;
$base-200: #B8E7F5;
$base-300: #87D3E8;
$base-400: #5BBCD7;
$base-500: #38A0BC;
$base-600: #327B90;
$base-700: #295966;
$base-800: #1E3B42;
$base-900: #142429;
$base-hover: #4DC4E6;
$base-subtle: #E1F2F7;

{
    "color": {
        "base": {
            "value": "#90DAEF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FBFE",
                "type": "color"
            },
            "100": {
                "value": "#DAF4FB",
                "type": "color"
            },
            "200": {
                "value": "#B8E7F5",
                "type": "color"
            },
            "300": {
                "value": "#87D3E8",
                "type": "color"
            },
            "400": {
                "value": "#5BBCD7",
                "type": "color"
            },
            "500": {
                "value": "#38A0BC",
                "type": "color"
            },
            "600": {
                "value": "#327B90",
                "type": "color"
            },
            "700": {
                "value": "#295966",
                "type": "color"
            },
            "800": {
                "value": "#1E3B42",
                "type": "color"
            },
            "900": {
                "value": "#142429",
                "type": "color"
            }
        }
    }
}

Palettes built on #90DAEF

Color Lab

Pairs with #90DAEF

UI roles & guardrails

In real applications

Scales

Every model

Export