Nearest named color: Light Steel Blue
#A4C5E8
#A4C5E8
Nearest named
Light Steel Blue
Family
Blue
Lightness
81.1%
Chroma
0.061
Hue angle
250.1°
Temperature
Cool
Contrast on white
1.79:1 · Fail
Contrast on black
10.38:1 · AAA
Web-safe
#99CCFF
CSS oklch()
81% 0.06 250

#A4C5E8 is a soft, cool indigo. On the Color Lab it reads clean and engineered. It holds up as a large surface and is too pale to lead as a primary accent.

Palettes built on #A4C5E8

Not just a swatch — here's how #A4C5E8 works with other colors. Named schemes with #A4C5E8 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Light Steel 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

Light Steel 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

Light Steel 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

Light 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 Light Steel Blue.

Minimal Editorial Surface · 5 colors

Light 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 Light Steel Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #A4C5E8 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 33/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 73/100
High
Soft and easy on the eye — gentle backdrops, calm surfaces.
Depth 18/100
Very low
Airy and open — recedes, leaves the composition light.
Naturalness 0/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 32/100
Low
A faint retro warmth without tipping into sepia.
Luxury 25/100
Low
Playful and accessible rather than exclusive.
Brand distinctiveness 24/100
Low
Quiet and neutral — a supporting tone, not a signature.
UI accent fit 20/100
Very low
Weak as an action color — too pale, too dark or too muted to signal.
Surface fit 63/100
High
Calm enough for large fills — backgrounds, cards, sections.
Print safety 87/100
Very high
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #A4C5E8

For UI
For branding
For interior
For fashion
People also use #A4C5E8 with

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 10.4:1. Use
Subtle surface Use #EFF4F9 for cards and hover fills. Tint 80
Avoid beside #A5AFE9 — 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 #A4C5E8 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

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #A4C5E8;
  --color-base-rgb: 164 197 232;
  --color-base-oklch: oklch(81.1% 0.061 250.1);
  --color-50: #F2F7FC;
  --color-100: #DEEAF8;
  --color-200: #BED5EF;
  --color-300: #91B6DE;
  --color-400: #6797CB;
  --color-500: #4679AF;
  --color-600: #3C6086;
  --color-700: #2F4760;
  --color-800: #22303F;
  --color-900: #161E27;
  --color-on-base: #141310;
}