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#a4bbcf

a light, soft blue · cool · closest name: Light Steel Blue

RGB
164, 187, 207
HSL
208°, 31%, 73%
CMYK
21, 10, 0, 19
Luminance
0.4794

At a glance

Every number on this page in one read: what #a4bbcf is made of, how bright it looks, and which way it leans.

Hex
#a4bbcf
Hue
208°
blue
Saturation
31%
soft
Lightness
73%
light
Brightness
81%
HSV value
Perceived
72%
weighted brightness
Luminance
0.4794
WCAG relative
Temperature
Cool
93/100 cool
Color family
Blue
Tone
Soft
Best ink
Black
10.59:1
Closest name
Light Steel Blue
ΔE2000 4
Where it sits
Hue208° of 360°
Saturation31%
Lightness73%
Temperature
Warm ← → Cool93% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Every format

HEX#a4bbcf
RGBrgb(164, 187, 207)
HSLhsl(208, 31%, 73%)
CMYKcmyk(21%, 10%, 0%, 19%)
LABlab(74.8 -3.5 -12.7)
LCHlch(74.8 13.2 254.4)
OKLCHoklch(0.781 0.038 244.5)
Decimal10795983
Display P3color(display-p3 0.643 0.733 0.812)

Copy-ready code

/* CSS */
color: #a4bbcf;
background-color: #a4bbcf;
/* Tailwind (arbitrary) */
class="text-[#a4bbcf] bg-[#a4bbcf]"
/* SCSS */
$brand: #a4bbcf;
/* SwiftUI */
Color(red: 0.643, green: 0.733, blue: 0.812)
/* Android */
Color.parseColor("#a4bbcf")
/* Flutter */
Color(0xFFA4BBCF)
/* Python / OpenCV (BGR) */
(207, 187, 164)

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#000000 on #a4bbcf · 10.59:1
Use #000000AAA at every size.
Aa
White text · 1.98:1
AA fail · AA large fail · AAA fail
Aa
Black text · 10.59:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #a4bbcf as text scores 1.98:1 on white and 10.59:1 on black.

Accessibility — WCAG contrast

Aa
#a4bbcf on white: 1.98:1
AA ✗ fail · AA-large · AAA
Aa
#a4bbcf on black: 10.59:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #B3BBD0
deuteranopia · #AEB6CF
tritanopia · #99C0C1

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #a4bbcf is pinned to step 300; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F6F7F9
#ECF0F3
#D5DEE7
#a4bbcf
#91ADC5
#6C91B1
#557DA0
#466886
#38536B
#2C3E4F
#1B2731
Base = 300Lightest = 50 · #F6F7F9Darkest = 950 · #1B2731
:root {
  --brand-50: #F6F7F9;
  --brand-100: #ECF0F3;
  --brand-200: #D5DEE7;
  --brand-300: #a4bbcf;
  --brand-400: #91ADC5;
  --brand-500: #6C91B1;
  --brand-600: #557DA0;
  --brand-700: #466886;
  --brand-800: #38536B;
  --brand-900: #2C3E4F;
  --brand-950: #1B2731;
  --brand: #a4bbcf;
  --brand-ink: #000000;
}

Colors that work with #a4bbcf

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#000000
Black wins here
Surface#F5F8FA
Tinted page background
Border#CAD7E3
Hairlines and dividers
Muted text#4F7596
Captions on the surface
Accent#8A5242
Second voice, not a rival
Dark variant#2C4153
Hover, pressed, headers
Light variant#EEF3F6
Selected rows, tints
Dark surface#141D24
Dark-mode background
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

How to use #a4bbcf

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Text and icons on dark surfaces
  • Charts, tags and secondary surfaces
  • Card and section backgrounds
  • Brand accents, badges and data highlights
Use with care
  • Text of any size on white — fails WCAG AA
  • White text placed on it
  • Pairing with a same-lightness hue — edges vibrate

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#CFB8A4
Analogous left#A4CFCD
Analogous right#A4A5CF
Split-complement 1#CFA4A5
Split-complement 2#CFCDA4
Triadic 1#CFA4BB
Triadic 2#BBCFA4
Tetradic#CDA4CF

RGB percentages

Red64.3%
Green73.3%
Blue81.2%

CMYK percentages

Cyan20.8%
Magenta9.7%
Yellow0.0%
Key (black)18.8%

Color previews

#a4bbcf text on a black background

contrast 10.59:1

Card sample

#a4bbcf text on a white background

contrast 1.98:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #a4bbcf;
Background color
Panel with #a4bbcf background
background-color: #a4bbcf;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #a4bbcf;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(164, 187, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(164, 187, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a4bbcf;
background: linear-gradient(135deg, #a4bbcf, #AAA4CF);

Monochromatic scale

Palettes built from #a4bbcf

Shades — darker

Tints — lighter

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#a4bbcf in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
TechnologyFinanceHealthcareEnterprise SaaS
Common UI roles
SurfacesBadgesHighlightsEmpty states
Print note

Converts to four-color process without much drama. Proof it anyway.

#a4bbcf, answered

What color is #a4bbcf?

#a4bbcf is a light soft blue, closest to Light Steel Blue (ΔE2000 4). It sits at 208° on the hue wheel with 31% saturation and 73% lightness, which reads as cool.

What is the RGB value of #a4bbcf?

rgb(164, 187, 207) — 164 red, 187 green and 207 blue out of 255, or 64.3% / 73.3% / 81.2% by channel.

Is #a4bbcf a light or a dark color?

It is a mid-tone. Relative luminance is 0.4794 and perceived brightness is 72%, so black text on it reaches 10.59:1.

Should I use black or white text on #a4bbcf?

Black. It scores 10.59:1 against #a4bbcf, versus 1.98:1 for white — AAA at any size.

What is the complementary color of #a4bbcf?

#CFB8A4 sits directly opposite on the wheel. Softer options are the split-complements #CFA4A5 and #CFCDA4, which give the same contrast with far less vibration.

What colors go well with #a4bbcf?

For interface work: #F5F8FA as the surface, #CAD7E3 for borders, #4F7596 for secondary text, #8A5242 as an accent and #2C4153 for hover and pressed states. For a palette, the analogous pair #A4CFCD and #A4A5CF stays calm, while #CFB8A4 is the loudest partner.

What is #a4bbcf in CMYK for printing?

cmyk(21%, 10%, 0%, 19%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #a4bbcf warm or cool?

Cool — it scores 93 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #A4ABCF; nudged cooler, #92ACC8.

Work with #a4bbcf in the Color Lab