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#acabb3

a light, muted gray · neutral · closest name: Dark Gray

RGB
172, 171, 179
HSL
248°, 5%, 69%
CMYK
4, 5, 0, 30
Luminance
0.4115

At a glance

Every number on this page in one read: what #acabb3 is made of, how bright it looks, and which way it leans.

Hex
#acabb3
Hue
248°
gray
Saturation
5%
muted
Lightness
69%
light
Brightness
70%
HSV value
Perceived
68%
weighted brightness
Luminance
0.4115
WCAG relative
Temperature
Neutral
54/100 cool
Color family
Gray
Tone
Muted
Best ink
Black
9.23:1
Closest name
Dark Gray
ΔE2000 4.5
Where it sits
Hue248° of 360°
Saturation5%
Lightness69%
Temperature
Warm ← → Cool54% cool

Near-neutral, so temperature is a whisper rather than a statement — the tinted siblings below show which way it can lean.

Every format

HEX#acabb3
RGBrgb(172, 171, 179)
HSLhsl(248, 5%, 69%)
CMYKcmyk(4%, 5%, 0%, 30%)
LABlab(70.3 1.9 -4.0)
LCHlch(70.3 4.4 295.5)
OKLCHoklch(0.745 0.011 291.9)
Decimal11316147
Display P3color(display-p3 0.675 0.671 0.702)

Copy-ready code

/* CSS */
color: #acabb3;
background-color: #acabb3;
/* Tailwind (arbitrary) */
class="text-[#acabb3] bg-[#acabb3]"
/* SCSS */
$brand: #acabb3;
/* SwiftUI */
Color(red: 0.675, green: 0.671, blue: 0.702)
/* Android */
Color.parseColor("#acabb3")
/* Flutter */
Color(0xFFACABB3)
/* Python / OpenCV (BGR) */
(179, 171, 172)

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 #acabb3 · 9.23:1
Use #000000AAA at every size.
Aa
White text · 2.28:1
AA fail · AA large fail · AAA fail
Aa
Black text · 9.23:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #acabb3 as text scores 2.28:1 on white and 9.23:1 on black.

Accessibility — WCAG contrast

Aa
#acabb3 on white: 2.28:1
AA ✗ fail · AA-large · AAA
Aa
#acabb3 on black: 9.23:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #A9ACB3
deuteranopia · #A9ACB3
tritanopia · #ABACAD

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #acabb3 is pinned to step 400; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F7F7F8
#EFEFF0
#DDDCDF
#C5C4CA
#acabb3
#8B8994
#767481
#62616B
#4F4E56
#3B3A40
#252428
Base = 400Lightest = 50 · #F7F7F8Darkest = 950 · #252428
:root {
  --brand-50: #F7F7F8;
  --brand-100: #EFEFF0;
  --brand-200: #DDDCDF;
  --brand-300: #C5C4CA;
  --brand-400: #acabb3;
  --brand-500: #8B8994;
  --brand-600: #767481;
  --brand-700: #62616B;
  --brand-800: #4F4E56;
  --brand-900: #3B3A40;
  --brand-950: #252428;
  --brand: #acabb3;
  --brand-ink: #000000;
}

Colors that work with #acabb3

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#F7F7F8
Tinted page background
Border#D5D4D8
Hairlines and dividers
Muted text#6E6D78
Captions on the surface
Accent#6F6C5D
Second voice, not a rival
Dark variant#3D3D43
Hover, pressed, headers
Light variant#F2F2F3
Selected rows, tints
Dark surface#1B1B1D
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 #acabb3

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

Works well for
  • Text and icons on dark surfaces
  • Borders, dividers and quiet backgrounds
  • Long-form reading surfaces
  • Card and section backgrounds
  • Neutral UI chrome and typography
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#B2B3AB
Analogous left#ABAEB3
Analogous right#B0ABB3
Split-complement 1#B3B0AB
Split-complement 2#AEB3AB
Triadic 1#B3ACAB
Triadic 2#ABB3AC
Tetradic#B3ABAE

RGB percentages

Red67.5%
Green67.1%
Blue70.2%

CMYK percentages

Cyan3.9%
Magenta4.5%
Yellow0.0%
Key (black)29.8%

Color previews

#acabb3 text on a black background

contrast 9.23:1

Card sample

#acabb3 text on a white background

contrast 2.28:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #acabb3;
Background color
Panel with #acabb3 background
background-color: #acabb3;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #acabb3;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(172, 171, 179, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 171, 179, 0.45);
Border & gradient
Gradient panel
border: 3px solid #acabb3;
background: linear-gradient(135deg, #acabb3, #B1ABB3);

Monochromatic scale

Palettes built from #acabb3

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.

#acabb3 in the real world

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

Industries
EditorialArchitectureEnterpriseLuxury goods
Common UI roles
BackgroundsBordersBody textDividers
Print note

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

#acabb3, answered

What color is #acabb3?

#acabb3 is a light muted gray, closest to Dark Gray (ΔE2000 4.5). It sits at 248° on the hue wheel with 5% saturation and 69% lightness, which reads as neutral.

What is the RGB value of #acabb3?

rgb(172, 171, 179) — 172 red, 171 green and 179 blue out of 255, or 67.5% / 67.1% / 70.2% by channel.

Is #acabb3 a light or a dark color?

It is a mid-tone. Relative luminance is 0.4115 and perceived brightness is 68%, so black text on it reaches 9.23:1.

Should I use black or white text on #acabb3?

Black. It scores 9.23:1 against #acabb3, versus 2.28:1 for white — AAA at any size.

What is the complementary color of #acabb3?

#B2B3AB sits directly opposite on the wheel. Softer options are the split-complements #B3B0AB and #AEB3AB, which give the same contrast with far less vibration.

What colors go well with #acabb3?

For interface work: #F7F7F8 as the surface, #D5D4D8 for borders, #6E6D78 for secondary text, #6F6C5D as an accent and #3D3D43 for hover and pressed states. For a palette, the analogous pair #ABAEB3 and #B0ABB3 stays calm, while #B2B3AB is the loudest partner.

What is #acabb3 in CMYK for printing?

cmyk(4%, 5%, 0%, 30%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #acabb3 warm or cool?

Neutral — it scores 54 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #BFB3AA; nudged cooler, #9EA9B6.

Work with #acabb3 in the Color Lab