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#acbbcf

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

RGB
172, 187, 207
HSL
214°, 27%, 74%
CMYK
17, 10, 0, 19
Luminance
0.4882

At a glance

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

Hex
#acbbcf
Hue
214°
blue
Saturation
27%
soft
Lightness
74%
light
Brightness
81%
HSV value
Perceived
73%
weighted brightness
Luminance
0.4882
WCAG relative
Temperature
Cool
86/100 cool
Color family
Blue
Tone
Soft
Best ink
Black
10.76:1
Closest name
Light Steel Blue
ΔE2000 3.1
Where it sits
Hue214° of 360°
Saturation27%
Lightness74%
Temperature
Warm ← → Cool86% 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#acbbcf
RGBrgb(172, 187, 207)
HSLhsl(214, 27%, 74%)
CMYKcmyk(17%, 10%, 0%, 19%)
LABlab(75.3 -1.0 -11.8)
LCHlch(75.3 11.8 265.2)
OKLCHoklch(0.787 0.033 255.6)
Decimal11320271
Display P3color(display-p3 0.675 0.733 0.812)

Copy-ready code

/* CSS */
color: #acbbcf;
background-color: #acbbcf;
/* Tailwind (arbitrary) */
class="text-[#acbbcf] bg-[#acbbcf]"
/* SCSS */
$brand: #acbbcf;
/* SwiftUI */
Color(red: 0.675, green: 0.733, blue: 0.812)
/* Android */
Color.parseColor("#acbbcf")
/* Flutter */
Color(0xFFACBBCF)
/* Python / OpenCV (BGR) */
(207, 187, 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 #acbbcf · 10.76:1
Use #000000AAA at every size.
Aa
White text · 1.95:1
AA fail · AA large fail · AAA fail
Aa
Black text · 10.76:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #acbbcf as text scores 1.95:1 on white and 10.76:1 on black.

Accessibility — WCAG contrast

Aa
#acbbcf on white: 1.95:1
AA ✗ fail · AA-large · AAA
Aa
#acbbcf on black: 10.76:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #B4BBD0
deuteranopia · #B1B8CF
tritanopia · #A3BFC1

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #acbbcf 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
#EDEFF3
#D6DDE6
#acbbcf
#94A8C1
#718BAD
#5A769B
#4B6281
#3C4E67
#2E3B4C
#1D2530
Base = 300Lightest = 50 · #F6F7F9Darkest = 950 · #1D2530
:root {
  --brand-50: #F6F7F9;
  --brand-100: #EDEFF3;
  --brand-200: #D6DDE6;
  --brand-300: #acbbcf;
  --brand-400: #94A8C1;
  --brand-500: #718BAD;
  --brand-600: #5A769B;
  --brand-700: #4B6281;
  --brand-800: #3C4E67;
  --brand-900: #2E3B4C;
  --brand-950: #1D2530;
  --brand: #acbbcf;
  --brand-ink: #000000;
}

Colors that work with #acbbcf

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#F5F7F9
Tinted page background
Border#CBD5E1
Hairlines and dividers
Muted text#546E91
Captions on the surface
Accent#865A46
Second voice, not a rival
Dark variant#2F3D51
Hover, pressed, headers
Light variant#EFF2F6
Selected rows, tints
Dark surface#151B24
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 #acbbcf

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#CFC0AC
Analogous left#ACCCCF
Analogous right#AEACCF
Split-complement 1#CFAEAC
Split-complement 2#CCCFAC
Triadic 1#CFACBB
Triadic 2#BBCFAC
Tetradic#CFACCC

RGB percentages

Red67.5%
Green73.3%
Blue81.2%

CMYK percentages

Cyan16.9%
Magenta9.7%
Yellow0.0%
Key (black)18.8%

Color previews

#acbbcf text on a black background

contrast 10.76:1

Card sample

#acbbcf text on a white background

contrast 1.95:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

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

Glowing headline

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

Soft neon halo

text-shadow: 0 0 14px rgba(172, 187, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 187, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #acbbcf;
background: linear-gradient(135deg, #acbbcf, #B4ACCF);

Monochromatic scale

Palettes built from #acbbcf

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.

#acbbcf 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.

#acbbcf, answered

What color is #acbbcf?

#acbbcf is a light soft blue, closest to Light Steel Blue (ΔE2000 3.1). It sits at 214° on the hue wheel with 27% saturation and 74% lightness, which reads as cool.

What is the RGB value of #acbbcf?

rgb(172, 187, 207) — 172 red, 187 green and 207 blue out of 255, or 67.5% / 73.3% / 81.2% by channel.

Is #acbbcf a light or a dark color?

It is a mid-tone. Relative luminance is 0.4882 and perceived brightness is 73%, so black text on it reaches 10.76:1.

Should I use black or white text on #acbbcf?

Black. It scores 10.76:1 against #acbbcf, versus 1.95:1 for white — AAA at any size.

What is the complementary color of #acbbcf?

#CFC0AC sits directly opposite on the wheel. Softer options are the split-complements #CFAEAC and #CCCFAC, which give the same contrast with far less vibration.

What colors go well with #acbbcf?

For interface work: #F5F7F9 as the surface, #CBD5E1 for borders, #546E91 for secondary text, #865A46 as an accent and #2F3D51 for hover and pressed states. For a palette, the analogous pair #ACCCCF and #AEACCF stays calm, while #CFC0AC is the loudest partner.

What is #acbbcf in CMYK for printing?

cmyk(17%, 10%, 0%, 19%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #acbbcf warm or cool?

Cool — it scores 86 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #ACAECF; nudged cooler, #9AAFC7.

Work with #acbbcf in the Color Lab