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blue · cool

#b4bacf

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

Token name suggestion: Meadow Denim

RGB
180, 186, 207
HSL
227°, 22%, 76%
CMYK
13, 10, 0, 19
Luminance
0.4933

#b4bacf is a light soft blue, 227° on the wheel and 76/100 on the cool side. Put black text on it (10.87:1). As text it scores 1.93:1 on white — use #69759F instead. Nearest name is Light Steel Blue, nearest Tailwind family is sky.

hsl(227 22% 76%)rgb(180 186 207)Base step 300AAA inkCool

At a glance

Every number on this page in one read: what #b4bacf is made of, how bright it looks, and which way it leans.

Hex
#b4bacf
Hue
227°
blue
Saturation
22%
soft
Lightness
76%
light
Brightness
81%
HSV value
Perceived
73%
weighted brightness
Luminance
0.4933
WCAG relative
Temperature
Cool
76/100 cool
Color family
Blue
Tone
Soft
Best ink
Black
10.87:1
Closest name
Light Steel Blue
ΔE2000 5.7
Chroma
11.5
LCH, 0–130ish
OKLCH L
0.791
perceptual lightness
Tailwind
sky
500 · ΔE 23
Web-safe
#CCCCCC
nearest of 216
Where it sits
Hue227° of 360°
Saturation22%
Lightness76%
Saturation × lightness field

Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #b4bacf.

Temperature
Warm ← → Cool76% cool

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

Luminance by channel
Red20%
Green71%
Blue9%

Green carries most of what the eye calls brightness — that is why WCAG weights it 0.7152.

Every format

HEX#b4bacf
HEX (8-digit)#b4bacfff
RGBrgb(180, 186, 207)
RGBArgba(180, 186, 207, 1)
HSLhsl(227, 22%, 76%)
HSV / HSBhsv(227, 13%, 81%)
HWBhwb(227 71% 19%)
CMYKcmyk(13%, 10%, 0%, 19%)
LABlab(75.7 2.1 -11.3)
LCHlch(75.7 11.5 280.7)
OKLCHoklch(0.791 0.030 273.0)
XYZ (D65)xyz(47.64, 49.33, 66.03)
Decimal11844303
Display P3color(display-p3 0.706 0.729 0.812)
Web-safe#CCCCCC

Copy-ready code

every platformclick to select
/* CSS */
color: #b4bacf;
background-color: #b4bacf;
/* CSS custom property */
--brand: #b4bacf;
/* Tailwind (arbitrary) */
class="text-[#b4bacf] bg-[#b4bacf]"
/* SCSS */
$brand: #b4bacf;
/* SwiftUI */
Color(red: 0.706, green: 0.729, blue: 0.812)
/* UIKit */
UIColor(red: 0.706, green: 0.729, blue: 0.812, alpha: 1)
/* Android XML */
<color name="brand">#B4BACF</color>
/* Android Compose */
Color(0xFFB4BACF)
/* Flutter */
Color(0xFFB4BACF)
/* Python / OpenCV (BGR) */
(207, 186, 180)
/* Python / PIL (RGB) */
(180, 186, 207)
/* Java AWT */
new Color(180, 186, 207)
/* .NET */
Color.FromArgb(255, 180, 186, 207)
/* OpenGL / Unity (0–1) */
(0.7059f, 0.7294f, 0.8118f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{180,186,207}
modern cssclick to select
/* mix without leaving CSS */
background: color-mix(in oklab, #b4bacf 85%, white);
border-color: color-mix(in oklab, #b4bacf 40%, transparent);
/* theme-aware in one line */
color: light-dark(#32384E, #DADDE7);
/* relative colour syntax */
--hover: hsl(from #b4bacf h s calc(l - 7));

Design tokens

The same ramp in the four formats a team actually needs. Paste one and the whole palette lands with it.

css custom propertiesclick to select
:root {
  --brand-50: #F6F7F9;
  --brand-100: #EDEEF2;
  --brand-200: #D7DAE4;
  --brand-300: #b4bacf;
  --brand-400: #98A1BD;
  --brand-500: #7681A7;
  --brand-600: #5F6B95;
  --brand-700: #505A7C;
  --brand-800: #404864;
  --brand-900: #31364A;
  --brand-950: #1F222E;
  --brand: #b4bacf;
  --brand-ink: #000000;
  --brand-surface: #F6F6F9;
  --brand-border: #CDD1DF;
  --brand-hover: #9EA6C1;
  --brand-pressed: #8892B3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand-surface: #161922;
    --brand-ink: #DADDE7;
  }
}
tailwind.config.jsclick to select
theme: {
  extend: {
    colors: {
      brand: {
        50: '#F6F7F9',
        100: '#EDEEF2',
        200: '#D7DAE4',
        300: '#b4bacf',
        400: '#98A1BD',
        500: '#7681A7',
        600: '#5F6B95',
        700: '#505A7C',
        800: '#404864',
        900: '#31364A',
        950: '#1F222E',
        DEFAULT: '#b4bacf',
      },
    },
  },
}
scss mapclick to select
$brand: (
  '50': #F6F7F9,
  '100': #EDEEF2,
  '200': #D7DAE4,
  '300': #b4bacf,
  '400': #98A1BD,
  '500': #7681A7,
  '600': #5F6B95,
  '700': #505A7C,
  '800': #404864,
  '900': #31364A,
  '950': #1F222E,
);
$brand-base: #b4bacf;
$brand-ink: #000000;

@function brand($step) { @return map-get($brand, $step); }
w3c design tokens (json)click to select
{
  "color": {
    "brand": {
      "50": { "$value": "#F6F7F9", "$type": "color" },
      "100": { "$value": "#EDEEF2", "$type": "color" },
      "200": { "$value": "#D7DAE4", "$type": "color" },
      "300": { "$value": "#b4bacf", "$type": "color" },
      "400": { "$value": "#98A1BD", "$type": "color" },
      "500": { "$value": "#7681A7", "$type": "color" },
      "600": { "$value": "#5F6B95", "$type": "color" },
      "700": { "$value": "#505A7C", "$type": "color" },
      "800": { "$value": "#404864", "$type": "color" },
      "900": { "$value": "#31364A", "$type": "color" },
      "950": { "$value": "#1F222E", "$type": "color" }
    },
    "brandInk": { "$value": "#000000", "$type": "color" }
  }
}

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 #b4bacf · 10.87:1
Use #000000AAA at every size.
Aa
12px
Aa
16px
Aa
24px
Aa
White text · 1.93:1
AA fail · AA large fail · AAA fail
Aa
Black text · 10.87:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #b4bacf as text scores 1.93:1 on white and 10.87:1 on black.
Best tinted ink on it, if plain black or white feels flat: #32384E at 6.00:1.

Make it accessible

A contrast checker tells you that you failed. This tells you what to ship instead — same hue, same saturation, lightness moved only as far as WCAG demands.

The quick fox
#69759F · 4.52:1
AA on white−24% L
#69759F
The quick fox
#4D5779 · 7.11:1
AAA on white−37% L
#4D5779
The quick fox
#b4bacf · 10.87:1
AA on blackalready passes
#b4bacf
The quick fox
#b4bacf · 10.87:1
AAA on blackalready passes
#b4bacf

Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #8892B3 is enough for headings on white. Non-text elements such as icons, chart strokes and focus rings also sit at 3:1 under WCAG 2.2 (1.4.11).

Accessibility — WCAG contrast

Aa
#b4bacf on white: 1.93:1
AA ✗ fail · AA-large · AAA
Aa
#b4bacf on black: 10.87:1
AA ✓ pass · AA-large · AAA
Against the neutral ladder

Contrast is symmetric, so each row covers both directions: #b4bacf as text on that neutral, and that neutral as text on #b4bacf.

NeutralRatioBoth directions
White1.93:1AaAa
Slate 501.85:1AaAa
Slate 1001.76:1AaAa
Slate 2001.57:1AaAa
Slate 3001.30:1AaAa
Slate 4001.33:1AaAa
Slate 5002.46:1AaAa
Slate 6003.92:1AaAa
Slate 7005.36:1AaAa
Slate 8007.57:1AaAa
Slate 9009.24:1AaAa
Black10.87:1AaAa
Colour vision deficiency
true color
protanopia · #B4BCD0
deuteranopia · #B3B9CE
tritanopia · #AEBEC1

Roughly one man in twelve has some form of colour vision deficiency. If any of the three panels above is hard to tell apart from a neighbouring colour in your palette, add a shape, an icon or a label so the meaning does not rest on hue alone.

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #b4bacf 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
#EDEEF2
#D7DAE4
#b4bacf
#98A1BD
#7681A7
#5F6B95
#505A7C
#404864
#31364A
#1F222E
Base = 300Lightest = 50 · #F6F7F9Darkest = 950 · #1F222EText step on white = 600
Perceptual ramp — OKLCH

The same eleven steps expressed in OKLCH, where equal lightness numbers actually look equally spaced. HSL ramps go muddy in the yellows and washed out in the blues; this one does not. Modern browsers render it natively — the hex ramp above is the fallback.

50100200300400500600700800900950
oklch tokensclick to select
:root {
  --brand-50: oklch(0.97 0.008 273.0);
  --brand-100: oklch(0.94 0.012 273.0);
  --brand-200: oklch(0.88 0.018 273.0);
  --brand-300: oklch(0.80 0.024 273.0);
  --brand-400: oklch(0.72 0.028 273.0);
  --brand-500: oklch(0.64 0.030 273.0);
  --brand-600: oklch(0.56 0.030 273.0);
  --brand-700: oklch(0.48 0.029 273.0);
  --brand-800: oklch(0.40 0.026 273.0);
  --brand-900: oklch(0.32 0.021 273.0);
  --brand-950: oklch(0.24 0.017 273.0);
}

Colors that work with #b4bacf

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#F6F6F9
Tinted page background
Border#CDD1DF
Hairlines and dividers
Muted text#5A658C
Captions on the surface
Accent#81664B
Second voice, not a rival
Dark variant#32384E
Hover, pressed, headers
Light variant#EFF1F5
Selected rows, tints
Dark surface#161922
Dark-mode background
Hover#9EA6C1
One step down in lightness
Pressed#8892B3
Two steps down
Disabled#F3F4F7
Chroma pulled out
Focus ring#BBC3DC
Offset from the fill so it reads
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

In real components

The same eight roles, wired into the interface patterns you will actually build with them. Every state below is a computed value, not a mock-up.

Buttons and states
Save changesHoverPressedDisabled
OutlineSubtleLinkFocused
Form field
you@company.com

Focus ring uses the light variant so the field still reads as one shape.

Send me product updates
Notice
Your export is ready

The file stays available for seven days. Download it before it expires.

NewBetaDraft
Data
Storage used68%
Acme LtdActive
NorthwindTrial
GlobexActive

How to use #b4bacf

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
Minimum size as text on white
Not as text
Safe as a fill behind white type
No — use #32384E
Safe as a 1px border on white
No — use #8892B3

Meaning and mood

What a colour in this family tends to signal, and how this particular chroma and lightness change the reading.

trustedcalmcompetentcorporate

The default of institutions for a reason: blue is read as stable and safe across nearly every culture that has been surveyed.

The muted chroma softens the association — it reads considered rather than loud, which suits long-form and data-heavy screens. The lightness keeps it airy and approachable.

Worth knowing

It is also the most crowded hue on the web. Distinctiveness has to come from your other choices.

Reads as
  • FormalityMedium
  • EnergyMedium
  • Weight24/100
  • TemperatureCool
  • ApproachabilityReserved

Colour associations are cultural and vary by market. Treat these as a starting point for a conversation with your audience, not a finding about them.

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#CFC9B4
Analogous left#B4C8CF
Analogous right#BCB4CF
Split-complement 1#CFBCB4
Split-complement 2#C8CFB4
Triadic 1#CFB4BA
Triadic 2#BACFB4
Tetradic#CFB4C8
On the wheel
Base+30°−30°+120°+240°+180°227°

#b4bacf sits at 227°. Every dot is a harmony position and links to its own page in the table alongside.

RGB percentages

Red70.6%
Green72.9%
Blue81.2%
R · 0–255
180
0xb4
G · 0–255
186
0xba
B · 0–255
207
0xcf

CMYK percentages

Cyan13.0%
Magenta10.1%
Yellow0.0%
Key (black)18.8%

Total ink coverage is 42%. Most commercial presses cap around 300% — above that, sheets stop drying properly.

Color previews

#b4bacf text on a black background

contrast 10.87:1

Card sample

#b4bacf text on a white background

contrast 1.93:1

Card sample

#b4bacf on grey

1.76:1

#b4bacf on its own surface

1.79:1

#b4bacf on its dark surface

9.08:1

CSS3 live lab

Text font color

The quick brown fox

color: #b4bacf;
Background color
Panel with #b4bacf background
background-color: #b4bacf;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #b4bacf;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(180, 186, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(180, 186, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b4bacf;
background: linear-gradient(135deg, #b4bacf, #C0B4CF);
Gradient text

Gradient headline

background: linear-gradient(90deg, #b4bacf, #C7B4CF);
-webkit-background-clip: text;
color: transparent;
Focus ring
Focused control
outline: 2px solid #b4bacf;
outline-offset: 3px;
Underline & caret

Marked up text

text-decoration-color: #b4bacf;
caret-color: #b4bacf;
Left rule
Pull quote or callout
border-left: 4px solid #b4bacf;
Ring + tint
Selected chip
background: #EFF1F5;
box-shadow: inset 0 0 0 2px #b4bacf;
Conic badge
68%
background: conic-gradient(#b4bacf 68%, #e2e8f0 0);

Transparency

What each alpha value actually composites to. The top row is #b4bacf over white; the bottom row is the same alpha over a checkerboard, so you can see what survives on a photo or a video.

Bottom row of hexes is the flattened result over white — use those when a design tool refuses transparency, or when you need a solid fallback.

alpha in every syntaxclick to select
rgba(180, 186, 207, 0.5)
rgb(180 186 207 / 50%)
#b4bacf80
hsl(227 22% 76% / 50%)
color-mix(in srgb, #b4bacf 50%, transparent)
Alpha8-digit hexFlat on white
10%#b4bacf1a#F8F8FA
20%#b4bacf33#F0F1F5
40%#b4bacf66#E1E3EC
60%#b4bacf99#D2D6E2
80%#b4bacfcc#C3C8D9

Gradients from #b4bacf

Six recipes, each built from this hex and shown with the exact CSS that produced it.

Elevation
Same hue, three lightnesses — safe anywhere
background: linear-gradient(135deg, #D9DCE7, #b4bacf 45%, #32384E);
Duotone
A short hue run reads richer than a flat fill
background: linear-gradient(120deg, #b4bacf, #B3A1C3);
Complement sweep
Loud — keep it behind large type only
background: linear-gradient(90deg, #b4bacf, #CFC9B4);
Spotlight
Hero panels and app headers
background: radial-gradient(120% 120% at 20% 0%, #ECEEF3 0%, #b4bacf 45%, #32384E 100%);
Soft wash
Section backgrounds that stay readable
background: linear-gradient(180deg, #F6F6F9, #ffffff);
Mesh
Ambient background, no image weight
background: radial-gradient(60% 60% at 15% 20%, #D3E0E3 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #CEC7DB 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #32384E 0%, transparent 65%), #b4bacf;

Monochromatic scale

Palettes built from #b4bacf

Shades — darker

Tints — lighter

Tones — desaturated

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.

#b4bacf 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.

On screens

Holds up across typical panel gamma. Still worth checking on an uncalibrated laptop, where mid-tones shift most.

In dark mode

Usable as-is on a dark surface at 10.87:1.

Explore nearby colors

Small, deliberate steps away from this hex — useful when you are hunting for the version of a colour that finally feels right.

#b4bacf, answered

What color is #b4bacf?

#b4bacf is a light soft blue, closest to Light Steel Blue (ΔE2000 5.7). It sits at 227° on the hue wheel with 22% saturation and 76% lightness, which reads as cool.

What is the RGB value of #b4bacf?

rgb(180, 186, 207) — 180 red, 186 green and 207 blue out of 255, or 70.6% / 72.9% / 81.2% by channel.

What is #b4bacf in HSL and HSV?

hsl(227, 22%, 76%) and hsv(227, 13%, 81%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.

Is #b4bacf a light or a dark color?

It is a mid-tone. Relative luminance is 0.4933 and perceived brightness is 73%, so black text on it reaches 10.87:1.

Should I use black or white text on #b4bacf?

Black. It scores 10.87:1 against #b4bacf, versus 1.93:1 for white — AAA at any size.

Is #b4bacf accessible on a white background?

#b4bacf on white scores 1.93:1, which fails WCAG AA at every size. Darken it to #69759F to reach 4.5:1, or #4D5779 for 7:1.

What is the complementary color of #b4bacf?

#CFC9B4 sits directly opposite on the wheel. Softer options are the split-complements #CFBCB4 and #C8CFB4, which give the same contrast with far less vibration.

What colors go well with #b4bacf?

For interface work: #F6F6F9 as the surface, #CDD1DF for borders, #5A658C for secondary text, #81664B as an accent and #32384E for hover and pressed states. For a palette, the analogous pair #B4C8CF and #BCB4CF stays calm, while #CFC9B4 is the loudest partner.

What is #b4bacf in CMYK for printing?

cmyk(13%, 10%, 0%, 19%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #b4bacf warm or cool?

Cool — it scores 76 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #B8B4CF; nudged cooler, #B3C0D0.

Which Tailwind color is closest to #b4bacf?

The sky family — its 500 step is #0ea5e9, ΔE2000 23 away. That is a visible difference, so define #b4bacf as a custom token rather than reaching for the built-in.

How do I use #b4bacf in Tailwind CSS?

Inline it as an arbitrary value with bg-[#b4bacf] or text-[#b4bacf], or register the whole ramp under theme.extend.colors.brand so you get bg-brand-500 and friends. The generated 50–950 scale on this page is ready to paste into your config.

What is #b4bacf with 50% opacity?

rgba(180, 186, 207, 0.5), or #b4bacf80 in eight-digit hex. Over white that composites to #DADDE7; over black, #5A5D68.

Is #b4bacf a web-safe color?

No. The nearest web-safe colour is #CCCCCC, ΔE2000 10.3 away. The palette only matters for legacy displays and some email clients now.

What does the color #b4bacf mean?

As a blue, it reads trusted, calm, competent. The default of institutions for a reason: blue is read as stable and safe across nearly every culture that has been surveyed. At this moderate chroma the association is present but not shouted.

What gradient works with #b4bacf?

The safest is same-hue elevation: linear-gradient(135deg, #D9DCE7, #b4bacf 45%, #32384E). For more colour, a short hue run to #B3A1C3 keeps it rich without turning muddy.

Work with #b4bacf in the Color Lab

Every tool opens with this colour already loaded.

Every value on this page is computed from #b4bacf at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.