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#b4b7df

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

RGB
180, 183, 223
HSL
236°, 40%, 79%
CMYK
19, 18, 0, 13
Luminance
0.4890

At a glance

Every number on this page in one read: what #b4b7df is made of, how bright it looks, and which way it leans.

Hex
#b4b7df
Hue
236°
blue
Saturation
40%
soft
Lightness
79%
light
Brightness
87%
HSV value
Perceived
73%
weighted brightness
Luminance
0.4890
WCAG relative
Temperature
Cool
86/100 cool
Color family
Blue
Tone
Soft
Best ink
Black
10.78:1
Closest name
Light Steel Blue
ΔE2000 8.9
Where it sits
Hue236° of 360°
Saturation40%
Lightness79%
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#b4b7df
RGBrgb(180, 183, 223)
HSLhsl(236, 40%, 79%)
CMYKcmyk(19%, 18%, 0%, 13%)
LABlab(75.4 7.2 -20.4)
LCHlch(75.4 21.6 289.5)
OKLCHoklch(0.790 0.057 281.6)
Decimal11843551
Display P3color(display-p3 0.706 0.718 0.875)

Copy-ready code

/* CSS */
color: #b4b7df;
background-color: #b4b7df;
/* Tailwind (arbitrary) */
class="text-[#b4b7df] bg-[#b4b7df]"
/* SCSS */
$brand: #b4b7df;
/* SwiftUI */
Color(red: 0.706, green: 0.718, blue: 0.875)
/* Android */
Color.parseColor("#b4b7df")
/* Flutter */
Color(0xFFB4B7DF)
/* Python / OpenCV (BGR) */
(223, 183, 180)

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 #b4b7df · 10.78:1
Use #000000AAA at every size.
Aa
White text · 1.95:1
AA fail · AA large fail · AAA fail
Aa
Black text · 10.78:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #b4b7df as text scores 1.95:1 on white and 10.78:1 on black.

Accessibility — WCAG contrast

Aa
#b4b7df on white: 1.95:1
AA ✗ fail · AA-large · AAA
Aa
#b4b7df on black: 10.78:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #ADBBE1
deuteranopia · #ABB8DE
tritanopia · #ABBEC4

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #b4b7df 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.

#F5F5FA
#EBECF4
#D2D4EA
#b4b7df
#898ECD
#6268BC
#4950AC
#3D438F
#313572
#272A54
#181A34
Base = 300Lightest = 50 · #F5F5FADarkest = 950 · #181A34
:root {
  --brand-50: #F5F5FA;
  --brand-100: #EBECF4;
  --brand-200: #D2D4EA;
  --brand-300: #b4b7df;
  --brand-400: #898ECD;
  --brand-500: #6268BC;
  --brand-600: #4950AC;
  --brand-700: #3D438F;
  --brand-800: #313572;
  --brand-900: #272A54;
  --brand-950: #181A34;
  --brand: #b4b7df;
  --brand-ink: #000000;
}

Colors that work with #b4b7df

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#F4F5FA
Tinted page background
Border#C6C8E7
Hairlines and dividers
Muted text#4B509B
Captions on the surface
Accent#937639
Second voice, not a rival
Dark variant#262A59
Hover, pressed, headers
Light variant#EDEEF7
Selected rows, tints
Dark surface#141524
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 #b4b7df

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#DFDCB4
Analogous left#B4CCDF
Analogous right#C6B4DF
Split-complement 1#DFC6B4
Split-complement 2#CCDFB4
Triadic 1#DFB4B7
Triadic 2#B7DFB4
Tetradic#DFB4CC

RGB percentages

Red70.6%
Green71.8%
Blue87.5%

CMYK percentages

Cyan19.3%
Magenta17.9%
Yellow0.0%
Key (black)12.5%

Color previews

#b4b7df text on a black background

contrast 10.78:1

Card sample

#b4b7df text on a white background

contrast 1.95:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #b4b7df;
Background color
Panel with #b4b7df background
background-color: #b4b7df;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #b4b7df;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(180, 183, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(180, 183, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b4b7df;
background: linear-gradient(135deg, #b4b7df, #CEB4DF);

Monochromatic scale

Palettes built from #b4b7df

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.

#b4b7df 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.

#b4b7df, answered

What color is #b4b7df?

#b4b7df is a light soft blue, closest to Light Steel Blue (ΔE2000 8.9). It sits at 236° on the hue wheel with 40% saturation and 79% lightness, which reads as cool.

What is the RGB value of #b4b7df?

rgb(180, 183, 223) — 180 red, 183 green and 223 blue out of 255, or 70.6% / 71.8% / 87.5% by channel.

Is #b4b7df a light or a dark color?

It is a mid-tone. Relative luminance is 0.4890 and perceived brightness is 73%, so black text on it reaches 10.78:1.

Should I use black or white text on #b4b7df?

Black. It scores 10.78:1 against #b4b7df, versus 1.95:1 for white — AAA at any size.

What is the complementary color of #b4b7df?

#DFDCB4 sits directly opposite on the wheel. Softer options are the split-complements #DFC6B4 and #CCDFB4, which give the same contrast with far less vibration.

What colors go well with #b4b7df?

For interface work: #F4F5FA as the surface, #C6C8E7 for borders, #4B509B for secondary text, #937639 as an accent and #262A59 for hover and pressed states. For a palette, the analogous pair #B4CCDF and #C6B4DF stays calm, while #DFDCB4 is the loudest partner.

What is #b4b7df in CMYK for printing?

cmyk(19%, 18%, 0%, 13%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #b4b7df 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 #C1B4DF; nudged cooler, #B3C5E0.

Work with #b4b7df in the Color Lab