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#b6c9da

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

RGB
182, 201, 218
HSL
208°, 33%, 78%
CMYK
17, 8, 0, 15
Luminance
0.5678

At a glance

Every number on this page in one read: what #b6c9da is made of, how bright it looks, and which way it leans.

Hex
#b6c9da
Hue
208°
blue
Saturation
33%
soft
Lightness
78%
light
Brightness
85%
HSV value
Perceived
77%
weighted brightness
Luminance
0.5678
WCAG relative
Temperature
Cool
96/100 cool
Color family
Blue
Tone
Soft
Best ink
Black
12.36:1
Closest name
Light Steel Blue
ΔE2000 3.7
Where it sits
Hue208° of 360°
Saturation33%
Lightness78%
Temperature
Warm ← → Cool96% 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#b6c9da
RGBrgb(182, 201, 218)
HSLhsl(208, 33%, 78%)
CMYKcmyk(17%, 8%, 0%, 15%)
LABlab(80.1 -2.9 -10.6)
LCHlch(80.1 11.0 254.6)
OKLCHoklch(0.827 0.032 245.2)
Decimal11979226
Display P3color(display-p3 0.714 0.788 0.855)

Copy-ready code

/* CSS */
color: #b6c9da;
background-color: #b6c9da;
/* Tailwind (arbitrary) */
class="text-[#b6c9da] bg-[#b6c9da]"
/* SCSS */
$brand: #b6c9da;
/* SwiftUI */
Color(red: 0.714, green: 0.788, blue: 0.855)
/* Android */
Color.parseColor("#b6c9da")
/* Flutter */
Color(0xFFB6C9DA)
/* Python / OpenCV (BGR) */
(218, 201, 182)

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 #b6c9da · 12.36:1
Use #000000AAA at every size.
Aa
White text · 1.70:1
AA fail · AA large fail · AAA fail
Aa
Black text · 12.36:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #b6c9da as text scores 1.70:1 on white and 12.36:1 on black.

Accessibility — WCAG contrast

Aa
#b6c9da on white: 1.70:1
AA ✗ fail · AA-large · AAA
Aa
#b6c9da on black: 12.36:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #C2C9DB
deuteranopia · #BEC5DA
tritanopia · #ADCDCE

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #b6c9da 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.

#F5F7F9
#ECF0F4
#D4DEE7
#b6c9da
#8FACC6
#6A91B3
#527DA2
#456887
#37536C
#2B3E50
#1B2732
Base = 300Lightest = 50 · #F5F7F9Darkest = 950 · #1B2732
:root {
  --brand-50: #F5F7F9;
  --brand-100: #ECF0F4;
  --brand-200: #D4DEE7;
  --brand-300: #b6c9da;
  --brand-400: #8FACC6;
  --brand-500: #6A91B3;
  --brand-600: #527DA2;
  --brand-700: #456887;
  --brand-800: #37536C;
  --brand-900: #2B3E50;
  --brand-950: #1B2732;
  --brand: #b6c9da;
  --brand-ink: #000000;
}

Colors that work with #b6c9da

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#F5F7FA
Tinted page background
Border#C9D7E4
Hairlines and dividers
Muted text#4D7598
Captions on the surface
Accent#8B5241
Second voice, not a rival
Dark variant#2B4155
Hover, pressed, headers
Light variant#EEF2F6
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 #b6c9da

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#DAC7B6
Analogous left#B6DAD9
Analogous right#B6B7DA
Split-complement 1#DAB6B7
Split-complement 2#DAD9B6
Triadic 1#DAB6C9
Triadic 2#C9DAB6
Tetradic#D9B6DA

RGB percentages

Red71.4%
Green78.8%
Blue85.5%

CMYK percentages

Cyan16.5%
Magenta7.8%
Yellow0.0%
Key (black)14.5%

Color previews

#b6c9da text on a black background

contrast 12.36:1

Card sample

#b6c9da text on a white background

contrast 1.70:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #b6c9da;
Background color
Panel with #b6c9da background
background-color: #b6c9da;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #b6c9da;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(182, 201, 218, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(182, 201, 218, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b6c9da;
background: linear-gradient(135deg, #b6c9da, #BBB6DA);

Monochromatic scale

Palettes built from #b6c9da

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.

#b6c9da 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.

#b6c9da, answered

What color is #b6c9da?

#b6c9da is a light soft blue, closest to Light Steel Blue (ΔE2000 3.7). It sits at 208° on the hue wheel with 33% saturation and 78% lightness, which reads as cool.

What is the RGB value of #b6c9da?

rgb(182, 201, 218) — 182 red, 201 green and 218 blue out of 255, or 71.4% / 78.8% / 85.5% by channel.

Is #b6c9da a light or a dark color?

It is a light color. Relative luminance is 0.5678 and perceived brightness is 77%, so black text on it reaches 12.36:1.

Should I use black or white text on #b6c9da?

Black. It scores 12.36:1 against #b6c9da, versus 1.70:1 for white — AAA at any size.

What is the complementary color of #b6c9da?

#DAC7B6 sits directly opposite on the wheel. Softer options are the split-complements #DAB6B7 and #DAD9B6, which give the same contrast with far less vibration.

What colors go well with #b6c9da?

For interface work: #F5F7FA as the surface, #C9D7E4 for borders, #4D7598 for secondary text, #8B5241 as an accent and #2B4155 for hover and pressed states. For a palette, the analogous pair #B6DAD9 and #B6B7DA stays calm, while #DAC7B6 is the loudest partner.

What is #b6c9da in CMYK for printing?

cmyk(17%, 8%, 0%, 15%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #b6c9da warm or cool?

Cool — it scores 96 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #B6BCDA; nudged cooler, #A4BAD3.

Work with #b6c9da in the Color Lab