#b3dfdb
a light, soft cyan · cool · closest name: Powder Blue
At a glance
Every number on this page in one read: what #b3dfdb is made of, how bright it looks, and which way it leans.
Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.
Every format
| HEX | #b3dfdb |
| RGB | rgb(179, 223, 219) |
| HSL | hsl(175, 41%, 79%) |
| CMYK | cmyk(20%, 0%, 2%, 13%) |
| LAB | lab(85.7 -15.0 -2.8) |
| LCH | lch(85.7 15.3 190.4) |
| OKLCH | oklch(0.871 0.046 189.5) |
| Decimal | 11788251 |
| Display P3 | color(display-p3 0.702 0.875 0.859) |
Copy-ready code
/* CSS */
color: #b3dfdb;
background-color: #b3dfdb;
/* Tailwind (arbitrary) */
class="text-[#b3dfdb] bg-[#b3dfdb]"
/* SCSS */
$brand: #b3dfdb;
/* SwiftUI */
Color(red: 0.702, green: 0.875, blue: 0.859)
/* Android */
Color.parseColor("#b3dfdb")
/* Flutter */
Color(0xFFB3DFDB)
/* Python / OpenCV (BGR) */
(219, 223, 179)Best text color
Only one of black and white can be right. This is the one, with the number that proves it.
Accessibility — WCAG contrast
Color scale — 50 to 950
A Tailwind-shaped ramp built around this exact hex. #b3dfdb 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.
:root {
--brand-50: #F5FAF9;
--brand-100: #EBF5F4;
--brand-200: #D2EAE8;
--brand-300: #b3dfdb;
--brand-400: #89CDC7;
--brand-500: #61BCB4;
--brand-600: #49ACA3;
--brand-700: #3C9088;
--brand-800: #30736D;
--brand-900: #265450;
--brand-950: #183532;
--brand: #b3dfdb;
--brand-ink: #000000;
}Colors that work with #b3dfdb
Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.
Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.
Lightness flips, hue holds. The accent stays the anchor in both themes.
How to use #b3dfdb
Derived from its contrast, chroma and lightness — not from taste.
- ✓Text and icons on dark surfaces
- ✓Charts, tags and secondary surfaces
- ✓Card and section backgrounds
- ✓Brand accents, badges and data highlights
- ⚠Text of any size on white — fails WCAG AA
- ⚠White text placed on it
- ⚠Thin strokes and 1px borders — they disappear on light UI
- ⚠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 | #DFB3B7 | Directly opposite — maximum tension | |
| Analogous left | #B3DFC5 | Neighbour, quieter | |
| Analogous right | #B3CDDF | Neighbour, quieter | |
| Split-complement 1 | #DFB3CD | Contrast without the clash | |
| Split-complement 2 | #DFC5B3 | Contrast without the clash | |
| Triadic 1 | #DBB3DF | Even thirds — balanced and loud | |
| Triadic 2 | #DFDBB3 | Even thirds — balanced and loud | |
| Tetradic | #C5B3DF | Fourth corner of the square scheme |
RGB percentages
CMYK percentages
Color previews
#b3dfdb text on a black background
contrast 14.49:1
#b3dfdb text on a white background
contrast 1.45:1
CSS3 live lab
The quick brown fox
color: #b3dfdb;
background-color: #b3dfdb;
Glowing headline
text-shadow: 2px 2px 8px #b3dfdb;
Soft neon halo
text-shadow: 0 0 14px rgba(179, 223, 219, 0.45);
box-shadow: 0 12px 32px -8px rgba(179, 223, 219, 0.45);
border: 3px solid #b3dfdb; background: linear-gradient(135deg, #b3dfdb, #B3C6DF);
Monochromatic scale
Palettes built from #b3dfdb
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.
Closest color with a full write-up: Powder Blue (#b0e0e6) — ΔE2000 4.1 away, with its history, psychology and brand usage.
#b3dfdb in the real world
Where a color in this family tends to land, and the interface roles it is usually asked to play.
Converts to four-color process without much drama. Proof it anyway.
#b3dfdb, answered
What color is #b3dfdb?
#b3dfdb is a light soft cyan, closest to Powder Blue (ΔE2000 4.1). It sits at 175° on the hue wheel with 41% saturation and 79% lightness, which reads as cool.
What is the RGB value of #b3dfdb?
rgb(179, 223, 219) — 179 red, 223 green and 219 blue out of 255, or 70.2% / 87.5% / 85.9% by channel.
Is #b3dfdb a light or a dark color?
It is a light color. Relative luminance is 0.6747 and perceived brightness is 82%, so black text on it reaches 14.49:1.
Should I use black or white text on #b3dfdb?
Black. It scores 14.49:1 against #b3dfdb, versus 1.45:1 for white — AAA at any size.
What is the complementary color of #b3dfdb?
#DFB3B7 sits directly opposite on the wheel. Softer options are the split-complements #DFB3CD and #DFC5B3, which give the same contrast with far less vibration.
What colors go well with #b3dfdb?
For interface work: #F4FAFA as the surface, #C6E7E4 for borders, #4B9B94 for secondary text, #933957 as an accent and #265A55 for hover and pressed states. For a palette, the analogous pair #B3DFC5 and #B3CDDF stays calm, while #DFB3B7 is the loudest partner.
What is #b3dfdb in CMYK for printing?
cmyk(20%, 0%, 2%, 13%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.
Is #b3dfdb warm or cool?
Cool — it scores 85 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #B3DFCB; nudged cooler, #B2D3E0.