Recognised as Colour
#B3B4FB
- #B3B4FB
- Blue
- Dark
- Nearest: Cornflower blue
#B3B4FB is a blue with RGB values 179, 180, 251 and HSL 239°, 90%, 84%. It is a dark colour, so black text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.
Colour values
#B3B4FB#B3B4FB
HEX#B3B4FB
RGBrgb(179, 180, 251)
RGB (0–1)0.702, 0.7059, 0.9843
RGB percentages70.2%, 70.6%, 98.4%
HSLhsl(239.2, 90%, 84.3%)
HSV / HSBhsv(239.2, 28.7%, 98.4%)
CMYK28.7%, 28.3%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,777,275
CSS custom property--colour: #B3B4FB;
Brightness & contrast
Relative luminance0.49191WCAG 2.x, 0 is black and 1 is white
Perceived brightness189.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.84:1
Contrast with white1.94:1WCAG normal text: Fail
Contrast with black10.84:1WCAG normal text: AAA
Greyscale equivalent#B9B9B9
Inverted#4C4B04
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.94:1WCAG large text: Fail
Contrast with black, large text10.84:1WCAG large text: AAA
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FBFAB3
Analogous#B3D8FB, #D6B3FB
Triadic#FBB3B4, #B4FBB3
Split complementary#FBD6B3, #D8FBB3
Tetradic#FBB3D8, #FBFAB3, #B3FBD6
Tints, shades & saturation
Channel breakdown
R179
G180
B251
Red179 (70.2%)
Green180 (70.6%)
Blue251 (98.4%)
Hue239.17°
Saturation (HSL)90%
Lightness84.31%
Dominant channelBlue
Hex per channelR B3 · G B4 · B FB
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Harmonies
Similar named colours
Also reads as
B3B4FB (chemical formula)
- Formula
- 105.478 g/mol
- 9 atoms
B3B4FB has a molar mass of 105.478 g/mol, made up of 9 atoms across 2 elements: 8 × B, 1 × F.
Molar mass
Molar mass105.478 g/mol
Total atoms per molecule9
Distinct elements2
Mass of one molecule1.7515034 × 10^-22 g
Molecules per gram5.7093809 × 10^21
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
B82%
F18%
Boron (B × 8)86.48 g/mol, 81.989%
Fluorine (F)18.998 g/mol, 18.011%
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