Recognised as Colour
#B4B1F4
- #B4B1F4
- Blue
- Dark
- Nearest: Plum
#B4B1F4 is a blue with RGB values 180, 177, 244 and HSL 243°, 75%, 83%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Plum.
Colour values
#B4B1F4#B4B1F4
HEX#B4B1F4
RGBrgb(180, 177, 244)
RGB (0–1)0.7059, 0.6941, 0.9569
RGB percentages70.6%, 69.4%, 95.7%
HSLhsl(242.7, 75.3%, 82.5%)
HSV / HSBhsv(242.7, 27.5%, 95.7%)
CMYK26.2%, 27.5%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,842,036
CSS custom property--colour: #B4B1F4;
Brightness & contrast
Relative luminance0.47679WCAG 2.x, 0 is black and 1 is white
Perceived brightness186.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.54:1
Contrast with white1.99:1WCAG normal text: Fail
Contrast with black10.54:1WCAG normal text: AAA
Greyscale equivalent#B6B6B6
Inverted#4B4E0B
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.99:1WCAG large text: Fail
Contrast with black, large text10.54:1WCAG large text: AAA
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#F1F4B1
Analogous#B1D0F4, #D6B1F4
Triadic#F4B4B1, #B1F4B4
Split complementary#F4D6B1, #D0F4B1
Tetradic#F4B1D0, #F1F4B1, #B1F4D6
Tints, shades & saturation
Channel breakdown
R180
G177
B244
Red180 (70.6%)
Green177 (69.4%)
Blue244 (95.7%)
Hue242.69°
Saturation (HSL)75.28%
Lightness82.55%
Dominant channelBlue
Hex per channelR B4 · G B1 · B F4
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Harmonies
Similar named colours
Also reads as
B4B1F4 (chemical formula)
- Formula
- 130.042 g/mol
- 9 atoms
B4B1F4 has a molar mass of 130.042 g/mol, made up of 9 atoms across 2 elements: 5 × B, 4 × F.
Molar mass
Molar mass130.042 g/mol
Total atoms per molecule9
Distinct elements2
Mass of one molecule2.1593982 × 10^-22 g
Molecules per gram4.6309198 × 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
B41.6%
F58.4%
Boron (B × 5)54.05 g/mol, 41.563%
Fluorine (F × 4)75.992 g/mol, 58.437%
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