Colour
#B1B1F5
- #B1B1F5
- Blue
- Dark
- Nearest: Cornflower blue
#B1B1F5 is a blue with RGB values 177, 177, 245 and HSL 240°, 77%, 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 Cornflower blue.
Colour values
#B1B1F5#B1B1F5
HEX#B1B1F5
RGBrgb(177, 177, 245)
RGB (0–1)0.6941, 0.6941, 0.9608
RGB percentages69.4%, 69.4%, 96.1%
HSLhsl(240, 77.3%, 82.7%)
HSV / HSBhsv(240, 27.8%, 96.1%)
CMYK27.8%, 27.8%, 0%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,645,429
CSS custom property--colour: #B1B1F5;
Brightness & contrast
Relative luminance0.47384WCAG 2.x, 0 is black and 1 is white
Perceived brightness186 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.48:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.48:1WCAG normal text: AAA
Greyscale equivalent#B6B6B6
Inverted#4E4E0A
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.48:1WCAG large text: AAA
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#F5F5B1
Analogous#B1D3F5, #D3B1F5
Triadic#F5B1B1, #B1F5B1
Split complementary#F5D3B1, #D3F5B1
Tetradic#F5B1D3, #F5F5B1, #B1F5D3
Tints, shades & saturation
Channel breakdown
R177
G177
B245
Red177 (69.4%)
Green177 (69.4%)
Blue245 (96.1%)
Hue240°
Saturation (HSL)77.27%
Lightness82.75%
Dominant channelBlue
Hex per channelR B1 · G B1 · B F5
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Harmonies
Similar named colours
Also reads as
B1B1F5 (chemical formula)
- Formula
- 116.61 g/mol
- 7 atoms
B1B1F5 has a molar mass of 116.61 g/mol, made up of 7 atoms across 2 elements: 2 × B, 5 × F.
Molar mass
Molar mass116.61 g/mol
Total atoms per molecule7
Distinct elements2
Mass of one molecule1.9363546 × 10^-22 g
Molecules per gram5.1643433 × 10^21
Composition by mass
B18.5%
F81.5%
Boron (B × 2)21.62 g/mol, 18.54%
Fluorine (F × 5)94.99 g/mol, 81.46%
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