Recognised as Colour
#B1BBF3
- #B1BBF3
- Blue
- Light
- Nearest: Light steelblue
#B1BBF3 is a blue with RGB values 177, 187, 243 and HSL 231°, 73%, 82%. It is a light colour, so black text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.
Colour values
#B1BBF3#B1BBF3
HEX#B1BBF3
RGBrgb(177, 187, 243)
RGB (0–1)0.6941, 0.7333, 0.9529
RGB percentages69.4%, 73.3%, 95.3%
HSLhsl(230.9, 73.3%, 82.4%)
HSV / HSBhsv(230.9, 27.2%, 95.3%)
CMYK27.2%, 23%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,647,987
CSS custom property--colour: #B1BBF3;
Brightness & contrast
Relative luminance0.51359WCAG 2.x, 0 is black and 1 is white
Perceived brightness191.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.27:1
Contrast with white1.86:1WCAG normal text: Fail
Contrast with black11.27:1WCAG normal text: AAA
Greyscale equivalent#BDBDBD
Inverted#4E440C
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.86:1WCAG large text: Fail
Contrast with black, large text11.27:1WCAG large text: AAA
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#F3E9B1
Analogous#B1DCF3, #C8B1F3
Triadic#F3B1BB, #BBF3B1
Split complementary#F3C8B1, #DCF3B1
Tetradic#F3B1DC, #F3E9B1, #B1F3C8
Tints, shades & saturation
Channel breakdown
R177
G187
B243
Red177 (69.4%)
Green187 (73.3%)
Blue243 (95.3%)
Hue230.91°
Saturation (HSL)73.33%
Lightness82.35%
Dominant channelBlue
Hex per channelR B1 · G BB · B F3
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Harmonies
Similar named colours
Also reads as
B1BBF3 (chemical formula)
- Formula
- 89.424 g/mol
- 6 atoms
B1BBF3 has a molar mass of 89.424 g/mol, made up of 6 atoms across 2 elements: 3 × B, 3 × F.
Molar mass
Molar mass89.424 g/mol
Total atoms per molecule6
Distinct elements2
Mass of one molecule1.4849205 × 10^-22 g
Molecules per gram6.7343675 × 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
B36.3%
F63.7%
Boron (B × 3)32.43 g/mol, 36.265%
Fluorine (F × 3)56.994 g/mol, 63.735%
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