Recognised as Colour
#F8F8FB
- #F8F8FB
- Blue
- Light
- Nearest: White smoke
#F8F8FB is a blue with RGB values 248, 248, 251 and HSL 240°, 27%, 98%. It is a light colour, so black text on it reaches 19.8:1 contrast (AAA for normal text). The nearest named colour is White smoke.
Colour values
#F8F8FB#F8F8FB
HEX#F8F8FB
RGBrgb(248, 248, 251)
RGB (0–1)0.9725, 0.9725, 0.9843
RGB percentages97.3%, 97.3%, 98.4%
HSLhsl(240, 27.3%, 97.8%)
HSV / HSBhsv(240, 1.2%, 98.4%)
CMYK1.2%, 1.2%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,316,667
CSS custom property--colour: #F8F8FB;
Brightness & contrast
Relative luminance0.94056WCAG 2.x, 0 is black and 1 is white
Perceived brightness248.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.81:1
Contrast with white1.06:1WCAG normal text: Fail
Contrast with black19.81:1WCAG normal text: AAA
Greyscale equivalent#F8F8F8
Inverted#070704
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.06:1WCAG large text: Fail
Contrast with black, large text19.81:1WCAG large text: AAA
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FBFBF8
Analogous#F8FAFB, #FAF8FB
Triadic#FBF8F8, #F8FBF8
Split complementary#FBFAF8, #FAFBF8
Tetradic#FBF8FA, #FBFBF8, #F8FBFA
Tints, shades & saturation
Channel breakdown
R248
G248
B251
Red248 (97.3%)
Green248 (97.3%)
Blue251 (98.4%)
Hue240°
Saturation (HSL)27.27%
Lightness97.84%
Dominant channelBlue
Hex per channelR F8 · G F8 · B FB
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Harmonies
Similar named colours
Also reads as
F8F8FB (chemical formula)
- Formula
- 333.776 g/mol
- 18 atoms
F8F8FB has a molar mass of 333.776 g/mol, made up of 18 atoms across 2 elements: 17 × F, 1 × B.
Molar mass
Molar mass333.776 g/mol
Total atoms per molecule18
Distinct elements2
Mass of one molecule5.5424809 × 10^-22 g
Molecules per gram1.8042462 × 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
F96.8%
B3.2%
Fluorine (F × 17)322.966 g/mol, 96.761%
Boron (B)10.81 g/mol, 3.239%
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