Recognised as Colour

#F5F7FB

#F5F7FB
Blue
Light
Nearest: Ghost white

#F5F7FB is a blue with RGB values 245, 247, 251 and HSL 220°, 43%, 97%. It is a light colour, so black text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Ghost white.

Colour values

#F5F7FB#F5F7FB

HEX#F5F7FB

RGBrgb(245, 247, 251)

RGB (0–1)0.9608, 0.9686, 0.9843

RGB percentages96.1%, 96.9%, 98.4%

HSLhsl(220, 42.9%, 97.3%)

HSV / HSBhsv(220, 2.4%, 98.4%)

CMYK2.4%, 1.6%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,119,803

CSS custom property--colour: #F5F7FB;

Brightness & contrast

Relative luminance0.92899WCAG 2.x, 0 is black and 1 is white

Perceived brightness246.9 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 19.58:1

Contrast with white1.07:1WCAG normal text: Fail

Contrast with black19.58:1WCAG normal text: AAA

Greyscale equivalent#F7F7F7

Inverted#0A0804

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F6F7FBno red cones; affects about 1% of men; ΔE 0.4 from the original

Deuteranopia#F5F7FBno green cones; the most common form, about 1% of men; ΔE 0 from the original

Tritanopia#F4F8F8no blue cones; rare, and affects men and women equally; ΔE 2.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.07:1WCAG large text: Fail

Contrast with black, large text19.58:1WCAG large text: AAA

Named colours

Ghost white · ΔE 1.8 White smoke · ΔE 2.2 Alice blue · ΔE 2.5 Snow · ΔE 3.5 White · ΔE 3.5 Azure · ΔE 5.3

Nearest named CSS colourGhost white (#F8F8FF)ΔE 1.79, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#FBF9F5

Analogous#F5FAFB, #F6F5FB

Triadic#FBF5F7, #F7FBF5

Split complementary#FBF6F5, #FAFBF5

Tetradic#FBF5FA, #FBF9F5, #F5FBF6

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFFFF

Lighter +10%#FFFFFF

Darker −10%#D1DAEC

Darker −20%#ACBDDE

Darker −30%#88A0CF

Darker −40%#6382C1

More saturated +25%#F3F6FD

Less saturated −25%#F7F8F9

Channel breakdown

R245

G247

B251

Red245 (96.1%)

Green247 (96.9%)

Blue251 (98.4%)

Hue220°

Saturation (HSL)42.86%

Lightness97.25%

Dominant channelBlue

Hex per channelR F5 · G F7 · B FB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F5F7FB (chemical formula)

Formula
257.784 g/mol
14 atoms

F5F7FB has a molar mass of 257.784 g/mol, made up of 14 atoms across 2 elements: 13 × F, 1 × B.

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Molar mass

Molar mass257.784 g/mol

Total atoms per molecule14

Distinct elements2

Mass of one molecule4.280604 × 10^-22 g

Molecules per gram2.3361189 × 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

F95.8%

B4.2%

Fluorine (F × 13)246.974 g/mol, 95.807%

Boron (B)10.81 g/mol, 4.193%

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Elements in this formula

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