Recognised as Colour

#B2B1FE

#B2B1FE
Blue
Dark
Nearest: Cornflower blue

#B2B1FE is a blue with RGB values 178, 177, 254 and HSL 241°, 97%, 85%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#B2B1FE#B2B1FE

HEX#B2B1FE

RGBrgb(178, 177, 254)

RGB (0–1)0.698, 0.6941, 0.9961

RGB percentages69.8%, 69.4%, 99.6%

HSLhsl(240.8, 97.5%, 84.5%)

HSV / HSBhsv(240.8, 30.3%, 99.6%)

CMYK29.9%, 30.3%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,710,974

CSS custom property--colour: #B2B1FE;

Brightness & contrast

Relative luminance0.48065WCAG 2.x, 0 is black and 1 is white

Perceived brightness187.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.61:1

Contrast with white1.98:1WCAG normal text: Fail

Contrast with black10.61:1WCAG normal text: AAA

Greyscale equivalent#B7B7B7

Inverted#4D4E01

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9BBBFFno red cones; affects about 1% of men; ΔE 11.6 from the original

Deuteranopia#98B6FCno green cones; the most common form, about 1% of men; ΔE 10.3 from the original

Tritanopia#9FBFCDno blue cones; rare, and affects men and women equally; ΔE 36.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.98:1WCAG large text: Fail

Contrast with black, large text10.61:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 18.9 Plum · ΔE 22.2 Thistle · ΔE 29.4 Light steelblue · ΔE 29.5 Light skyblue · ΔE 30 Medium purple · ΔE 30.5

Nearest named CSS colourCornflower blue (#6495ED)ΔE 18.93, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FDFEB1

Analogous#B1D6FE, #D9B1FE

Triadic#FEB2B1, #B1FEB2

Split complementary#FED9B1, #D7FEB1

Tetradic#FEB1D6, #FDFEB1, #B1FED9

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFFFF

Lighter +10%#E4E3FF

Darker −10%#807FFD

Darker −20%#4F4CFD

Darker −30%#1D1AFC

Darker −40%#0603E0

More saturated +25%#B1B0FF

Less saturated −25%#BCBBF4

Channel breakdown

R178

G177

B254

Red178 (69.8%)

Green177 (69.4%)

Blue254 (99.6%)

Hue240.78°

Saturation (HSL)97.47%

Lightness84.51%

Dominant channelBlue

Hex per channelR B2 · G B1 · B FE

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B2B1Fe (chemical formula)

Formula
88.275 g/mol
4 atoms

B2B1Fe has a molar mass of 88.275 g/mol, made up of 4 atoms across 2 elements: 3 × B, 1 × Fe.

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Molar mass

Molar mass88.275 g/mol

Total atoms per molecule4

Distinct elements2

Mass of one molecule1.4658409 × 10^-22 g

Molecules per gram6.822023 × 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

B36.7%

Fe63.3%

Boron (B × 3)32.43 g/mol, 36.737%

Iron (Fe)55.845 g/mol, 63.263%

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Elements in this formula

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