Recognised as Colour

#F21BFB

#F21BFB
Magenta
Dark
Nearest: Fuchsia

#F21BFB is a magenta with RGB values 242, 27, 251 and HSL 298°, 97%, 55%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Fuchsia.

Colour values

#F21BFB#F21BFB

HEX#F21BFB

RGBrgb(242, 27, 251)

RGB (0–1)0.949, 0.1059, 0.9843

RGB percentages94.9%, 10.6%, 98.4%

HSLhsl(297.6, 96.6%, 54.5%)

HSV / HSBhsv(297.6, 89.2%, 98.4%)

CMYK3.6%, 89.2%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,866,875

CSS custom property--colour: #F21BFB;

Brightness & contrast

Relative luminance0.26626WCAG 2.x, 0 is black and 1 is white

Perceived brightness158.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.33:1

Contrast with white3.32:1WCAG normal text: Fail

Contrast with black6.33:1WCAG normal text: AA

Greyscale equivalent#595959

Inverted#0DE404

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#007DFFno red cones; affects about 1% of men; ΔE 73.8 from the original

Deuteranopia#5F95F6no green cones; the most common form, about 1% of men; ΔE 82.6 from the original

Tritanopia#F85196no blue cones; rare, and affects men and women equally; ΔE 64.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.32:1WCAG large text: AA

Contrast with black, large text6.33:1WCAG large text: AAA

Named colours

Fuchsia · ΔE 5.1 Magenta · ΔE 5.1 Dark violet · ΔE 27.2 Blue violet · ΔE 31.7 Dark orchid · ΔE 32.2 Medium orchid · ΔE 37.5

Nearest named CSS colourFuchsia (#FF00FF)ΔE 5.06, clearly different but related

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#24FB1B

Analogous#821BFB, #FB1B94

Triadic#FBF21B, #1BFBF2

Split complementary#94FB1B, #1BFB82

Tetradic#FB821B, #24FB1B, #1B94FB

Tints, shades & saturation

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

Lighter +40%#FDE3FF

Lighter +30%#FBB1FE

Lighter +20%#F87FFD

Lighter +10%#F54DFC

Darker −10%#D604DF

Darker −20%#A603AD

Darker −30%#76027B

Darker −40%#460149

More saturated +25%#F617FF

Less saturated −25%#D738DE

Channel breakdown

R242

G27

B251

Red242 (94.9%)

Green27 (10.6%)

Blue251 (98.4%)

Hue297.59°

Saturation (HSL)96.55%

Lightness54.51%

Dominant channelBlue

Hex per channelR F2 · G 1B · B FB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F21BFB (chemical formula)

Formula
439.576 g/mol
24 atoms

F21BFB has a molar mass of 439.576 g/mol, made up of 24 atoms across 2 elements: 22 × F, 2 × B.

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Molar mass

Molar mass439.576 g/mol

Total atoms per molecule24

Distinct elements2

Mass of one molecule7.2993312 × 10^-22 g

Molecules per gram1.3699885 × 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

F95.1%

B4.9%

Fluorine (F × 22)417.956 g/mol, 95.082%

Boron (B × 2)21.62 g/mol, 4.918%

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Elements in this formula

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