Recognised as Colour

#F10056

#F10056
Red
Dark
Nearest: Crimson

#F10056 is a red with RGB values 241, 0, 86 and HSL 339°, 100%, 47%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F10056#F10056

HEX#F10056

RGBrgb(241, 0, 86)

RGB (0–1)0.9451, 0, 0.3373

RGB percentages94.5%, 0%, 33.7%

HSLhsl(338.6, 100%, 47.3%)

HSV / HSBhsv(338.6, 100%, 94.5%)

CMYK0%, 100%, 64.3%, 5.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,794,262

CSS custom property--colour: #F10056;

Brightness & contrast

Relative luminance0.19373WCAG 2.x, 0 is black and 1 is white

Perceived brightness134.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.87:1

Contrast with white4.31:1WCAG normal text: Fail

Contrast with black4.87:1WCAG normal text: AA

Greyscale equivalent#393939

Inverted#0EFFA9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5D57no red cones; affects about 1% of men; ΔE 82.6 from the original

Deuteranopia#958950no green cones; the most common form, about 1% of men; ΔE 83.3 from the original

Tritanopia#FF0032no blue cones; rare, and affects men and women equally; ΔE 24.7 from the original

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

Contrast with white, large text4.31:1WCAG large text: AA

Contrast with black, large text4.87:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.2 Firebrick · ΔE 29.3 Deep pink · ΔE 30.5 Tomato · ΔE 32.7 Brown · ΔE 32.9 Indian red · ΔE 34.2

Nearest named CSS colourCrimson (#DC143C)ΔE 13.2, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00F19B

Analogous#F100CF, #F12200

Triadic#56F100, #0056F1

Split complementary#00F122, #00CFF1

Tetradic#CEF100, #00F19B, #2200F1

Tints, shades & saturation

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

Lighter +40%#FFBED5

Lighter +30%#FF8BB4

Lighter +20%#FF5894

Lighter +10%#FF2573

Darker −10%#BE0044

Darker −20%#8B0032

Darker −30%#58001F

Darker −40%#25000D

More saturated +25%#F10056

Less saturated −25%#D31E5F

Channel breakdown

R241

B86

Red241 (94.5%)

Green0 (0%)

Blue86 (33.7%)

Hue338.59°

Saturation (HSL)100%

Lightness47.25%

Dominant channelRed

Hex per channelR F1 · G 00 · B 56

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F10056 (chemical formula)

Formula
191,043.888 g/mol
10056 atoms

F10056 has a molar mass of 191,043.888 g/mol, made up of 10056 atoms across 1 element: 10056 × F.

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Molar mass

Molar mass191,043.888 g/mol

Total atoms per molecule10056

Distinct elements1

Mass of one molecule3.1723584 × 10^-19 g

Molecules per gram3.152229 × 10^18

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

F100%

Fluorine (F × 10056)191,043.888 g/mol, 100%

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Elements in this formula

Fluorine

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