Recognised as Colour

#F12966

#F12966
Red
Dark
Nearest: Crimson

#F12966 is a red with RGB values 241, 41, 102 and HSL 342°, 88%, 55%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F12966#F12966

HEX#F12966

RGBrgb(241, 41, 102)

RGB (0–1)0.9451, 0.1608, 0.4

RGB percentages94.5%, 16.1%, 40%

HSLhsl(341.7, 87.7%, 55.3%)

HSV / HSBhsv(341.7, 83%, 94.5%)

CMYK0%, 83%, 57.7%, 5.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,804,774

CSS custom property--colour: #F12966;

Brightness & contrast

Relative luminance0.21246WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.25:1

Contrast with white4:1WCAG normal text: Fail

Contrast with black5.25:1WCAG normal text: AA

Greyscale equivalent#585858

Inverted#0ED699

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#656567no red cones; affects about 1% of men; ΔE 77.1 from the original

Deuteranopia#988D61no green cones; the most common form, about 1% of men; ΔE 78 from the original

Tritanopia#FF0045no blue cones; rare, and affects men and women equally; ΔE 21.9 from the original

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

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

Contrast with black, large text5.25:1WCAG large text: AAA

Named colours

Crimson · ΔE 18.1 Deep pink · ΔE 24.9 Indian red · ΔE 30.3 Firebrick · ΔE 31.2 Hot pink · ΔE 32 Brown · ΔE 32.4

Nearest named CSS colourCrimson (#DC143C)ΔE 18.1, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#29F1B4

Analogous#F129CA, #F15029

Triadic#66F129, #2966F1

Split complementary#29F150, #29CAF1

Tetradic#CAF129, #29F1B4, #5029F1

Tints, shades & saturation

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

Lighter +40%#FEE8EF

Lighter +30%#FAB9CD

Lighter +20%#F789AA

Lighter +10%#F45988

Darker −10%#D90E4C

Darker −20%#A90B3B

Darker −30%#79082A

Darker −40%#49051A

More saturated +25%#FF1B61

Less saturated −25%#D54671

Channel breakdown

R241

G41

B102

Red241 (94.5%)

Green41 (16.1%)

Blue102 (40%)

Hue341.7°

Saturation (HSL)87.72%

Lightness55.29%

Dominant channelRed

Hex per channelR F1 · G 29 · B 66

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F12966 (chemical formula)

Formula
246,328.068 g/mol
12966 atoms

F12966 has a molar mass of 246,328.068 g/mol, made up of 12966 atoms across 1 element: 12966 × F.

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Molar mass

Molar mass246,328.068 g/mol

Total atoms per molecule12966

Distinct elements1

Mass of one molecule4.0903738 × 10^-19 g

Molecules per gram2.4447643 × 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 × 12966)246,328.068 g/mol, 100%

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Elements in this formula

Fluorine

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