Recognised as Colour

#F91667

#F91667
Red
Dark
Nearest: Crimson

#F91667 is a red with RGB values 249, 22, 103 and HSL 339°, 95%, 53%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F91667#F91667

HEX#F91667

RGBrgb(249, 22, 103)

RGB (0–1)0.9765, 0.0863, 0.4039

RGB percentages97.6%, 8.6%, 40.4%

HSLhsl(338.6, 95%, 53.1%)

HSV / HSBhsv(338.6, 91.2%, 97.6%)

CMYK0%, 91.2%, 58.6%, 2.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,324,199

CSS custom property--colour: #F91667;

Brightness & contrast

Relative luminance0.21693WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.34:1

Contrast with white3.93:1WCAG normal text: Fail

Contrast with black5.34:1WCAG normal text: AA

Greyscale equivalent#4C4C4C

Inverted#06E998

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#636468no red cones; affects about 1% of men; ΔE 82.5 from the original

Deuteranopia#9A9061no green cones; the most common form, about 1% of men; ΔE 84 from the original

Tritanopia#FF0040no blue cones; rare, and affects men and women equally; ΔE 23.4 from the original

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

Contrast with white, large text3.93:1WCAG large text: AA

Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Crimson · ΔE 19.7 Deep pink · ΔE 23.6 Hot pink · ΔE 34.1 Firebrick · ΔE 34.6 Medium violet red · ΔE 34.8 Indian red · ΔE 35.3

Nearest named CSS colourCrimson (#DC143C)ΔE 19.71, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#16F9A8

Analogous#F916D8, #F93716

Triadic#67F916, #1667F9

Split complementary#16F937, #16D8F9

Tetradic#D8F916, #16F9A8, #3716F9

Tints, shades & saturation

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

Lighter +40%#FEDDE9

Lighter +30%#FDABC8

Lighter +20%#FC79A8

Lighter +10%#FA4887

Darker −10%#D60650

Darker −20%#A5043E

Darker −30%#73032B

Darker −40%#410218

More saturated +25%#FF1065

Less saturated −25%#DB3470

Channel breakdown

R249

G22

B103

Red249 (97.6%)

Green22 (8.6%)

Blue103 (40.4%)

Hue338.59°

Saturation (HSL)94.98%

Lightness53.14%

Dominant channelRed

Hex per channelR F9 · G 16 · B 67

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F91667 (chemical formula)

Formula
1,741,489.666 g/mol
91667 atoms

F91667 has a molar mass of 1,741,489.666 g/mol, made up of 91667 atoms across 1 element: 91667 × F.

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Molar mass

Molar mass1,741,489.666 g/mol

Total atoms per molecule91667

Distinct elements1

Mass of one molecule2.8918116 × 10^-18 g

Molecules per gram3.4580399 × 10^17

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 × 91667)1,741,489.666 g/mol, 100%

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Elements in this formula

Fluorine

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