Recognised as Colour

#F92933

#F92933
Red
Dark
Nearest: Crimson

#F92933 is a red with RGB values 249, 41, 51 and HSL 357°, 95%, 57%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F92933#F92933

HEX#F92933

RGBrgb(249, 41, 51)

RGB (0–1)0.9765, 0.1608, 0.2

RGB percentages97.6%, 16.1%, 20%

HSLhsl(357.1, 94.5%, 56.9%)

HSV / HSBhsv(357.1, 83.5%, 97.6%)

CMYK0%, 83.5%, 79.5%, 2.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,329,011

CSS custom property--colour: #F92933;

Brightness & contrast

Relative luminance0.21965WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.39:1

Contrast with white3.89:1WCAG normal text: Fail

Contrast with black5.39:1WCAG normal text: AA

Greyscale equivalent#565656

Inverted#06D6CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#706530no red cones; affects about 1% of men; ΔE 80.2 from the original

Deuteranopia#A29129no green cones; the most common form, about 1% of men; ΔE 80.2 from the original

Tritanopia#FF0030no blue cones; rare, and affects men and women equally; ΔE 6.5 from the original

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

Contrast with white, large text3.89:1WCAG large text: AA

Contrast with black, large text5.39:1WCAG large text: AAA

Named colours

Crimson · ΔE 16.3 Tomato · ΔE 18.6 Red · ΔE 20.1 Orange red · ΔE 22.3 Firebrick · ΔE 25.9 Coral · ΔE 32

Nearest named CSS colourCrimson (#DC143C)ΔE 16.31, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#29F9EF

Analogous#F9299B, #F98729

Triadic#33F929, #2933F9

Split complementary#29F987, #299BF9

Tetradic#9BF929, #29F9EF, #8729F9

Tints, shades & saturation

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

Lighter +40%#FFEFF0

Lighter +30%#FDBEC1

Lighter +20%#FC8C92

Lighter +10%#FA5B62

Darker −10%#E80711

Darker −20%#B7050E

Darker −30%#85040A

Darker −40%#540206

More saturated +25%#FF232E

Less saturated −25%#DE454C

Channel breakdown

R249

G41

B51

Red249 (97.6%)

Green41 (16.1%)

Blue51 (20%)

Hue357.12°

Saturation (HSL)94.55%

Lightness56.86%

Dominant channelRed

Hex per channelR F9 · G 29 · B 33

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F92933 (chemical formula)

Formula
1,765,541.134 g/mol
92933 atoms

F92933 has a molar mass of 1,765,541.134 g/mol, made up of 92933 atoms across 1 element: 92933 × F.

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Molar mass

Molar mass1,765,541.134 g/mol

Total atoms per molecule92933

Distinct elements1

Mass of one molecule2.93175 × 10^-18 g

Molecules per gram3.410932 × 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 × 92933)1,765,541.134 g/mol, 100%

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Elements in this formula

Fluorine

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