Recognised as Colour

#F5005F

#F5005F
Red
Dark
Nearest: Crimson

#F5005F is a red with RGB values 245, 0, 95 and HSL 337°, 100%, 48%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F5005F#F5005F

HEX#F5005F

RGBrgb(245, 0, 95)

RGB (0–1)0.9608, 0, 0.3725

RGB percentages96.1%, 0%, 37.3%

HSLhsl(336.7, 100%, 48%)

HSV / HSBhsv(336.7, 100%, 96.1%)

CMYK0%, 100%, 61.2%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,056,415

CSS custom property--colour: #F5005F;

Brightness & contrast

Relative luminance0.20239WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.05:1

Contrast with white4.16:1WCAG normal text: Fail

Contrast with black5.05:1WCAG normal text: AA

Greyscale equivalent#3B3B3B

Inverted#0AFFA0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F6060no red cones; affects about 1% of men; ΔE 83.9 from the original

Deuteranopia#978C59no green cones; the most common form, about 1% of men; ΔE 84.5 from the original

Tritanopia#FF0038no blue cones; rare, and affects men and women equally; ΔE 25.3 from the original

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

Contrast with white, large text4.16:1WCAG large text: AA

Contrast with black, large text5.05:1WCAG large text: AAA

Named colours

Crimson · ΔE 17.4 Deep pink · ΔE 26.2 Firebrick · ΔE 32.8 Brown · ΔE 35.5 Indian red · ΔE 35.5 Tomato · ΔE 36.2

Nearest named CSS colourCrimson (#DC143C)ΔE 17.36, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00F596

Analogous#F500D9, #F51C00

Triadic#5FF500, #005FF5

Split complementary#00F51C, #00D9F5

Tetradic#DAF500, #00F596, #1C00F5

Tints, shades & saturation

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

Lighter +40%#FFC2DA

Lighter +30%#FF8FBA

Lighter +20%#FF5C9B

Lighter +10%#FF297C

Darker −10%#C2004B

Darker −20%#8F0037

Darker −30%#5C0024

Darker −40%#290010

More saturated +25%#F5005F

Less saturated −25%#D61F66

Channel breakdown

R245

B95

Red245 (96.1%)

Green0 (0%)

Blue95 (37.3%)

Hue336.73°

Saturation (HSL)100%

Lightness48.04%

Dominant channelRed

Hex per channelR F5 · G 00 · B 5F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F5005F (chemical formula)

Formula
95,103.988 g/mol
5006 atoms

F5005F has a molar mass of 95,103.988 g/mol, made up of 5006 atoms across 1 element: 5006 × F.

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Molar mass

Molar mass95,103.988 g/mol

Total atoms per molecule5006

Distinct elements1

Mass of one molecule1.5792389 × 10^-19 g

Molecules per gram6.3321643 × 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 × 5006)95,103.988 g/mol, 100%

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Elements in this formula

Fluorine

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