Recognised as Colour

#FF278F

#FF278F
Red
Dark
Nearest: Deep pink

#FF278F is a red with RGB values 255, 39, 143 and HSL 331°, 100%, 58%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Deep pink.

Colour values

#FF278F#FF278F

HEX#FF278F

RGBrgb(255, 39, 143)

RGB (0–1)1, 0.1529, 0.5608

RGB percentages100%, 15.3%, 56.1%

HSLhsl(331.1, 100%, 57.6%)

HSV / HSBhsv(331.1, 84.7%, 100%)

CMYK0%, 84.7%, 43.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,721,807

CSS custom property--colour: #FF278F;

Brightness & contrast

Relative luminance0.24694WCAG 2.x, 0 is black and 1 is white

Perceived brightness150.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.94:1

Contrast with white3.54:1WCAG normal text: Fail

Contrast with black5.94:1WCAG normal text: AA

Greyscale equivalent#5C5C5C

Inverted#00D870

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#606F91no red cones; affects about 1% of men; ΔE 81.2 from the original

Deuteranopia#9A968Ano green cones; the most common form, about 1% of men; ΔE 82.8 from the original

Tritanopia#FF005Ano blue cones; rare, and affects men and women equally; ΔE 28.1 from the original

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

Contrast with white, large text3.54:1WCAG large text: AA

Contrast with black, large text5.94:1WCAG large text: AAA

Named colours

Deep pink · ΔE 4.8 Medium violet red · ΔE 20.6 Hot pink · ΔE 21.1 Pale violetred · ΔE 36.2 Crimson · ΔE 38.5 Orchid · ΔE 42

Nearest named CSS colourDeep pink (#FF1493)ΔE 4.79, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27FF97

Analogous#FF27FB, #FF2B27

Triadic#8FFF27, #278FFF

Split complementary#27FF2B, #27FBFF

Tetradic#FBFF27, #27FF97, #2B27FF

Tints, shades & saturation

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

Lighter +40%#FFF3F9

Lighter +30%#FFC0DE

Lighter +20%#FF8DC4

Lighter +10%#FF5AA9

Darker −10%#F30075

Darker −20%#C0005C

Darker −30%#8D0044

Darker −40%#5A002B

More saturated +25%#FF278F

Less saturated −25%#E44290

Channel breakdown

R255

G39

B143

Red255 (100%)

Green39 (15.3%)

Blue143 (56.1%)

Hue331.11°

Saturation (HSL)100%

Lightness57.65%

Dominant channelRed

Hex per channelR FF · G 27 · B 8F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF278F (chemical formula)

Formula
5,319.44 g/mol
280 atoms

FF278F has a molar mass of 5,319.44 g/mol, made up of 280 atoms across 1 element: 280 × F.

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Molar mass

Molar mass5,319.44 g/mol

Total atoms per molecule280

Distinct elements1

Mass of one molecule8.8331379 × 10^-21 g

Molecules per gram1.1321005 × 10^20

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 × 280)5,319.44 g/mol, 100%

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Elements in this formula

Fluorine

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