Recognised as Colour

#FF1574

#FF1574
Red
Dark
Nearest: Deep pink

#FF1574 is a red with RGB values 255, 21, 116 and HSL 336°, 100%, 54%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Deep pink.

Colour values

#FF1574#FF1574

HEX#FF1574

RGBrgb(255, 21, 116)

RGB (0–1)1, 0.0824, 0.4549

RGB percentages100%, 8.2%, 45.5%

HSLhsl(335.6, 100%, 54.1%)

HSV / HSBhsv(335.6, 91.8%, 100%)

CMYK0%, 91.8%, 54.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,717,172

CSS custom property--colour: #FF1574;

Brightness & contrast

Relative luminance0.23057WCAG 2.x, 0 is black and 1 is white

Perceived brightness145.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.61:1

Contrast with white3.74:1WCAG normal text: Fail

Contrast with black5.61:1WCAG normal text: AA

Greyscale equivalent#4E4E4E

Inverted#00EA8B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#636875no red cones; affects about 1% of men; ΔE 84.2 from the original

Deuteranopia#9C936Fno green cones; the most common form, about 1% of men; ΔE 85.3 from the original

Tritanopia#FF0047no blue cones; rare, and affects men and women equally; ΔE 25.1 from the original

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

Contrast with white, large text3.74:1WCAG large text: AA

Contrast with black, large text5.61:1WCAG large text: AAA

Named colours

Deep pink · ΔE 17.5 Crimson · ΔE 25.9 Hot pink · ΔE 30.4 Medium violet red · ΔE 30.8 Pale violetred · ΔE 38.6 Indian red · ΔE 38.8

Nearest named CSS colourDeep pink (#FF1493)ΔE 17.53, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#15FFA0

Analogous#FF15E9, #FF2B15

Triadic#74FF15, #1574FF

Split complementary#15FF2B, #15E9FF

Tetradic#E9FF15, #15FFA0, #2B15FF

Tints, shades & saturation

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

Lighter +40%#FFE1ED

Lighter +30%#FFAECF

Lighter +20%#FF7BB1

Lighter +10%#FF4892

Darker −10%#E1005B

Darker −20%#AE0047

Darker −30%#7B0032

Darker −40%#48001D

More saturated +25%#FF1574

Less saturated −25%#E2327A

Channel breakdown

R255

G21

B116

Red255 (100%)

Green21 (8.2%)

Blue116 (45.5%)

Hue335.64°

Saturation (HSL)100%

Lightness54.12%

Dominant channelRed

Hex per channelR FF · G 15 · B 74

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF1574 (chemical formula)

Formula
29,921.85 g/mol
1575 atoms

FF1574 has a molar mass of 29,921.85 g/mol, made up of 1575 atoms across 1 element: 1575 × F.

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Molar mass

Molar mass29,921.85 g/mol

Total atoms per molecule1575

Distinct elements1

Mass of one molecule4.9686401 × 10^-20 g

Molecules per gram2.0126231 × 10^19

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 × 1575)29,921.85 g/mol, 100%

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Elements in this formula

Fluorine

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