Recognised as Colour

#F91577

#F91577
Red
Dark
Nearest: Deep pink

#F91577 is a red with RGB values 249, 21, 119 and HSL 334°, 95%, 53%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Deep pink.

Colour values

#F91577#F91577

HEX#F91577

RGBrgb(249, 21, 119)

RGB (0–1)0.9765, 0.0824, 0.4667

RGB percentages97.6%, 8.2%, 46.7%

HSLhsl(334.2, 95%, 52.9%)

HSV / HSBhsv(334.2, 91.6%, 97.6%)

CMYK0%, 91.6%, 52.2%, 2.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,323,959

CSS custom property--colour: #F91577;

Brightness & contrast

Relative luminance0.22008WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.4:1

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

Contrast with black5.4:1WCAG normal text: AA

Greyscale equivalent#4D4D4D

Inverted#06EA88

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F6679no red cones; affects about 1% of men; ΔE 82.3 from the original

Deuteranopia#989072no green cones; the most common form, about 1% of men; ΔE 83.7 from the original

Tritanopia#FF0049no blue cones; rare, and affects men and women equally; ΔE 27.5 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 text5.4:1WCAG large text: AAA

Named colours

Deep pink · ΔE 14.4 Medium violet red · ΔE 27 Hot pink · ΔE 27.6 Crimson · ΔE 28.3 Pale violetred · ΔE 36.8 Indian red · ΔE 38.7

Nearest named CSS colourDeep pink (#FF1493)ΔE 14.41, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#15F997

Analogous#F915E9, #F92515

Triadic#77F915, #1577F9

Split complementary#15F925, #15E9F9

Tetradic#E9F915, #15F997, #2515F9

Tints, shades & saturation

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

Lighter +40%#FEDCEB

Lighter +30%#FDAACE

Lighter +20%#FC78B1

Lighter +10%#FA4794

Darker −10%#D6055F

Darker −20%#A40449

Darker −30%#720333

Darker −40%#40021D

More saturated +25%#FF0F76

Less saturated −25%#DB337B

Channel breakdown

R249

G21

B119

Red249 (97.6%)

Green21 (8.2%)

Blue119 (46.7%)

Hue334.21°

Saturation (HSL)95%

Lightness52.94%

Dominant channelRed

Hex per channelR F9 · G 15 · B 77

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F91577 (chemical formula)

Formula
1,739,779.846 g/mol
91577 atoms

F91577 has a molar mass of 1,739,779.846 g/mol, made up of 91577 atoms across 1 element: 91577 × F.

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Molar mass

Molar mass1,739,779.846 g/mol

Total atoms per molecule91577

Distinct elements1

Mass of one molecule2.8889724 × 10^-18 g

Molecules per gram3.4614384 × 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 × 91577)1,739,779.846 g/mol, 100%

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Elements in this formula

Fluorine

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