Recognised as Colour

#F5495B

#F5495B
Red
Dark
Nearest: Crimson

#F5495B is a red with RGB values 245, 73, 91 and HSL 354°, 90%, 62%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F5495B#F5495B

HEX#F5495B

RGBrgb(245, 73, 91)

RGB (0–1)0.9608, 0.2863, 0.3569

RGB percentages96.1%, 28.6%, 35.7%

HSLhsl(353.7, 89.6%, 62.4%)

HSV / HSBhsv(353.7, 70.2%, 96.1%)

CMYK0%, 70.2%, 62.9%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,075,099

CSS custom property--colour: #F5495B;

Brightness & contrast

Relative luminance0.24933WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.99:1

Contrast with white3.51:1WCAG normal text: Fail

Contrast with black5.99:1WCAG normal text: AA

Greyscale equivalent#6F6F6F

Inverted#0AB6A4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#78725Ano red cones; affects about 1% of men; ΔE 69.9 from the original

Deuteranopia#A49656no green cones; the most common form, about 1% of men; ΔE 70.2 from the original

Tritanopia#FF1251no blue cones; rare, and affects men and women equally; ΔE 15.1 from the original

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

Contrast with white, large text3.51:1WCAG large text: AA

Contrast with black, large text5.99:1WCAG large text: AAA

Named colours

Crimson · ΔE 12.2 Tomato · ΔE 20.2 Firebrick · ΔE 22.4 Indian red · ΔE 22.4 Salmon · ΔE 23.1 Brown · ΔE 25.4

Nearest named CSS colourCrimson (#DC143C)ΔE 12.2, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#49F5E3

Analogous#F549B1, #F58D49

Triadic#5BF549, #495BF5

Split complementary#49F58D, #49B1F5

Tetradic#B1F549, #49F5E3, #8D49F5

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FDDADE

Lighter +20%#FAAAB2

Lighter +10%#F87987

Darker −10%#F2192F

Darker −20%#CD0B1F

Darker −30%#9C0918

Darker −40%#6C0611

More saturated +25%#FF3F53

Less saturated −25%#DD616E

Channel breakdown

R245

G73

B91

Red245 (96.1%)

Green73 (28.6%)

Blue91 (35.7%)

Hue353.72°

Saturation (HSL)89.58%

Lightness62.35%

Dominant channelRed

Hex per channelR F5 · G 49 · B 5B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F5495B (chemical formula)

Formula
104,404.82 g/mol
5496 atoms

F5495B has a molar mass of 104,404.82 g/mol, made up of 5496 atoms across 2 elements: 5495 × F, 1 × B.

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Molar mass

Molar mass104,404.82 g/mol

Total atoms per molecule5496

Distinct elements2

Mass of one molecule1.7336828 × 10^-19 g

Molecules per gram5.7680678 × 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%

B0%

Fluorine (F × 5495)104,394.01 g/mol, 99.99%

Boron (B)10.81 g/mol, 0.01%

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