Recognised as Colour

#F63B83

#F63B83
Red
Dark
Nearest: Deep pink

#F63B83 is a red with RGB values 246, 59, 131 and HSL 337°, 91%, 60%. 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

#F63B83#F63B83

HEX#F63B83

RGBrgb(246, 59, 131)

RGB (0–1)0.9647, 0.2314, 0.5137

RGB percentages96.5%, 23.1%, 51.4%

HSLhsl(336.9, 91.2%, 59.8%)

HSV / HSBhsv(336.9, 76%, 96.5%)

CMYK0%, 76%, 46.7%, 3.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,137,091

CSS custom property--colour: #F63B83;

Brightness & contrast

Relative luminance0.24359WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.87:1

Contrast with white3.58:1WCAG normal text: Fail

Contrast with black5.87:1WCAG normal text: AA

Greyscale equivalent#686868

Inverted#09C47C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#697085no red cones; affects about 1% of men; ΔE 73.8 from the original

Deuteranopia#9A947Fno green cones; the most common form, about 1% of men; ΔE 75.5 from the original

Tritanopia#FF065Bno blue cones; rare, and affects men and women equally; ΔE 22.8 from the original

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

Contrast with white, large text3.58:1WCAG large text: AA

Contrast with black, large text5.87:1WCAG large text: AAA

Named colours

Deep pink · ΔE 14.9 Hot pink · ΔE 19.8 Medium violet red · ΔE 22.9 Pale violetred · ΔE 28.6 Crimson · ΔE 30.9 Indian red · ΔE 33.9

Nearest named CSS colourDeep pink (#FF1493)ΔE 14.89, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3BF6AE

Analogous#F63BE1, #F6503B

Triadic#83F63B, #3B83F6

Split complementary#3BF650, #3BE1F6

Tetradic#E1F63B, #3BF6AE, #503BF6

Tints, shades & saturation

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

Lighter +40%#FFFEFE

Lighter +30%#FDCDE0

Lighter +20%#FA9DC1

Lighter +10%#F86CA2

Darker −10%#F30B64

Darker −20%#C20950

Darker −30%#91073C

Darker −40%#610428

More saturated +25%#FF3281

Less saturated −25%#DC5589

Channel breakdown

R246

G59

B131

Red246 (96.5%)

Green59 (23.1%)

Blue131 (51.4%)

Hue336.9°

Saturation (HSL)91.22%

Lightness59.8%

Dominant channelRed

Hex per channelR F6 · G 3B · B 83

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F63B83 (chemical formula)

Formula
2,094.104 g/mol
146 atoms

F63B83 has a molar mass of 2,094.104 g/mol, made up of 146 atoms across 2 elements: 63 × F, 83 × B.

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Molar mass

Molar mass2,094.104 g/mol

Total atoms per molecule146

Distinct elements2

Mass of one molecule3.4773415 × 10^-21 g

Molecules per gram2.8757601 × 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

F57.2%

B42.8%

Fluorine (F × 63)1,196.874 g/mol, 57.154%

Boron (B × 83)897.23 g/mol, 42.846%

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