Recognised as Colour

#FF4378

#FF4378
Red
Dark
Nearest: Crimson

#FF4378 is a red with RGB values 255, 67, 120 and HSL 343°, 100%, 63%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF4378#FF4378

HEX#FF4378

RGBrgb(255, 67, 120)

RGB (0–1)1, 0.2627, 0.4706

RGB percentages100%, 26.3%, 47.1%

HSLhsl(343.1, 100%, 63.1%)

HSV / HSBhsv(343.1, 73.7%, 100%)

CMYK0%, 73.7%, 52.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,728,952

CSS custom property--colour: #FF4378;

Brightness & contrast

Relative luminance0.2663WCAG 2.x, 0 is black and 1 is white

Perceived brightness154 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.33:1

Contrast with white3.32:1WCAG normal text: Fail

Contrast with black6.33:1WCAG normal text: AA

Greyscale equivalent#6F6F6F

Inverted#00BC87

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#737579no red cones; affects about 1% of men; ΔE 75.1 from the original

Deuteranopia#A49B73no green cones; the most common form, about 1% of men; ΔE 76.4 from the original

Tritanopia#FF0559no blue cones; rare, and affects men and women equally; ΔE 16.1 from the original

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

Contrast with white, large text3.32:1WCAG large text: AA

Contrast with black, large text6.33:1WCAG large text: AAA

Named colours

Crimson · ΔE 22.7 Deep pink · ΔE 23.3 Hot pink · ΔE 27.1 Indian red · ΔE 29.4 Pale violetred · ΔE 30.5 Light coral · ΔE 31.3

Nearest named CSS colourCrimson (#DC143C)ΔE 22.72, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#43FFCA

Analogous#FF43D6, #FF6C43

Triadic#78FF43, #4378FF

Split complementary#43FF6C, #43D6FF

Tetradic#D6FF43, #43FFCA, #6C43FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFDCE6

Lighter +20%#FFA9C1

Lighter +10%#FF769D

Darker −10%#FF1053

Darker −20%#DC003E

Darker −30%#A90030

Darker −40%#760021

More saturated +25%#FF4378

Less saturated −25%#E85A82

Channel breakdown

R255

G67

B120

Red255 (100%)

Green67 (26.3%)

Blue120 (47.1%)

Hue343.09°

Saturation (HSL)100%

Lightness63.14%

Dominant channelRed

Hex per channelR FF · G 43 · B 78

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF4378 (chemical formula)

Formula
83,192.242 g/mol
4379 atoms

FF4378 has a molar mass of 83,192.242 g/mol, made up of 4379 atoms across 1 element: 4379 × F.

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Molar mass

Molar mass83,192.242 g/mol

Total atoms per molecule4379

Distinct elements1

Mass of one molecule1.3814397 × 10^-19 g

Molecules per gram7.2388249 × 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%

Fluorine (F × 4379)83,192.242 g/mol, 100%

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Elements in this formula

Fluorine

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