Recognised as Colour

#FF2B78

#FF2B78
Red
Dark
Nearest: Deep pink

#FF2B78 is a red with RGB values 255, 43, 120 and HSL 338°, 100%, 58%. 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

#FF2B78#FF2B78

HEX#FF2B78

RGBrgb(255, 43, 120)

RGB (0–1)1, 0.1686, 0.4706

RGB percentages100%, 16.9%, 47.1%

HSLhsl(338.2, 100%, 58.4%)

HSV / HSBhsv(338.2, 83.1%, 100%)

CMYK0%, 83.1%, 52.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,722,808

CSS custom property--colour: #FF2B78;

Brightness & contrast

Relative luminance0.24344WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.9 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#5E5E5E

Inverted#00D487

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#686D79no red cones; affects about 1% of men; ΔE 81 from the original

Deuteranopia#9F9673no green cones; the most common form, about 1% of men; ΔE 82 from the original

Tritanopia#FF004Fno blue cones; rare, and affects men and women equally; ΔE 21.4 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 17.7 Crimson · ΔE 25.7 Hot pink · ΔE 27.7 Medium violet red · ΔE 29.8 Pale violetred · ΔE 35.3 Indian red · ΔE 35.9

Nearest named CSS colourDeep pink (#FF1493)ΔE 17.7, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2BFFB2

Analogous#FF2BE2, #FF482B

Triadic#78FF2B, #2B78FF

Split complementary#2BFF48, #2BE2FF

Tetradic#E2FF2B, #2BFFB2, #482BFF

Tints, shades & saturation

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

Lighter +40%#FFF7FA

Lighter +30%#FFC4D9

Lighter +20%#FF91B9

Lighter +10%#FF5E98

Darker −10%#F7005A

Darker −20%#C40047

Darker −30%#910035

Darker −40%#5E0022

More saturated +25%#FF2B78

Less saturated −25%#E5467F

Channel breakdown

R255

G43

B120

Red255 (100%)

Green43 (16.9%)

Blue120 (47.1%)

Hue338.21°

Saturation (HSL)100%

Lightness58.43%

Dominant channelRed

Hex per channelR FF · G 2B · B 78

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF2B78 (chemical formula)

Formula
900.174 g/mol
81 atoms

FF2B78 has a molar mass of 900.174 g/mol, made up of 81 atoms across 2 elements: 3 × F, 78 × B.

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Molar mass

Molar mass900.174 g/mol

Total atoms per molecule81

Distinct elements2

Mass of one molecule1.4947741 × 10^-21 g

Molecules per gram6.6899741 × 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

F6.3%

B93.7%

Fluorine (F × 3)56.994 g/mol, 6.331%

Boron (B × 78)843.18 g/mol, 93.669%

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