Recognised as Colour

#FB3876

#FB3876
Red
Dark
Nearest: Deep pink

#FB3876 is a red with RGB values 251, 56, 118 and HSL 341°, 96%, 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

#FB3876#FB3876

HEX#FB3876

RGBrgb(251, 56, 118)

RGB (0–1)0.9843, 0.2196, 0.4627

RGB percentages98.4%, 22%, 46.3%

HSLhsl(340.9, 96.1%, 60.2%)

HSV / HSBhsv(340.9, 77.7%, 98.4%)

CMYK0%, 77.7%, 53%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,463,990

CSS custom property--colour: #FB3876;

Brightness & contrast

Relative luminance0.24646WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.93:1

Contrast with white3.54:1WCAG normal text: Fail

Contrast with black5.93:1WCAG normal text: AA

Greyscale equivalent#666666

Inverted#04C789

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C6F77no red cones; affects about 1% of men; ΔE 76.7 from the original

Deuteranopia#9F9671no green cones; the most common form, about 1% of men; ΔE 78 from the original

Tritanopia#FF0053no blue cones; rare, and affects men and women equally; ΔE 18.9 from the original

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

Contrast with white, large text3.54:1WCAG large text: AA

Contrast with black, large text5.93:1WCAG large text: AAA

Named colours

Deep pink · ΔE 20.8 Crimson · ΔE 23.5 Hot pink · ΔE 26.9 Medium violet red · ΔE 30.4 Indian red · ΔE 31.5 Pale violetred · ΔE 31.8

Nearest named CSS colourDeep pink (#FF1493)ΔE 20.79, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#38FBBD

Analogous#FB38D8, #FB5B38

Triadic#76FB38, #3876FB

Split complementary#38FB5B, #38D8FB

Tetradic#D8FB38, #38FBBD, #5B38FB

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FECEDD

Lighter +20%#FD9CBB

Lighter +10%#FC6A98

Darker −10%#FA0654

Darker −20%#C90443

Darker −30%#970332

Darker −40%#650221

More saturated +25%#FF3475

Less saturated −25%#E2517F

Channel breakdown

R251

G56

B118

Red251 (98.4%)

Green56 (22%)

Blue118 (46.3%)

Hue340.92°

Saturation (HSL)96.06%

Lightness60.2%

Dominant channelRed

Hex per channelR FB · G 38 · B 76

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FB3876 (chemical formula)

Formula
41,918.558 g/mol
3877 atoms

FB3876 has a molar mass of 41,918.558 g/mol, made up of 3877 atoms across 2 elements: 1 × F, 3876 × B.

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Molar mass

Molar mass41,918.558 g/mol

Total atoms per molecule3877

Distinct elements2

Mass of one molecule6.9607403 × 10^-20 g

Molecules per gram1.4366288 × 10^19

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

F0%

B100%

Fluorine (F)18.998 g/mol, 0.045%

Boron (B × 3876)41,899.56 g/mol, 99.955%

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