Recognised as Colour

#BF2333

#BF2333
Red
Dark
Nearest: Firebrick

#BF2333 is a red with RGB values 191, 35, 51 and HSL 354°, 69%, 44%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BF2333#BF2333

HEX#BF2333

RGBrgb(191, 35, 51)

RGB (0–1)0.749, 0.1373, 0.2

RGB percentages74.9%, 13.7%, 20%

HSLhsl(353.8, 69%, 44.3%)

HSV / HSBhsv(353.8, 81.7%, 74.9%)

CMYK0%, 81.7%, 73.3%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,526,387

CSS custom property--colour: #BF2333;

Brightness & contrast

Relative luminance0.12517WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.99:1

Contrast with white5.99:1WCAG normal text: AA

Contrast with black3.5:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#40DCCC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#554E32no red cones; affects about 1% of men; ΔE 64 from the original

Deuteranopia#7B6F2Dno green cones; the most common form, about 1% of men; ΔE 64.5 from the original

Tritanopia#D2002Bno blue cones; rare, and affects men and women equally; ΔE 12.9 from the original

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

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

Contrast with black, large text3.5:1WCAG large text: AA

Named colours

Firebrick · ΔE 7.8 Brown · ΔE 11.3 Crimson · ΔE 12.2 Dark red · ΔE 19.2 Indian red · ΔE 21.2 Maroon · ΔE 21.4

Nearest named CSS colourFirebrick (#B22222)ΔE 7.82, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#23BFAF

Analogous#BF2381, #BF6123

Triadic#33BF23, #2333BF

Split complementary#23BF61, #2381BF

Tetradic#81BF23, #23BFAF, #6123BF

Tints, shades & saturation

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

Lighter +40%#F3BBC1

Lighter +30%#EB909A

Lighter +20%#E36572

Lighter +10%#DB3A4B

Darker −10%#941B27

Darker −20%#69131C

Darker −30%#3E0B10

Darker −40%#130305

More saturated +25%#DB071D

Less saturated −25%#A33F49

Channel breakdown

R191

G35

B51

Red191 (74.9%)

Green35 (13.7%)

Blue51 (20%)

Hue353.85°

Saturation (HSL)69.03%

Lightness44.31%

Dominant channelRed

Hex per channelR BF · G 23 · B 33

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BF2333 (chemical formula)

Formula
44,333.144 g/mol
2334 atoms

BF2333 has a molar mass of 44,333.144 g/mol, made up of 2334 atoms across 2 elements: 1 × B, 2333 × F.

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Molar mass

Molar mass44,333.144 g/mol

Total atoms per molecule2334

Distinct elements2

Mass of one molecule7.3616918 × 10^-20 g

Molecules per gram1.3583834 × 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

B0%

F100%

Boron (B)10.81 g/mol, 0.024%

Fluorine (F × 2333)44,322.334 g/mol, 99.976%

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