Recognised as Colour

#BA2209

#BA2209
Red
Dark
Nearest: Firebrick

#BA2209 is a red with RGB values 186, 34, 9 and HSL 8°, 91%, 38%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BA2209#BA2209

HEX#BA2209

RGBrgb(186, 34, 9)

RGB (0–1)0.7294, 0.1333, 0.0353

RGB percentages72.9%, 13.3%, 3.5%

HSLhsl(8.5, 90.8%, 38.2%)

HSV / HSBhsv(8.5, 95.2%, 72.9%)

CMYK0%, 81.7%, 95.2%, 27.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,198,409

CSS custom property--colour: #BA2209;

Brightness & contrast

Relative luminance0.11603WCAG 2.x, 0 is black and 1 is white

Perceived brightness105 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.32:1

Contrast with white6.32:1WCAG normal text: AA

Contrast with black3.32:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#45DDF6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#554A01no red cones; affects about 1% of men; ΔE 62.6 from the original

Deuteranopia#7A6B00no green cones; the most common form, about 1% of men; ΔE 62.1 from the original

Tritanopia#CE0020no blue cones; rare, and affects men and women equally; ΔE 12.7 from the original

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

Contrast with white, large text6.32:1WCAG large text: AAA

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

Named colours

Firebrick · ΔE 13.3 Dark red · ΔE 17 Maroon · ΔE 21.9 Brown · ΔE 21.9 Tomato · ΔE 22 Crimson · ΔE 22.5

Nearest named CSS colourFirebrick (#B22222)ΔE 13.27, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#09A1BA

Analogous#BA0949, #BA7A09

Triadic#09BA22, #2209BA

Split complementary#09BA7A, #0949BA

Tetradic#49BA09, #09A1BA, #7A09BA

Tints, shades & saturation

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

Lighter +40%#FAA395

Lighter +30%#F87964

Lighter +20%#F54F34

Lighter +10%#EB2B0B

Darker −10%#891907

Darker −20%#591004

Darker −30%#280702

Darker −40%#000000

More saturated +25%#C31C00

Less saturated −25%#A23321

Channel breakdown

R186

G34

Red186 (72.9%)

Green34 (13.3%)

Blue9 (3.5%)

Hue8.47°

Saturation (HSL)90.77%

Lightness38.24%

Dominant channelRed

Hex per channelR BA · G 22 · B 09

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ba2209 (chemical formula)

Formula
303,361.97 g/mol
2209 atoms

Ba2209 has a molar mass of 303,361.97 g/mol, made up of 2209 atoms across 1 element: 2209 × Ba.

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Molar mass

Molar mass303,361.97 g/mol

Total atoms per molecule2209

Distinct elements1

Mass of one molecule5.037444 × 10^-19 g

Molecules per gram1.9851337 × 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

Ba100%

Barium (Ba × 2209)303,361.97 g/mol, 100%

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Elements in this formula

Barium

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