Recognised as Colour

#BB3022

#BB3022
Red
Dark
Nearest: Firebrick

#BB3022 is a red with RGB values 187, 48, 34 and HSL 5°, 69%, 43%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BB3022#BB3022

HEX#BB3022

RGBrgb(187, 48, 34)

RGB (0–1)0.7333, 0.1882, 0.1333

RGB percentages73.3%, 18.8%, 13.3%

HSLhsl(5.5, 69.2%, 43.3%)

HSV / HSBhsv(5.5, 81.8%, 73.3%)

CMYK0%, 74.3%, 81.8%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,267,554

CSS custom property--colour: #BB3022;

Brightness & contrast

Relative luminance0.12794WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.9:1

Contrast with white5.9:1WCAG normal text: AA

Contrast with black3.56:1WCAG normal text: Fail

Greyscale equivalent#4D4D4D

Inverted#44CFDD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B511Fno red cones; affects about 1% of men; ΔE 58.8 from the original

Deuteranopia#7D6F1Bno green cones; the most common form, about 1% of men; ΔE 58.8 from the original

Tritanopia#CE002Eno blue cones; rare, and affects men and women equally; ΔE 15.4 from the original

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

Contrast with white, large text5.9:1WCAG large text: AAA

Contrast with black, large text3.56:1WCAG large text: AA

Named colours

Firebrick · ΔE 5.4 Brown · ΔE 12.9 Dark red · ΔE 14.7 Maroon · ΔE 18.4 Crimson · ΔE 19 Tomato · ΔE 20.7

Nearest named CSS colourFirebrick (#B22222)ΔE 5.37, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22ADBB

Analogous#BB2260, #BB7D22

Triadic#22BB30, #3022BB

Split complementary#22BB7D, #2260BB

Tetradic#60BB22, #22ADBB, #7D22BB

Tints, shades & saturation

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

Lighter +40%#F2BCB7

Lighter +30%#EA958C

Lighter +20%#E26D61

Lighter +10%#DA4536

Darker −10%#90251A

Darker −20%#651A12

Darker −30%#3A0F0A

Darker −40%#0E0403

More saturated +25%#D71906

Less saturated −25%#9F473E

Channel breakdown

R187

G48

B34

Red187 (73.3%)

Green48 (18.8%)

Blue34 (13.3%)

Hue5.49°

Saturation (HSL)69.23%

Lightness43.33%

Dominant channelRed

Hex per channelR BB · G 30 · B 22

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB3022 (chemical formula)

Formula
32,678.63 g/mol
3023 atoms

BB3022 has a molar mass of 32,678.63 g/mol, made up of 3023 atoms across 1 element: 3023 × B.

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Molar mass

Molar mass32,678.63 g/mol

Total atoms per molecule3023

Distinct elements1

Mass of one molecule5.4264142 × 10^-20 g

Molecules per gram1.8428376 × 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

B100%

Boron (B × 3023)32,678.63 g/mol, 100%

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Elements in this formula

Boron

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