Recognised as Colour

#BB5041

#BB5041
Red
Dark
Nearest: Indian red

#BB5041 is a red with RGB values 187, 80, 65 and HSL 7°, 48%, 49%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#BB5041#BB5041

HEX#BB5041

RGBrgb(187, 80, 65)

RGB (0–1)0.7333, 0.3137, 0.2549

RGB percentages73.3%, 31.4%, 25.5%

HSLhsl(7.4, 48.4%, 49.4%)

HSV / HSBhsv(7.4, 65.2%, 73.3%)

CMYK0%, 57.2%, 65.2%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,275,777

CSS custom property--colour: #BB5041;

Brightness & contrast

Relative luminance0.16684WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.84:1

Contrast with white4.84:1WCAG normal text: AA

Contrast with black4.34:1WCAG normal text: Fail

Greyscale equivalent#666666

Inverted#44AFBE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C633Fno red cones; affects about 1% of men; ΔE 45.5 from the original

Deuteranopia#867A3Eno green cones; the most common form, about 1% of men; ΔE 46.2 from the original

Tritanopia#CD3B4Dno blue cones; rare, and affects men and women equally; ΔE 17.1 from the original

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

Contrast with white, large text4.84:1WCAG large text: AAA

Contrast with black, large text4.34:1WCAG large text: AA

Named colours

Indian red · ΔE 10.2 Brown · ΔE 12.8 Sienna · ΔE 14.5 Firebrick · ΔE 17.9 Salmon · ΔE 19.7 Light coral · ΔE 21.2

Nearest named CSS colourIndian red (#CD5C5C)ΔE 10.17, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#41ACBB

Analogous#BB416F, #BB8D41

Triadic#41BB50, #5041BB

Split complementary#41BB8D, #416FBB

Tetradic#6FBB41, #41ACBB, #8D41BB

Tints, shades & saturation

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

Lighter +40%#F1DAD7

Lighter +30%#E4B7B1

Lighter +20%#D7958B

Lighter +10%#CA7265

Darker −10%#954034

Darker −20%#6F3027

Darker −30%#491F1A

Darker −40%#240F0C

More saturated +25%#DA3822

Less saturated −25%#9B6861

Channel breakdown

R187

G80

B65

Red187 (73.3%)

Green80 (31.4%)

Blue65 (25.5%)

Hue7.38°

Saturation (HSL)48.41%

Lightness49.41%

Dominant channelRed

Hex per channelR BB · G 50 · B 41

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB5041 (chemical formula)

Formula
54,504.02 g/mol
5042 atoms

BB5041 has a molar mass of 54,504.02 g/mol, made up of 5042 atoms across 1 element: 5042 × B.

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Molar mass

Molar mass54,504.02 g/mol

Total atoms per molecule5042

Distinct elements1

Mass of one molecule9.0506055 × 10^-20 g

Molecules per gram1.1048985 × 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 × 5042)54,504.02 g/mol, 100%

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Elements in this formula

Boron

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