Recognised as Colour

#B90040

#B90040
Red
Dark
Nearest: Crimson

#B90040 is a red with RGB values 185, 0, 64 and HSL 339°, 100%, 36%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#B90040#B90040

HEX#B90040

RGBrgb(185, 0, 64)

RGB (0–1)0.7255, 0, 0.251

RGB percentages72.5%, 0%, 25.1%

HSLhsl(339.2, 100%, 36.3%)

HSV / HSBhsv(339.2, 100%, 72.5%)

CMYK0%, 100%, 65.4%, 27.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,124,224

CSS custom property--colour: #B90040;

Brightness & contrast

Relative luminance0.10684WCAG 2.x, 0 is black and 1 is white

Perceived brightness103.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.69:1

Contrast with white6.69:1WCAG normal text: AA

Contrast with black3.14:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#46FFBF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#474640no red cones; affects about 1% of men; ΔE 68.1 from the original

Deuteranopia#71683Bno green cones; the most common form, about 1% of men; ΔE 68.5 from the original

Tritanopia#CB0024no blue cones; rare, and affects men and women equally; ΔE 22.5 from the original

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

Contrast with white, large text6.69:1WCAG large text: AAA

Contrast with black, large text3.14:1WCAG large text: AA

Named colours

Crimson · ΔE 17.3 Brown · ΔE 18.6 Firebrick · ΔE 20 Indian red · ΔE 24.6 Dark red · ΔE 27.9 Maroon · ΔE 28.3

Nearest named CSS colourCrimson (#DC143C)ΔE 17.27, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B979

Analogous#B9009D, #B91C00

Triadic#40B900, #0040B9

Split complementary#00B91C, #009DB9

Tetradic#9DB900, #00B979, #1C00B9

Tints, shades & saturation

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

Lighter +40%#FF86B0

Lighter +30%#FF538F

Lighter +20%#FF206D

Lighter +10%#EC0052

Darker −10%#86002E

Darker −20%#53001D

Darker −30%#20000B

Darker −40%#000000

More saturated +25%#B90040

Less saturated −25%#A21747

Channel breakdown

R185

B64

Red185 (72.5%)

Green0 (0%)

Blue64 (25.1%)

Hue339.24°

Saturation (HSL)100%

Lightness36.27%

Dominant channelRed

Hex per channelR B9 · G 00 · B 40

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B90040 (chemical formula)

Formula
973,332.4 g/mol
90040 atoms

B90040 has a molar mass of 973,332.4 g/mol, made up of 90040 atoms across 1 element: 90040 × B.

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Molar mass

Molar mass973,332.4 g/mol

Total atoms per molecule90040

Distinct elements1

Mass of one molecule1.6162565 × 10^-18 g

Molecules per gram6.1871369 × 10^17

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 × 90040)973,332.4 g/mol, 100%

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Elements in this formula

Boron

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