Recognised as Colour

#C90447

#C90447
Red
Dark
Nearest: Crimson

#C90447 is a red with RGB values 201, 4, 71 and HSL 340°, 96%, 40%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C90447#C90447

HEX#C90447

RGBrgb(201, 4, 71)

RGB (0–1)0.7882, 0.0157, 0.2784

RGB percentages78.8%, 1.6%, 27.8%

HSLhsl(339.6, 96.1%, 40.2%)

HSV / HSBhsv(339.6, 98%, 78.8%)

CMYK0%, 98%, 64.7%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,173,831

CSS custom property--colour: #C90447;

Brightness & contrast

Relative luminance0.12959WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.85:1

Contrast with white5.85:1WCAG normal text: AA

Contrast with black3.59:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#36FBB8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F4D48no red cones; affects about 1% of men; ΔE 71.5 from the original

Deuteranopia#7C7242no green cones; the most common form, about 1% of men; ΔE 72.4 from the original

Tritanopia#DD002Ano blue cones; rare, and affects men and women equally; ΔE 23.4 from the original

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

Contrast with white, large text5.85:1WCAG large text: AAA

Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Crimson · ΔE 13.9 Firebrick · ΔE 21.5 Brown · ΔE 21.9 Indian red · ΔE 26 Dark red · ΔE 30.8 Maroon · ΔE 31.9

Nearest named CSS colourCrimson (#DC143C)ΔE 13.92, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04C986

Analogous#C904AA, #C92304

Triadic#47C904, #0447C9

Split complementary#04C924, #04AAC9

Tetradic#AAC904, #04C986, #2304C9

Tints, shades & saturation

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

Lighter +40%#FD9CBD

Lighter +30%#FC6A9C

Lighter +20%#FB387A

Lighter +10%#FA0659

Darker −10%#970335

Darker −20%#650224

Darker −30%#330112

Darker −40%#010000

More saturated +25%#CD0046

Less saturated −25%#AF1E4F

Channel breakdown

R201

B71

Red201 (78.8%)

Green4 (1.6%)

Blue71 (27.8%)

Hue339.59°

Saturation (HSL)96.1%

Lightness40.2%

Dominant channelRed

Hex per channelR C9 · G 04 · B 47

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C90447 (chemical formula)

Formula
1,086,358.917 g/mol
90447 atoms

C90447 has a molar mass of 1,086,358.917 g/mol, made up of 90447 atoms across 1 element: 90447 × C.

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Molar mass

Molar mass1,086,358.917 g/mol

Total atoms per molecule90447

Distinct elements1

Mass of one molecule1.8039414 × 10^-18 g

Molecules per gram5.5434172 × 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

C100%

Carbon (C × 90447)1,086,358.917 g/mol, 100%

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Elements in this formula

Carbon

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